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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | 54FCT |
| Packaging | | |
| Part Status | Active |
| Logic Type | Transceiver, Non-Inverting |
| Number of Elements | 1 |
| Number of Bits per Element | 8 |
| Input Type | - |
| Output Type | 3-State |
| Current - Output High, Low | 12mA, 48mA |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -55°C ~ 125°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 28-CLCC |
| Supplier Device Package | 28-LCCC (11.43x11.43) |
| ROHS |  |
The CY54FCT543TLMB is a non-inverting transceiver from Texas Instruments, part of the 54FCT logic family. It features a single channel with 3-State outputs, enabling bidirectional data flow on shared buses. Operating from 4.5V to 5.5V, it provides 12mA source and 48mA sink current, ensuring robust signal drive. Packaged in a 28-CLCC ceramic package, it operates from -55°C to 125°C. Ideal for high-speed bus interfacing, cache memory, and telecommunications applications.
- High-Speed 54FCT Technology: Faster propagation delays compared to standard 54BCT, enabling higher system clock rates.
- High Drive Current (48mA Sink): Drives heavy bus loads and long traces, improving signal integrity.
- 3-State Outputs: Enables bus sharing and multiplexing, reducing system complexity.
- Military Temperature Range: Reliable operation in extreme environments, suitable for defense and aerospace.
High-Performance Bus Transceiver
Use the CY54FCT543TLMB in high-speed microprocessor systems to buffer bidirectional data buses. The 54FCT family offers faster propagation delays than standard 54BCT, ideal for high-frequency operation.
Cache Memory Interface
In cache controllers, this transceiver isolates the CPU from SRAM arrays. The 48mA sink current drives the high capacitance of memory data lines.
Telecommunications Switching
In telecom switches, it routes data between line cards and backplanes. The 3-State outputs enable hot-swapping of cards without bus contention.
Military Avionics Data Bus
For avionics systems, the device provides reliable data transfer between mission computers. Its military temperature range and ceramic package meet MIL-STD requirements.
Industrial Robotics Control
In robotic controllers, it interfaces between motion control DSPs and servo drivers. The high drive current ensures signal integrity over shielded cables.
High-End Test Equipment
In ATE systems, the transceiver handles high-speed test vectors. The low propagation delay (typically 4ns) minimizes timing errors in automated tests.
- Q: What is the logic family of the CY54FCT543TLMB?
- A: It belongs to the 54FCT logic family, a high-speed CMOS technology.
- Q: What is the function of this IC?
- A: It is a non-inverting transceiver for bidirectional data transfer.
- Q: How many channels does it have?
- A: It has 1 channel (8-bit bus width) for data transmission.
- 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, compatible with standard 5V systems.
- Q: What package is available?
- A: It comes in a 28-CLCC (ceramic leadless chip carrier) package.
CY54FCT543TLMB.pdf
- Q: What is the logic family of the CY54FCT543TLMB?
- A: It belongs to the 54FCT logic family, a high-speed CMOS technology.
- Q: What is the function of this IC?
- A: It is a non-inverting transceiver for bidirectional data transfer.
- Q: How many channels does it have?
- A: It has 1 channel (8-bit bus width) for data transmission.
- 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, compatible with standard 5V systems.
- Q: What package is available?
- A: It comes in a 28-CLCC (ceramic leadless chip carrier) package.