CY74FCT652TQCT

Overview

The CY74FCT652TQCT is an octal bus transceiver with register functionality manufactured by Texas Instruments. It operates within a supply voltage range of 4.75 V to 5.25 V and features three-state outputs. The device accepts TTL input levels and provides TTL output levels. Key electrical parameters include a propagation delay of 9 ns, a low-level output current of 64 mA, and a high-level output current of -32 mA. It consumes 100 uA of operating power and functions reliably across a temperature range from -40°C to +85°C. The component is housed in a 24-pin QSOP package.

Feature Summary

• Integrates bus transceiver and register capabilities for data storage and transfer
• Provides non-inverting signal direction control via three-state outputs
• Compatible with TTL logic input and output voltage standards

Applications

• High-speed data buffering in computer systems
• Clock drivers and buffer circuits
• Memory module data line interfacing

Procurement Notes

Verify the specific suffix codes against official datasheets to confirm package type and moisture sensitivity level. Ensure compatibility with system voltage requirements before integration. Check RoHS compliance status as indicated in manufacturer documentation. Confirm lead times and availability through authorized distributors. Validate that the ordering part number matches the required functional specifications exactly.

Selection Notes

Select this component when an octal bus interface with internal latching is required. It suits applications needing fast switching speeds and strong drive capability. Consider the 24-pin QSOP package constraints for PCB layout. Verify that the 5V logic family aligns with existing system architecture. Evaluate thermal performance within the specified operating temperature range.

Part Context

This part belongs to the Texas Instruments FCT logic series, designed for high-speed CMOS applications. It serves as a registered transceiver, combining bidirectional data flow with storage. The FCT family targets performance improvements over standard LS logic while maintaining pin compatibility. It is widely used in digital communication and processing systems requiring reliable data handling.

Replacement Considerations

Consult official substitution guides for compatible parts. Verify pinout and electrical characteristics match before replacement.