CY74FCT162543CTPVC

Overview

The CY74FCT162543CTPVC is a 16-bit registered bus transceiver from the FCT logic series, manufactured by Texas Instruments. It features a 56-pin SSOP package and operates with a supply voltage range of 4.5 V to 5.5 V. The device provides bidirectional data transfer with non-inverting polarity and includes latching functionality for data retention. It supports TTL input and output levels, ensuring compatibility with standard digital logic interfaces.

Feature Summary

• Provides 16-bit bidirectional data transmission capability
• Integrates registered latching for stable data storage during transfer
• Features three-state outputs for effective bus line isolation
• Supports independent control for each data direction

Applications

• High-density memory interface circuits
• Data acquisition systems requiring signal buffering
• Industrial control system communication buses
• Portable equipment with limited power supply constraints

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and check for obsolescence notices, as Cypress products may have transitioned to Texas Instruments manufacturing lines. Ensure the specific suffix matches required packaging and temperature ratings before finalizing procurement orders.

Selection Notes

Select this component when designing systems requiring 16-bit wide data paths with integrated storage. Compare propagation delay specifications against system clock speeds to ensure timing margins are met. Verify that the SSOP-56 package dimensions fit within the available PCB real estate constraints compared to alternative TSSOP or SOIC packages.

Part Context

This part belongs to the CY74FCT family of Fast CMOS logic devices, originally developed by Cypress Semiconductor and later acquired by Texas Instruments. The FCT series is designed to offer performance comparable to older bipolar technologies while maintaining low power consumption typical of CMOS devices. This specific model represents a legacy industrial standard for parallel data handling.

Replacement Considerations

The SN74ALVCH162543 is a recommended modern replacement offering similar functionality with improved electrical characteristics. Verify pinout compatibility and voltage level shifts when substituting older FCT parts with newer ALVCH or LVT families in existing designs.