CD4511 Seven Segment Driver: Pinout, Equivalent and Truth Table
Active DUAL 5V V Display Drivers ICs Tube
Hello, everyone. I am Rose. Welcome to the new post today. The CD4511 is a BCD to 7-segment driver. This article mainly introduce pinout, equivalent, truth table, and other detailed information about Texas Instruments CD4511.

CD4511 BCD to 7-Segment Decoder breadboard setup.
CD4511 Description
The CD4511 is a BCD to 7-segment driver. which can convert a binary to a decimal number. It means it takes a number in binary form as an input, then displays this number on a 7-segment display using its outputs. Most importantly, It can operate within a voltage range of 3-18V. All the inputs are protected from electric discharges. Additionally, it has built-in IC testing pins such as Lamp test, blanking, and strobe.
CD4511 Pinout

CD4511 Pinout
| Pin Number | Pin Name | Description |
| 1, 2, 6, 7 | A, B, C, D | 4 BCD inputs |
| 3 | LT | Lamp test input is used to test the display. |
| 4 | BL | Blanking input is used to turn off or pulse modulate the brightness. |
| 5 | LE/~Strobe | Latch Enable or Strobe input is used for storing BCD code. |
| 8 | Vss | The ground of the circuit. |
| 9, 10, 11, 12, 13, 14, 15 | a, b, c, d, e, f, g | Seven segment outputs |
| 16 | Vdd | Positive power supply |
CD4511 Pin Description
CD4511 CAD Model

Symbol

Footprint

3D Model
CD4511 Features
-Lamping test and blanking inputs.
-Low logic circuit power dissipation.
-Balanced propagation delays and transition time.
-Hold time is zero
-Latch input for storing BCD code.
-Balanced transition time
-Operating temperature range: -40 °C to 85 °C
-Outputs have high sourcing currents up to 25mA
-High output sourcing capability.
-Lamp intensity modulation capability.
-Rigid structure.
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: 2 days ago) - Factory Lead Time8 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
- Weight951.693491mg
- 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 - 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 - 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
- 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 - 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 Functions1
- 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.
5V - 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.
CD4511 - Pin Count
a count of all of the component leads (or pins)
16 - Operating Supply Voltage
The voltage level by which an electrical system is designated and to which certain operating characteristics of the system are related.
3.3V - 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.
3V - Configuration
The parameter "Configuration" in electronic components refers to the specific arrangement or setup of the components within a circuit or system. It encompasses how individual elements are interconnected and their physical layout. Configuration can affect the functionality, performance, and efficiency of the electronic system, and may influence factors such as signal flow, impedance, and power distribution. Understanding the configuration is essential for design, troubleshooting, and optimizing electronic devices.
7 Segment - Number of Channels4
- Interface
In electronic components, the term "Interface" refers to the point at which two different systems, devices, or components connect and interact with each other. It can involve physical connections such as ports, connectors, or cables, as well as communication protocols and standards that facilitate the exchange of data or signals between the connected entities. The interface serves as a bridge that enables seamless communication and interoperability between different parts of a system or between different systems altogether. Designing a reliable and efficient interface is crucial in ensuring proper functionality and performance of electronic components and systems.
BCD - Operating Supply Current
Operating Supply Current, also known as supply current or quiescent current, is a crucial parameter in electronic components that indicates the amount of current required for the device to operate under normal conditions. It represents the current drawn by the component from the power supply while it is functioning. This parameter is important for determining the power consumption of the component and is typically specified in datasheets to help designers calculate the overall power requirements of their circuits. Understanding the operating supply current is essential for ensuring proper functionality and efficiency of electronic systems.
40nA - 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 - Power Dissipation
the process by which an electronic or electrical device produces heat (energy loss or waste) as an undesirable derivative of its primary action.
500mW - Propagation Delay
the flight time of packets over the transmission link and is limited by the speed of light.
1.32 μs - Quiescent Current
The quiescent current is defined as the current level in the amplifier when it is producing an output of zero.
100μA - 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.
1.32 μs - 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.
Decoder, Inverter, Latch - Number of Inputs4
- Logic IC Type
Logic IC Type refers to the type of integrated circuit (IC) that is specifically designed to perform logical operations. These ICs are commonly used in digital electronic devices to process and manipulate binary data according to predefined logic functions. The Logic IC Type parameter typically specifies the specific logic family or technology used in the IC, such as TTL (Transistor-Transistor Logic), CMOS (Complementary Metal-Oxide-Semiconductor), or ECL (Emitter-Coupled Logic). Understanding the Logic IC Type is important for selecting the appropriate IC for a given application, as different logic families have varying characteristics in terms of speed, power consumption, and noise immunity.
SEVEN SEGMENT DECODER/DRIVER - Number of Gates
The number of gates per IC varies depending on the number of inputs per gate. Two?input gates are common, but if only a single input is required, such as in the 744 NOT(or inverter) gates, a 14 pin IC can accommodate 6 (or Hex) gates.
1 - Display Type
Display Type in electronic components refers to the technology used to display information or visuals on a screen or panel. It describes the specific method or technology employed to present data, such as LCD (Liquid Crystal Display), OLED (Organic Light-Emitting Diode), LED (Light-Emitting Diode), or CRT (Cathode Ray Tube). Each display type has its own characteristics, including factors like resolution, color accuracy, viewing angles, power consumption, and response time. Choosing the right display type is crucial for determining the quality and performance of the visual output in electronic devices, such as smartphones, TVs, monitors, and digital signage.
LED - Input Capacitance
The capacitance between the input terminals of an op amp with either input grounded. It is expressed in units of farads.
5pF - 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.
4.2mA - Power Supply Current-Max (ICC)
The parameter "Power Supply Current-Max (ICC)" in electronic components refers to the maximum amount of current that the component will draw from the power supply under specified operating conditions. It is an important specification as it helps determine the power consumption of the component and ensures that the power supply can provide enough current to meet the component's requirements without being overloaded. Exceeding the maximum power supply current can lead to overheating, component damage, or system failure. Designers use this parameter to select an appropriate power supply and ensure the reliable operation of the electronic system.
0.3mA - Number of Output Lines7
- Input Conditioning
Input conditioning refers to the process of preparing an input signal for processing by electronic components or systems. This involves filtering, amplifying, and converting the signal to ensure it meets the required specifications for accurate interpretation and processing. Input conditioning typically aims to reduce noise, adjust signal levels, and ensure compatibility with the receiving system's input requirements. It is a critical step in ensuring reliable and accurate performance of electronic devices.
LATCHED - 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
CD4511 Alternatives
| Part Number | Description | Manufacturer |
| CD4511BMNLOGIC | 4000/14000/40000 SERIES, SEVEN-SEGMENT DECODER/DRIVER, TRUE OUTPUT, PDIP16, PLASTIC, DIP-16 | Texas Instruments |
| MC14511BCLDLOGIC | Seven Segment Decoder/Driver, 4000/14000/40000 Series, True Output, CMOS, CDIP16, 620-09 | Motorola Semiconductor Products |
| CD4511BDMSHDRIVERS AND INTERFACES | IC,LED DISPLAY DRIVER,7-SEG,COMMON-CATHODE,CMOS, RAD HARD,DIP,16PIN,CERAMIC | Intersil Corporation |
| MC14511BCPGLOGIC | Seven Segment Decoder/Driver, CMOS Series, True Output, CMOS, PDIP16, LEAD-FREE, PLASTIC, DIP-16 | Rochester Electronics LLC |
Where to use CD4511?
CD4511 is mainly used for lighting up or driving various types of display like 7-segment, low voltage fluorescent display, and incandescent display. But this IC is mainly used for driving the 7-segment display. For example, you are using a counter which provides output in BCD format. You want to use this BCD output with 7-segment. This IC will be helpful to convert BCD encoded signals into 7 signals. It can also be used to decrease the input and output ports of microcontrollers.
How to Use CD4511?
To use this IC you don’t need too many things to connect, just need a toggle or push button to change the logic over the ICs input pins and pull-down resistor with them as shown in the circuit.
A resistor pack or a few resistors are also needed to connect a 7-segment display. As the setup is complete you just have to follow the table to get the required output number.
Circuit using CD4511 7 segment driver IC
| Displaying decimal number | BCD code | Pushbuttons | |||
| D | C | B | A | ||
| 0 | 0 | Low | Low | Low | Low |
| 1 | 1 | Low | Low | Low | High |
| 2 | 10 | Low | Low | High | Low |
| 3 | 11 | Low | Low | High | High |
| 4 | 100 | Low | High | Low | Low |
| 5 | 101 | Low | High | Low | High |
| 6 | 110 | Low | High | High | Low |
| 7 | 111 | Low | High | High | High |
| 8 | 1000 | High | Low | Low | Low |
| 9 | 1001 | High | Low | Low | High |
CD4511 Equivalents
CD4513, 74LS48, CD4543, 74LS145
CD4511 Truth Table

CD4511 Truth Table
CD4511 Applications
●Used in display drivers of the counter, computer, calculator, cockpit, etc.
●Used in displaying and multiplexing multiple signals
●Used in driving incandescent displays
CD4511 Package

CD4511 Package
CD4511 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
- PCN Design/Specification :
- Datasheets :
CD4511BE-Texas-Instruments-datasheet-10258147.pdf
CD4511BE-Texas-Instruments-datasheet-37708142.pdf
CD4511BE-Texas-Instruments-datasheet-101608812.pdf
CD4511BE-Texas-Instruments-datasheet-14155140.pdf
CD4511BE-Texas-Instruments-datasheet-5318765.pdf
CD4511BE-Texas-Instruments-datasheet-7276250.pdf
CD4511BE-Texas-Instruments-datasheet-78160.pdf
Parts with Similar Specs
- ImagePart NumberManufacturerPackage / CaseNumber of InputsNumber of PinsLogic FunctionNumber of Output LinesPropagation DelayLow Level Output CurrentSupply VoltageView Compare
CD4511BE
16-DIP (0.300, 7.62mm)
4
16
Decoder, Inverter, Latch
7
1.32 μs
4.2 mA
5 V
16-DIP (0.300, 7.62mm)
3
16
Decoder, Demultiplexer, Demux
8
45 ns
-
5 V
16-DIP (0.300, 7.62mm)
3
16
Decoder, Demultiplexer
-
45 ns
-
5 V
16-DIP (0.300, 7.62mm)
3
16
Decoder, Demultiplexer
-
45 ns
-
5 V
16-DIP (0.300, 7.62mm)
3
16
Decoder, Demultiplexer
-
30 ns
-
4.5 V
1.What's the specific function of CD4511 decoding chip?
Convert a four-bit binary input abcd into a seven-bit output, and connect it to the seven input ends of a led tube to achieve output from 0-8.
2.What is the working voltage of CD4511?
CMOS circuit, the highest voltage is 18V, the lowest is 3V.
3.What is the difference between CC4511 and CD4511? Can they be replaced with each other?
There is no difference between CC4511 and CD4511, except that the previous factory logo and company logo are different, the parameters are the same, and they can be replaced with each other.
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