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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | 4000B |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Buffer, Non-Inverting |
| Number of Elements | 2 |
| Number of Bits per Element | 2, 4 (Hex) |
| Input Type | - |
| Output Type | Push-Pull |
| Current - Output High, Low | 14.1mA, 23mA |
| Voltage - Supply | 3V ~ 18V |
| Operating Temperature | -55°C ~ 125°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | 16-DIP (0.300", 7.62mm) |
| Supplier Device Package | 16-PDIP |
| ROHS |  |
The CD4503BEE4 is a dual-channel non-inverting buffer from Texas Instruments. It operates from 3V to 18V and features push-pull outputs with 14.1mA source and 23mA sink capability. Housed in a 16-DIP package, it is designed for high-voltage CMOS applications.
- Wide Supply Range (3V-18V): Compatible with 5V, 12V, and 15V systems.
- High Sink Current (23mA): Can drive relays and other loads directly.
- Push-Pull Outputs: Provides strong drive in both high and low states.
- Wide Temperature Range (-55°C to 125°C): Suitable for harsh environments.
High-Voltage CMOS Buffering
Ideal for buffering signals in systems operating at 5V to 15V, such as industrial sensors and actuators.
Automotive ECUs
Used in automotive electronic control units for signal conditioning and buffering of sensor inputs at 12V battery voltage.
Relay and Solenoid Drivers
With 23mA sink capability, it can drive small relays or solenoids directly, simplifying interface circuitry.
Oscillator Circuits
Can be used as a buffer for crystal oscillator outputs, providing a clean, buffered clock signal to multiple loads.
Power Supply Sequencing
Buffers power-good signals in multi-rail power supplies, ensuring proper sequencing and monitoring at high voltages.
Industrial Process Control
Buffers control signals in PLCs and industrial controllers operating at 12V or 15V logic levels.
- Q: What is the logic family of the CD4503BEE4?
- A: It belongs to the 4000B CMOS logic family.
- Q: What is the function of this IC?
- A: It is a dual-channel non-inverting buffer.
- Q: What is the output type?
- A: It has push-pull outputs.
- Q: What is the operating voltage range?
- A: It operates from 3V to 18V.
- Q: What is the package type?
- A: It comes in a 16-DIP package.
- Q: What is the output current capability?
- A: It can source 14.1mA and sink 23mA.
CD4503BEE4.pdf
- Q: What is the logic family of the CD4503BEE4?
- A: It belongs to the 4000B CMOS logic family.
- Q: What is the function of this IC?
- A: It is a dual-channel non-inverting buffer.
- Q: What is the output type?
- A: It has push-pull outputs.
- Q: What is the operating voltage range?
- A: It operates from 3V to 18V.
- Q: What is the package type?
- A: It comes in a 16-DIP package.
- Q: What is the output current capability?
- A: It can source 14.1mA and sink 23mA.