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| Product attributes | Property Value |
| Manufacturer | Harris Corporation |
| Product Series | |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Buffer, Inverting |
| Number of Elements | 1 |
| Number of Bits per Element | 6 |
| Input Type | - |
| Output Type | 3-State |
| Current - Output High, Low | 6.8mA, 40.8mA |
| Voltage - Supply | 3V ~ 18V |
| Operating Temperature | -55°C ~ 125°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 16-CFlatPack |
| Supplier Device Package | 16-CFlatPack |
The CD4502BK3 is a single-channel inverting buffer with 3-State output from Harris Corporation. It operates over a wide 3V to 18V supply, making it suitable for both low-power portable and high-voltage industrial systems. The 3-State output enables bus-oriented applications where multiple devices share a common line. With 6.8mA source and 40.8mA sink current capability, it can drive moderate capacitive loads. The device is specified for -55°C to 125°C, ensuring reliable operation in extreme environments. Packaged in a 16-lead CFlatPack, it is ideal for compact, high-reliability designs.
- 3-State Output: Enables bus sharing and prevents data contention in multi-device systems.
- Wide Supply Range (3V-18V): Works with standard 5V, 12V, and 15V logic systems.
- Inverting Function: Provides signal inversion where required, reducing external component count.
- Military Temperature Range: Reliable from -55°C to 125°C for defense and aerospace applications.
Microprocessor Bus Isolation
The 3-State output allows the CD4502BK3 to disconnect from a data bus when not selected, enabling multiple peripherals to share the same lines without contention.
Inverting Level Shifter
With a 3V to 18V range, it can invert and shift logic levels between different voltage domains, such as 3.3V to 12V systems.
Memory Address Decoding
Use the inverting buffer to drive address lines with controlled impedance, ensuring clean signals to memory chips in high-speed systems.
Industrial Control Logic
In PLCs and industrial controllers, the buffer provides robust signal inversion and isolation for sensor inputs, operating reliably across wide temperature ranges.
Bidirectional Bus Transceiver
When paired with a non-inverting buffer, it can form a bidirectional transceiver for half-duplex communication links.
Power-Supply Sequencing Logic
The 3-State feature allows the buffer to be tri-stated during power-up, preventing glitches on critical control lines.
- Q: What is the logic family of the CD4502BK3?
- A: It belongs to the CD4000 series of CMOS logic, offering low power consumption and wide voltage operation.
- Q: What is the function of this IC?
- A: It is a single-channel inverting buffer with 3-State output, allowing connection to shared buses.
- Q: What is the output type?
- A: The output is 3-State, meaning it can be high, low, or high-impedance for bus multiplexing.
- Q: What is the voltage range?
- A: It operates from 3V to 18V, providing flexibility for various supply rails.
- Q: What is the package?
- A: It is available in a 16-lead CFlatPack package.
- Q: What is the output current?
- A: It can source 6.8mA and sink 40.8mA, suitable for driving moderate loads.
CD4502BK3.pdf
- Q: What is the logic family of the CD4502BK3?
- A: It belongs to the CD4000 series of CMOS logic, offering low power consumption and wide voltage operation.
- Q: What is the function of this IC?
- A: It is a single-channel inverting buffer with 3-State output, allowing connection to shared buses.
- Q: What is the output type?
- A: The output is 3-State, meaning it can be high, low, or high-impedance for bus multiplexing.
- Q: What is the voltage range?
- A: It operates from 3V to 18V, providing flexibility for various supply rails.
- Q: What is the package?
- A: It is available in a 16-lead CFlatPack package.
- Q: What is the output current?
- A: It can source 6.8mA and sink 40.8mA, suitable for driving moderate loads.