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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 | 1 |
| Number of Bits per Element | 6 |
| Input Type | - |
| Output Type | - |
| Current - Output High, Low | 6.8mA, 16.1mA |
| 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 CD4503BD3 is a single non-inverting buffer from the CD4000 CMOS logic family, manufactured by Harris Corporation. It features a wide operating voltage range of 3V to 18V, making it highly versatile for mixed-voltage systems. The buffer provides 6.8mA source and 16.1mA sink current, suitable for driving capacitive loads and interfacing with higher-voltage logic. It is packaged in a 16-pin ceramic DIP for high-reliability applications.
- Wide 3V to 18V Supply Range: Interfaces with 3.3V, 5V, 12V, and 15V logic systems.
- High Sink Current (16.1mA): Drives capacitive loads and multiple CMOS inputs.
- Standard CMOS Output: Simple push-pull output for direct connection to other CMOS gates.
- Ceramic DIP Package: Suitable for high-temperature or high-reliability environments.
High-Voltage Level Shifting
With a 3V to 18V range, it can shift signals from a 5V microcontroller to a 12V or 15V industrial logic system.
Driving High-Capacitance Loads
It can buffer signals to drive long cables or high-input-capacitance CMOS devices in low-frequency applications.
Oscillator Buffer
Use it to buffer the output of a CMOS oscillator circuit without loading the oscillator, ensuring stable frequency.
Power Supply Sequencing Logic
In systems with multiple supply rails, it can buffer control signals across different voltage domains.
Analog Switch Control
Provides a clean, buffered control signal for CD4000-series analog switches, ensuring low on-resistance.
Battery-Powered Equipment
Its wide voltage range allows operation directly from a 9V battery or a 3.3V rail, making it versatile for portable designs.
- Q: What is the logic family of the CD4503BD3?
- A: It is a CD4000 series CMOS logic device.
- Q: What is the function of this IC?
- A: It is a single (1-channel) non-inverting buffer.
- Q: How many channels does it have?
- A: It has 1 buffer channel.
- Q: What is the output type?
- A: The output is standard push-pull CMOS (not 3-State or open-drain).
- Q: What is the voltage range?
- A: It operates over a wide 3V to 18V supply range.
- Q: What package is available?
- A: It comes in a 16-pin CDIP (0.300", 7.62mm) package.
CD4503BD3.pdf
- Q: What is the logic family of the CD4503BD3?
- A: It is a CD4000 series CMOS logic device.
- Q: What is the function of this IC?
- A: It is a single (1-channel) non-inverting buffer.
- Q: How many channels does it have?
- A: It has 1 buffer channel.
- Q: What is the output type?
- A: The output is standard push-pull CMOS (not 3-State or open-drain).
- Q: What is the voltage range?
- A: It operates over a wide 3V to 18V supply range.
- Q: What package is available?
- A: It comes in a 16-pin CDIP (0.300", 7.62mm) package.