The PI74FCT162H501TAC is a 18-Bit Universal Bus Transceiver with Bus-Hold manufactured by Pericom Semiconductor. It's engineered for high-speed, bidirectional data transmission across backplanes and buses. The inclusion of bus-hold circuitry is a key feature, preventing floating inputs and ensuring signal integrity even when no external driver is present.
Applications
- Backplane Transceivers
- Memory Interfacing
- High-Speed Data Transmission
- Networking Equipment
- Bus Expansion and Isolation
Features
- 18-Bit Transceiver: Handles wide data paths efficiently.
- Bidirectional Data Flow: Facilitates data transfer in both directions across the bus.
- Bus-Hold Circuitry: Prevents floating inputs and maintains signal integrity.
- High-Speed Operation: Designed for fast data transmission with minimal propagation delay.
- Low Ground Bounce: Minimizes noise and improves signal quality.
- TTL Compatible Inputs: Simplifies interfacing with TTL logic levels.
- 3-State Outputs: Allows for bus sharing and isolation.
Benefits
- Enhanced Data Integrity: Bus-hold feature ensures reliable data transmission by preventing floating inputs.
- Increased System Throughput: High-speed operation reduces data processing time.
- Reduced Noise: Low ground bounce characteristics contribute to a cleaner signal environment.
- Simplified System Design: TTL compatibility simplifies interfacing with other logic components.
- Greater Design Flexibility: Bidirectional capability and 3-state outputs offer flexibility in bus architecture.
- Improved System Reliability: Robust design for dependable performance in demanding environments.
Additional Details
The PI74FCT162H501TAC operates typically between 4.5V and 5.5V. Packaging is usually TSSOP (Thin Shrink Small Outline Package) or similar to allow dense board assembly. Propagation delays are low, supporting high-frequency operation in synchronous and asynchronous systems. The bus-hold feature eliminates the need for external pull-up or pull-down resistors, simplifying circuit design and reducing component count. Typical applications include high-speed backplanes, memory-mapped systems, and any application where reliable, bidirectional data transfer is essential. The device is designed to minimize signal reflection and crosstalk, contributing to overall system performance and stability. It is well-suited for demanding environments where data integrity is paramount.