CD4050 hex buffer:Pinout, Alternatives, Datasheet PDF
DUAL Buffer, Non-Inverting 3V~18V Push-Pull Buffers 4000B Series CD4050 16 Pins 1 Bit per Element 16-DIP (0.300, 7.62mm)









DUAL Buffer, Non-Inverting 3V~18V Push-Pull Buffers 4000B Series CD4050 16 Pins 1 Bit per Element 16-DIP (0.300, 7.62mm)
CD4050 is a non-inverting hex buffers. This article mainly introduce its pinout, alternatives and datasheet PDF about Texas Instruments CD4050.

First tests 4050 hex buffer IC electronics integrated circuit CD4050 CD4050B
CD4050 Description
CD4050 device is nverting and the non-inverting hexadecimal buffers each have a logic level conversion function using only one power supply voltage (VCC). This input signal high level (VIH) may exceed the VCC power supply This device are used for logic level voltage Conversion. This device are designed to be used as CMOS To DTL/TTL converter, can directly drive two DTL/TTL load. (VCC = 5V, VOL ≤ 0.4V, IOL ≥ 3.3mA.) CD4050 is designated as replace CD4009UB and CD4010B respectively. Because CD4049UB and CD4050B only need one power supply, they are better than CD4009UB and CD4010B, should be used instead of CD4009UB And CD4010B in all inverters, current drivers or logic levels convert the application. In these applications CD4049UB and CD4050B are pin compatible CD4009UB and CD4010B are respectively Replace these devices in existing and new devices design. Terminal 16 is not connected internally CD4049UB or CD4050B, so connect to this
The terminals have no effect on the operation of the circuit. in order to applications that do not require high sink current or voltage For conversion, it is recommended to use CD4069UB hexadecimal inverter.
CD4050 Pinout

CD4050 CAD Model
Symbol

Footprint

3D Model

CD4050 Features
● CD4049UB reverse
● CD4050 in phase
● High current sink for driving 2 TTL loads
● High and low logic conversion
● 20V quiescent current 100% test
● 18V full package maximum input current is 1µA
● Temperature range; 100nA at 18V and 25oC
● 5V, 10V and 15V parameter ratings
Specifications
- TypeParameter
- 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: 5 days ago) - Factory Lead Time6 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.
Through Hole - 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.
Through Hole - Package / Case
refers to the protective housing that encases an electronic component, providing mechanical support, electrical connections, and thermal management.
16-DIP (0.300, 7.62mm) - Number of Pins16
- 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.
-55°C~125°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.
Tube - Series
In electronic components, the "Series" refers to a group of products that share similar characteristics, designs, or functionalities, often produced by the same manufacturer. These components within a series typically have common specifications but may vary in terms of voltage, power, or packaging to meet different application needs. The series name helps identify and differentiate between various product lines within a manufacturer's catalog.
4000B - 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 - 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 Terminations16
- 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.
Through Hole - 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 - Additional Feature
Any Feature, including a modified Existing Feature, that is not an Existing Feature.
CMOS-TTL LEVEL TRANSLATOR - Voltage - Supply
Voltage - Supply refers to the range of voltage levels that an electronic component or circuit is designed to operate with. It indicates the minimum and maximum supply voltage that can be applied for the device to function properly. Providing supply voltages outside this range can lead to malfunction, damage, or reduced performance. This parameter is critical for ensuring compatibility between different components in a circuit.
3V~18V - 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 - Number of Functions6
- 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.
10V - Terminal Pitch
The center distance from one pole to the next.
2.54mm - 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.
CD4050 - Pin Count
a count of all of the component leads (or pins)
16 - 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.
Push-Pull - Operating Supply Voltage
The voltage level by which an electrical system is designated and to which certain operating characteristics of the system are related.
18V - Polarity
In electronic components, polarity refers to the orientation or direction in which the component must be connected in a circuit to function properly. Components such as diodes, capacitors, and LEDs have polarity markings to indicate which terminal should be connected to the positive or negative side of the circuit. Connecting a component with incorrect polarity can lead to malfunction or damage. It is important to pay attention to polarity markings and follow the manufacturer's instructions to ensure proper operation of electronic components.
Non-Inverting - Supply Voltage-Min (Vsup)
The parameter "Supply Voltage-Min (Vsup)" in electronic components refers to the minimum voltage level required for the component to operate within its specified performance range. This parameter indicates the lowest voltage that can be safely applied to the component without risking damage or malfunction. It is crucial to ensure that the supply voltage provided to the component meets or exceeds this minimum value to ensure proper functionality and reliability. Failure to adhere to the specified minimum supply voltage may result in erratic behavior, reduced performance, or even permanent damage to the component.
5V - Number of Channels6
- Load Capacitance
the amount of capacitance measured or computed across the crystal terminals on the PCB. Frequency Tolerance. Frequency tolerance refers to the allowable deviation from nominal, in parts per million (PPM), at a specific temperature, usually +25°C.
50pF - Propagation Delay
the flight time of packets over the transmission link and is limited by the speed of light.
60 ns - Quiescent Current
The quiescent current is defined as the current level in the amplifier when it is producing an output of zero.
20μA - 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.
140 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.
Buffer, Inverting - Number of Inputs6
- Logic Type
Logic Type in electronic components refers to the classification of circuits based on the logical operations they perform. It includes types such as AND, OR, NOT, NAND, NOR, XOR, and XNOR, each defining the relationship between binary inputs and outputs. The logic type determines how the inputs affect the output state based on specific rules of Boolean algebra. This classification is crucial for designing digital circuits and systems, enabling engineers to select appropriate components for desired functionalities.
Buffer, Non-Inverting - Number of Bits per Element1
- Schmitt Trigger
A Schmitt Trigger is a type of comparator circuit commonly used in electronics to convert an analog input signal into a digital output signal. It has hysteresis, which means that the output switches at different voltage levels depending on whether the input is rising or falling. This hysteresis helps to eliminate noise and provide a more stable output signal. Schmitt Triggers are often used in applications where noise immunity and signal conditioning are important, such as in signal processing, waveform shaping, and digital logic circuits.
NO - Height5.08mm
- Length19.3mm
- Width6.35mm
- 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.
3.9mm - 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
CD4050 Schematic Diagram

CD4050 Test Circuit

DYNAMIC POWER DISSIPATION TEST CIRCUITS

INPUT CURRENT TEST CIRCUIT

QUIESCENT DEVICE CURRENT TEST CIRCUIT

INPUT VOLTAGE TEST CIRCUIT
CD4050 Functional Block Diagram

CD4050 Alternatives

CD4050 Applications
• CMOS to DTL/TTL hexadecimal converter
• CMOS current "sink" or "source" driver
• CMOS high to low logic level converter
CD4050 Manufacturer
Texas Instruments (TI) is an American technology company headquartered in Dallas, Texas, which designs and manufactures semiconductors and various integrated circuits, and sells them to electronic designers and manufacturers worldwide. It is one of the top 10 semiconductor companies in global sales. The company focuses on the development of analog chips and embedded processors, which account for more than 80% of its revenue. TI also produces TI digital light processing technology and educational technology products, including calculators, microcontrollers and multi-core processors. As of 2016, the company has 45,000 patents worldwide.
Trend Analysis
Datasheet PDF
- Datasheets :
- PCN Design/Specification :
1.What is the electronic component CD4050 used for?
CD4050 is a non-inverting six-buffer, which has the feature of using only one power supply voltage (VCC) for logic level conversion. When used for logic level conversion, the input high level voltage (VIH) exceeds the power supply voltage VCC. This device is mainly used as a converter from COS/MOS to DTL/TTL and can directly drive two DTL/TTL loads.
2.The input and output of the chip CD4050 are the same, what's the use?
It is used for impedance conversion to change the signal with high output impedance and weak output drive ability into a signal with low output impedance and strong output drive ability.
3.What chip can replace CD4050?
CC4050, TC4050, MC14050.
4.How do you reduce TTL?
To interface a 5V to 3.3V logic circuit, use a potential divider of 3.3k and 2.2k or series FET, there are also ICs similar to SN74AHC125 and CD4050, reducing TTL voltage.
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