TXB0108PWR Translator:Features, Applications and Datasheet

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Published: 23 October 2023 | Last Updated: 23 October 2023

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TXB0108PWR

TXB0108PWR

Texas Instruments

Surface Mount 20 pins Tape & Reel (TR) Voltage Translators & Level Shifters 1 Voltage Level 20-TSSOP (0.173, 4.40mm Width) Active 6 Weeks Weeks 1 (Unlimited)

Purchase Guide

Surface Mount 20 pins Tape & Reel (TR) Voltage Translators & Level Shifters 1 Voltage Level 20-TSSOP (0.173, 4.40mm Width) Active 6 Weeks Weeks 1 (Unlimited)

Texas Instruments TXB0108PWR is a voltage level translator that can convert signals between different voltage levels. This article will introduce its features, applications and datasheet.

TXB0108PWR Description

Texas Instruments TXB0108PWR is a voltage level translator that can convert signals between different voltage levels. It has 8-bit bidirectional capability, which means it can transfer data in both directions between two devices with different logic levels. It also has auto direction sensing feature, which means it can automatically detect the direction of data flow without any external control signals. It can support data rates up to 100 Mbps and has +/-15-kV ESD protection for high reliability. It comes in a TSSOP-20 package and operates in a temperature range of -40°C to +85°C.


TXB0108PWR Features

  • It is a voltage level translator that can convert signals between different voltage levels, such as 1.2 V, 1.8 V, 2.5 V, 3.3 V, and 5 V.

  • It has 8-bit bidirectional capability, which means it can transfer data in both directions between two devices with different logic levels.

  • It has auto direction sensing feature, which means it can automatically detect the direction of data flow without any external control signals.

  • It can support data rates up to 100 Mbps and has +/-15-kV ESD protection for high reliability.

  • It comes in a TSSOP-20 package and operates in a temperature range of -40°C to +85°C.

  • It is compatible with I2C, SMBus, PMBus, and other open-drain and push-pull applications.


Specifications

Texas Instruments TXB0108PWR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments TXB0108PWR.
  • Type
    Parameter
  • Lifecycle Status

    Lifecycle Status refers to the current stage of an electronic component in its product life cycle, indicating whether it is active, obsolete, or transitioning between these states. An active status means the component is in production and available for purchase. An obsolete status indicates that the component is no longer being manufactured or supported, and manufacturers typically provide a limited time frame for support. Understanding the lifecycle status is crucial for design engineers to ensure continuity and reliability in their projects.

    ACTIVE (Last Updated: 4 days ago)
  • Factory Lead Time
    6 Weeks
  • Contact Plating

    Contact plating (finish) provides corrosion protection for base metals and optimizes the mechanical and electrical properties of the contact interfaces.

    Gold
  • Mount

    In electronic components, the term "Mount" typically refers to the method or process of physically attaching or fixing a component onto a circuit board or other electronic device. This can involve soldering, adhesive bonding, or other techniques to secure the component in place. The mounting process is crucial for ensuring proper electrical connections and mechanical stability within the electronic system. Different components may have specific mounting requirements based on their size, shape, and function, and manufacturers provide guidelines for proper mounting procedures to ensure optimal performance and reliability of the electronic device.

    Surface Mount
  • Mounting Type

    The "Mounting Type" in electronic components refers to the method used to attach or connect a component to a circuit board or other substrate, such as through-hole, surface-mount, or panel mount.

    Surface Mount
  • Package / Case

    refers to the protective housing that encases an electronic component, providing mechanical support, electrical connections, and thermal management.

    20-TSSOP (0.173, 4.40mm Width)
  • Number of Pins
    20
  • Weight
    76.997305mg
  • Manufacturer Package Identifier

    The Manufacturer Package Identifier is a unique code or label assigned by the manufacturer to identify a specific package or housing style of an electronic component. This identifier helps in distinguishing between different package types of the same component, such as integrated circuits, transistors, or diodes. It typically includes information about the package dimensions, lead configuration, and other physical characteristics of the component. The Manufacturer Package Identifier is crucial for ensuring compatibility and proper assembly of electronic components in various devices and circuits.

    PW (R-PDSO-G**)
  • Operating Temperature

    The operating temperature is the range of ambient temperature within which a power supply, or any other electrical equipment, operate in. This ranges from a minimum operating temperature, to a peak or maximum operating temperature, outside which, the power supply may fail.

    -40°C~85°C TA
  • Packaging

    Semiconductor package is a carrier / shell used to contain and cover one or more semiconductor components or integrated circuits. The material of the shell can be metal, plastic, glass or ceramic.

    Tape & Reel (TR)
  • JESD-609 Code

    The "JESD-609 Code" in electronic components refers to a standardized marking code that indicates the lead-free solder composition and finish of electronic components for compliance with environmental regulations.

    e4
  • Pbfree Code

    The "Pbfree Code" parameter in electronic components refers to the code or marking used to indicate that the component is lead-free. Lead (Pb) is a toxic substance that has been widely used in electronic components for many years, but due to environmental concerns, there has been a shift towards lead-free alternatives. The Pbfree Code helps manufacturers and users easily identify components that do not contain lead, ensuring compliance with regulations and promoting environmentally friendly practices. It is important to pay attention to the Pbfree Code when selecting electronic components to ensure they meet the necessary requirements for lead-free applications.

    yes
  • Part Status

    Parts can have many statuses as they progress through the configuration, analysis, review, and approval stages.

    Active
  • Moisture Sensitivity Level (MSL)

    Moisture Sensitivity Level (MSL) is a standardized rating that indicates the susceptibility of electronic components, particularly semiconductors, to moisture-induced damage during storage and the soldering process, defining the allowable exposure time to ambient conditions before they require special handling or baking to prevent failures

    1 (Unlimited)
  • Number of Terminations
    20
  • Termination

    Termination in electronic components refers to the practice of matching the impedance of a circuit to prevent signal reflections and ensure maximum power transfer. It involves the use of resistors or other components at the end of transmission lines or connections. Proper termination is crucial in high-frequency applications to maintain signal integrity and reduce noise.

    SMD/SMT
  • ECCN Code

    An ECCN (Export Control Classification Number) is an alphanumeric code used by the U.S. Bureau of Industry and Security to identify and categorize electronic components and other dual-use items that may require an export license based on their technical characteristics and potential for military use.

    EAR99
  • Terminal Position

    In electronic components, the term "Terminal Position" refers to the physical location of the connection points on the component where external electrical connections can be made. These connection points, known as terminals, are typically used to attach wires, leads, or other components to the main body of the electronic component. The terminal position is important for ensuring proper connectivity and functionality of the component within a circuit. It is often specified in technical datasheets or component specifications to help designers and engineers understand how to properly integrate the component into their circuit designs.

    DUAL
  • Terminal Form

    Occurring at or forming the end of a series, succession, or the like; closing; concluding.

    GULL WING
  • Peak Reflow Temperature (Cel)

    Peak Reflow Temperature (Cel) is a parameter that specifies the maximum temperature at which an electronic component can be exposed during the reflow soldering process. Reflow soldering is a common method used to attach electronic components to a circuit board. The Peak Reflow Temperature is crucial because it ensures that the component is not damaged or degraded during the soldering process. Exceeding the specified Peak Reflow Temperature can lead to issues such as component failure, reduced performance, or even permanent damage to the component. It is important for manufacturers and assemblers to adhere to the recommended Peak Reflow Temperature to ensure the reliability and functionality of the electronic components.

    260
  • Number of Functions
    1
  • Supply Voltage

    Supply voltage refers to the electrical potential difference provided to an electronic component or circuit. It is crucial for the proper operation of devices, as it powers their functions and determines performance characteristics. The supply voltage must be within specified limits to ensure reliability and prevent damage to components. Different electronic devices have specific supply voltage requirements, which can vary widely depending on their design and intended application.

    1.5V
  • Terminal Pitch

    The center distance from one pole to the next.

    0.65mm
  • Base Part Number

    The "Base Part Number" (BPN) in electronic components serves a similar purpose to the "Base Product Number." It refers to the primary identifier for a component that captures the essential characteristics shared by a group of similar components. The BPN provides a fundamental way to reference a family or series of components without specifying all the variations and specific details.

    TXB0108
  • Pin Count

    a count of all of the component leads (or pins)

    20
  • Output Type

    The "Output Type" parameter in electronic components refers to the type of signal or data that is produced by the component as an output. This parameter specifies the nature of the output signal, such as analog or digital, and can also include details about the voltage levels, current levels, frequency, and other characteristics of the output signal. Understanding the output type of a component is crucial for ensuring compatibility with other components in a circuit or system, as well as for determining how the output signal can be utilized or processed further. In summary, the output type parameter provides essential information about the nature of the signal that is generated by the electronic component as its output.

    Tri-State, Non-Inverted
  • Number of Channels
    8
  • Number of Circuits
    1
  • Max Supply Voltage

    In general, the absolute maximum common-mode voltage is VEE-0.3V and VCC+0.3V, but for products without a protection element at the VCC side, voltages up to the absolute maximum rated supply voltage (i.e. VEE+36V) can be supplied, regardless of supply voltage.

    5.5V
  • Min Supply Voltage

    The minimum supply voltage (V min ) is explored for sequential logic circuits by statistically simulating the impact of within-die process variations and gate-dielectric soft breakdown on data retention and hold time.

    1.65V
  • Output Current

    The rated output current is the maximum load current that a power supply can provide at a specified ambient temperature. A power supply can never provide more current that it's rated output current unless there is a fault, such as short circuit at the load.

    20μA
  • Number of Bits
    8
  • Propagation Delay

    the flight time of packets over the transmission link and is limited by the speed of light.

    4 ns
  • Quiescent Current

    The quiescent current is defined as the current level in the amplifier when it is producing an output of zero.

    3.5μA
  • Turn On Delay Time

    Turn-on delay, td(on), is the time taken to charge the input capacitance of the device before drain current conduction can start.

    9.5 ns
  • Logic Function

    In electronic components, the term "Logic Function" refers to the specific operation or behavior of a component based on its input signals. It describes how the component processes the input signals to produce the desired output. Logic functions are fundamental to digital circuits and are used to perform logical operations such as AND, OR, NOT, and XOR.Each electronic component, such as logic gates or flip-flops, is designed to perform a specific logic function based on its internal circuitry. By understanding the logic function of a component, engineers can design and analyze complex digital systems to ensure proper functionality and performance. Different logic functions can be combined to create more complex operations, allowing for the creation of sophisticated digital devices and systems.

    Translator
  • Data Rate

    Data Rate is defined as the amount of data transmitted during a specified time period over a network. It is the speed at which data is transferred from one device to another or between a peripheral device and the computer. It is generally measured in Mega bits per second(Mbps) or Mega bytes per second(MBps).

    100Mbps
  • Output Characteristics

    Output characteristics in electronic components refer to the relationship between the output voltage and output current across a range of input conditions. This parameter is essential for understanding how a device, such as a transistor or operational amplifier, behaves under various loads and operating points. It provides insights into the efficiency, performance, and limitations of the component, helping designers to make informed choices for circuits and applications.

    3-STATE
  • Rise Time

    In electronics, when describing a voltage or current step function, rise time is the time taken by a signal to change from a specified low value to a specified high value.

    7.3ns
  • Interface IC Type

    The parameter "Interface IC Type" in electronic components refers to the type of integrated circuit (IC) that is used to facilitate communication between different electronic devices or subsystems. This IC is responsible for managing the exchange of data and control signals between the devices, ensuring proper communication and coordination. The specific type of interface IC used can vary depending on the requirements of the system, such as serial communication (e.g., UART, SPI, I2C), parallel communication, or specialized interfaces like USB or Ethernet. Choosing the appropriate interface IC type is crucial for ensuring compatibility, reliability, and efficiency in electronic systems.

    INTERFACE CIRCUIT
  • High Level Output Current

    High-level Output Current IOH The current flowing into the output at a specified high- level voltage. Low-level Output Current IOL The current flowing into the output at a specified low- level output voltage.

    -20μA
  • Channel Type

    In electronic components, the parameter "Channel Type" refers to the type of channel through which electrical signals or current flow within the component. This parameter is commonly associated with field-effect transistors (FETs) and other semiconductor devices. The channel type can be categorized as either N-channel or P-channel, depending on the polarity of the majority charge carriers (electrons or holes) that carry the current within the channel. N-channel devices have an electron-conducting channel, while P-channel devices have a hole-conducting channel. Understanding the channel type is crucial for proper circuit design and component selection to ensure compatibility and optimal performance.

    Bidirectional
  • Low Level Output Current

    The current into the output terminal with input conditions applied that, according to the product specification, will establish a low level at the output.

    20μA
  • Supply Voltage1-Nom

    Supply Voltage1-Nom is a parameter in electronic components that refers to the nominal or rated voltage level at which the component is designed to operate optimally. This parameter specifies the voltage level that the component requires to function correctly and efficiently. It is important to ensure that the actual supply voltage provided to the component closely matches the specified nominal voltage to prevent damage or malfunction. Deviating significantly from the nominal voltage may result in unreliable performance or even permanent damage to the component. It is crucial to adhere to the specified supply voltage range to ensure the proper functioning and longevity of the electronic component.

    1.8V
  • Translator Type

    Translator Type in electronic components refers to a specific parameter that indicates the type of signal translation or conversion capability of the component. This parameter is commonly found in devices such as voltage translators, level shifters, and protocol converters. The Translator Type specifies whether the component can convert signals between different voltage levels, logic levels, or communication protocols. Understanding the Translator Type of an electronic component is crucial for ensuring compatibility and proper signal processing in electronic circuits and systems. It helps in selecting the right component for the desired signal translation requirements in a design.

    Voltage Level
  • Voltage - VCCA

    Voltage - VCCA is a parameter commonly found in electronic components, especially integrated circuits and microcontrollers. It refers to the voltage level required for the internal analog circuitry of the component to operate correctly. This voltage is typically supplied by an external power source and is crucial for ensuring the proper functioning of the analog components within the device. It is important to provide the specified VCCA voltage to prevent malfunctions or damage to the component. Manufacturers usually provide guidelines and specifications regarding the acceptable voltage range for VCCA to help users ensure optimal performance and reliability of the electronic component.

    1.2V~3.6V
  • Voltage - VCCB

    Voltage - VCCB refers to the supply voltage for the B-side of a bipolar device or circuit, such as transistor configurations or integrated circuits. It is an important parameter that indicates the voltage level required for the proper functioning of the device. VCCB is typically specified in volts and can affect the performance, power consumption, and signal integrity of the electronic component. Proper understanding of VCCB is essential for ensuring compatibility with other circuit elements and for achieving desired operational characteristics.

    1.65V~5.5V
  • Features

    In the context of electronic components, the term "Features" typically refers to the specific characteristics or functionalities that a particular component offers. These features can vary depending on the type of component and its intended use. For example, a microcontroller may have features such as built-in memory, analog-to-digital converters, and communication interfaces like UART or SPI.When evaluating electronic components, understanding their features is crucial in determining whether they meet the requirements of a particular project or application. Engineers and designers often look at features such as operating voltage, speed, power consumption, and communication protocols to ensure compatibility and optimal performance.In summary, the "Features" parameter in electronic components describes the unique attributes and capabilities that differentiate one component from another, helping users make informed decisions when selecting components for their electronic designs.

    Auto-Direction Sensing
  • Height
    1.2mm
  • Length
    6.5mm
  • Width
    4.4mm
  • Thickness

    Thickness in electronic components refers to the measurement of how thick a particular material or layer is within the component structure. It can pertain to various aspects, such as the thickness of a substrate, a dielectric layer, or conductive traces. This parameter is crucial as it impacts the electrical, mechanical, and thermal properties of the component, influencing its performance and reliability in electronic circuits.

    1mm
  • REACH SVHC

    The parameter "REACH SVHC" in electronic components refers to the compliance with the Registration, Evaluation, Authorization, and Restriction of Chemicals (REACH) regulation regarding Substances of Very High Concern (SVHC). SVHCs are substances that may have serious effects on human health or the environment, and their use is regulated under REACH to ensure their safe handling and minimize their impact.Manufacturers of electronic components need to declare if their products contain any SVHCs above a certain threshold concentration and provide information on the safe use of these substances. This information allows customers to make informed decisions about the potential risks associated with using the components and take appropriate measures to mitigate any hazards.Ensuring compliance with REACH SVHC requirements is essential for electronics manufacturers to meet regulatory standards, protect human health and the environment, and maintain transparency in their supply chain. It also demonstrates a commitment to sustainability and responsible manufacturing practices in the electronics industry.

    No SVHC
  • Radiation Hardening

    Radiation hardening is the process of making electronic components and circuits resistant to damage or malfunction caused by high levels of ionizing radiation, especially for environments in outer space (especially beyond the low Earth orbit), around nuclear reactors and particle accelerators, or during nuclear accidents or nuclear warfare.

    No
  • RoHS Status

    RoHS means “Restriction of Certain Hazardous Substances” in the “Hazardous Substances Directive” in electrical and electronic equipment.

    ROHS3 Compliant
  • Lead Free

    Lead Free is a term used to describe electronic components that do not contain lead as part of their composition. Lead is a toxic material that can have harmful effects on human health and the environment, so the electronics industry has been moving towards lead-free components to reduce these risks. Lead-free components are typically made using alternative materials such as silver, copper, and tin. Manufacturers must comply with regulations such as the Restriction of Hazardous Substances (RoHS) directive to ensure that their products are lead-free and environmentally friendly.

    Lead Free
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TXB0108PWR Pinout

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TXB0108PWR Applications

  • It can be used for translating logic voltage levels between devices that operate at different voltages, such as microcontrollers, sensors, I/O expanders, EEPROMs, LCDs, and LEDs.

  • It can be used for interfacing open-drain and push-pull applications, such as I2C, SMBus, PMBus, and other serial communication protocols.

  • It can be used for high-speed data transfer between devices that support data rates up to 100 Mbps, such as Ethernet, USB, HDMI, and PCIe.

  • It can be used for protecting devices from electrostatic discharge (ESD), which can damage sensitive components. The TXB0108PWR has +/-15-kV ESD protection on the B port and 2000-V human-body model (HBM) ESD protection on the A port.

  • It can be used for dual-channel XAUI to SFI reference design for systems with two or more SFP+ optical ports. This design uses two TXB0108PWR devices to translate the 10-Gbps XAUI signals from a Xilinx Virtex-6 FPGA to the SFI signals for the SFP+ modules.

  • It can be used for Gigabit Ethernet link aggregator reference design. This design uses four TXB0108PWR devices to aggregate four Gigabit Ethernet links into a single 10-Gigabit Ethernet link using a Xilinx Spartan-6 FPGA.

  • It can be used for high-bandwidth zero-IF reference design for microwave backhaul. This design uses two TXB0108PWR devices to interface a Texas Instruments ADS5409 analog-to-digital converter (ADC) with a Xilinx Virtex-5 FPGA. The ADC operates at 1-GSPS sampling rate and 1.8-V logic level, while the FPGA operates at 2.5-V logic level


TXB0108PWR CAD Model

Symbol

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Footprint

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3D Model

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TXB0108PWR Manufacturer

Texas Instruments is a global semiconductor company that designs, manufactures, tests and sells analog and embedded processing chips. It has more than 80,000 products that help customers in various markets, such as industrial, automotive, personal electronics, communications equipment and enterprise systems. It aims to create a better world by making electronics more affordable, efficient, reliable and innovative. It has been in the business for decades and has a strong reputation for engineering progress.


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Frequently Asked Questions

What is the purpose of the TXB0108PWR?

The TXB0108PWR is a voltage level translator that can convert signals between different voltage levels, such as 1.2 V, 1.8 V, 2.5 V, 3.3 V, and 5 V. It can be used for interfacing devices that operate at different logic levels, such as microcontrollers, sensors, I/O expanders, EEPROMs, LCDs, and LEDs.

How does the TXB0108PWR work?

The TXB0108PWR has two separate configurable power-supply rails, VCCA and VCCB. The A port is designed to track VCCA, while the B port is designed to track VCCB. The device can transfer data in both directions between the A and B ports without any external control signals. It has auto direction sensing feature, which means it can automatically detect the direction of data flow based on the input and output voltages.

What are the advantages of the TXB0108PWR?

The TXB0108PWR has several advantages over other voltage level translators, such as: It can support data rates up to 100 Mbps and has +/-15-kV ESD protection for high reliability. It is compatible with I2C, SMBus, PMBus, and other open-drain and push-pull applications. It has tri-state outputs that can be placed in high-impedance state when either VCCA or VCCB is at GND. It comes in a small TSSOP-20 package and operates in a wide temperature range of -40°C to +85°C.
TXB0108PWR

Texas Instruments

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