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| Product attributes | Property Value |
| Manufacturer | Harris Corporation |
| Product Series | |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Buffer, Non-Inverting |
| Number of Elements | 2 |
| Number of Bits per Element | 2, 4 |
| Input Type | - |
| Output Type | 3-State |
| 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-CDIP (0.300", 7.62mm) |
| Supplier Device Package | 16-CDIP (0.300", 7.62mm) |
The CD4503BF from Harris Corporation is a 2-channel, non-inverting buffer in the CD4000 CMOS family. It features 3-State outputs with 14.1mA source and 23mA sink capability, operating from 3V to 18V. Packaged in a 16-pin ceramic CDIP, this IC is designed for high-reliability and wide-voltage applications in industrial and military systems.
- Wide Voltage Range (3V-18V): Compatible with 5V, 12V, and 15V systems, offering design flexibility.
- Military Temperature Range (-55°C to 125°C): Ensures reliable operation in extreme environments.
- 3-State Outputs: Allows bus multiplexing and prevents signal contention.
- CMOS Technology: Low power consumption, ideal for battery-powered and energy-efficient designs.
High-Voltage CMOS Systems
Use the CD4503BF in systems operating at 12V or 15V, where its 3V-18V range allows direct interfacing with high-voltage CMOS logic without level shifters.
Bus Buffering in Industrial Controls
In industrial control panels, this buffer isolates microcontroller outputs from noisy field wiring, with 3-State control for bus sharing among multiple controllers.
Military and Aerospace Signal Conditioning
The -55°C to 125°C range and ceramic package make it suitable for avionics and defense systems requiring extreme temperature tolerance.
Analog Switch Driving
Drive analog switch control inputs with the CD4503BF, providing clean, buffered signals that prevent loading of the source logic.
Power Supply Sequencing
In power management circuits, this buffer can distribute enable signals to multiple voltage regulators, ensuring proper sequencing with its wide voltage range.
- Q: What logic family does the CD4503BF belong to?
- A: It is part of the CD4000 series, a family of CMOS logic ICs from Harris Corporation.
- Q: What is the function of this IC?
- A: It is a 2-channel, non-inverting buffer with 3-State outputs for signal isolation and bus driving.
- Q: What is the output current capability?
- A: It can source 14.1mA and sink 23mA, providing moderate drive for CMOS logic.
- Q: What is the operating voltage range?
- A: The supply voltage ranges from 3V to 18V, offering wide compatibility with various logic levels.
- Q: What is the temperature range?
- A: It operates over the full military range of -55°C to 125°C.
- Q: What package is available?
- A: It comes in a 16-pin CDIP (0.300", 7.62mm) ceramic DIP package for high-reliability applications.
CD4503BF.pdf
- Q: What logic family does the CD4503BF belong to?
- A: It is part of the CD4000 series, a family of CMOS logic ICs from Harris Corporation.
- Q: What is the function of this IC?
- A: It is a 2-channel, non-inverting buffer with 3-State outputs for signal isolation and bus driving.
- Q: What is the output current capability?
- A: It can source 14.1mA and sink 23mA, providing moderate drive for CMOS logic.
- Q: What is the operating voltage range?
- A: The supply voltage ranges from 3V to 18V, offering wide compatibility with various logic levels.
- Q: What is the temperature range?
- A: It operates over the full military range of -55°C to 125°C.
- Q: What package is available?
- A: It comes in a 16-pin CDIP (0.300", 7.62mm) ceramic DIP package for high-reliability applications.