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| Product attributes | Property Value |
| Manufacturer | Harris Corporation |
| Product Series | |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Transceiver, Non-Inverting |
| Number of Elements | 2 |
| Number of Bits per Element | 8 |
| Input Type | - |
| Output Type | 3-State |
| Current - Output High, Low | 32mA, 64mA |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 56-BSSOP (0.295", 7.50mm Width) |
| Supplier Device Package | 56-BSSOP (0.295", 7.50mm Width) |
The CD74FCT16543ATSM is a high-performance 2-channel non-inverting transceiver from Harris Corporation. Designed for 5V systems, it operates from 4.5V to 5.5V and delivers 32mA source and 64mA sink current. The 3-State outputs enable efficient bus sharing in multi-device systems. This IC is well-suited for backplane communication, microprocessor bus buffering, and industrial control applications. Its 56-BSSOP package offers a compact solution for high-density boards. The CD74FCT family provides a balance of speed and power efficiency.
- Strong 64mA Sink Capability: Ensures reliable signal delivery to heavy loads.
- 5V TTL Compatibility: Works seamlessly with existing 5V logic infrastructure.
- 3-State Outputs: Facilitates bus arbitration and prevents data corruption.
- Industrial Temperature Range: Suitable for demanding environments.
5V Backplane Communication
Use in telecom and networking backplanes where high drive current (64mA sink) is needed to drive long traces and multiple line cards.
Microprocessor Bus Buffering
Isolate the CPU bus from memory or I/O devices. The 3-State outputs allow the bus to be released when not in use.
Industrial Control Systems
Interface between 5V logic controllers and field devices. The wide temperature range (-40°C to 85°C) ensures reliable operation in factory floors.
Data Communication Equipment
Buffer data lines in routers and switches. The high-speed operation of the CD74FCT family minimizes propagation delay.
Memory Interface
Connect a 5V memory controller to SRAM or Flash devices. The non-inverting transceiver preserves data integrity.
Automotive Test Systems
In automotive ECU test benches, this IC routes signals between the test controller and the device under test.
- Q: What is the logic family of the CD74FCT16543ATSM?
- A: It is part of the CD74FCT family, a high-speed CMOS logic series.
- Q: What is the function of this IC?
- A: It is a 2-channel, non-inverting transceiver for bidirectional data transfer.
- Q: How many channels does it have?
- A: It has 2 channels, each with independent direction control.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for bus isolation and multiplexing.
- Q: What is the operating voltage range?
- A: It operates from 4.5V to 5.5V, suitable for 5V logic systems.
- Q: What package is available?
- A: It comes in a 56-BSSOP (0.295", 7.50mm Width) package.
CD74FCT16543ATSM.pdf
- Q: What is the logic family of the CD74FCT16543ATSM?
- A: It is part of the CD74FCT family, a high-speed CMOS logic series.
- Q: What is the function of this IC?
- A: It is a 2-channel, non-inverting transceiver for bidirectional data transfer.
- Q: How many channels does it have?
- A: It has 2 channels, each with independent direction control.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for bus isolation and multiplexing.
- Q: What is the operating voltage range?
- A: It operates from 4.5V to 5.5V, suitable for 5V logic systems.
- Q: What package is available?
- A: It comes in a 56-BSSOP (0.295", 7.50mm Width) package.