74FCT377CTQG

Overview

The IDT74FCT377CTQG is an octal D-type flip-flop featuring positive-edge triggering and three-state outputs. It utilizes advanced CMOS technology to provide high-speed performance with low power consumption, serving as a replacement for older ABT logic functions. The device operates within a standard voltage range and supports industrial temperature conditions. Packaged in a 20-pin QSOP format, it includes hold mode functionality for data retention during clock transitions.

Feature Summary

• Positive-edge triggered octal D-type flip-flop architecture
• Three-state output capability for bus interfacing
• Advanced CMOS technology for high speed and low power
• Hold mode support for stable data storage

Applications

• Temporary data storage in digital systems
• Memory address latching applications
• I/O port buffering and interface control
• Bus driver implementations requiring tri-state isolation

Procurement Notes

Verify the specific suffix CTQG against official Renesas or IDT documentation to confirm package type and temperature grade. Ensure compatibility with existing system voltage levels and load requirements before integration. Cross-reference manufacturer part numbers as IDT assets are managed by Renesas Electronics. Confirm availability status through authorized distributors.

Selection Notes

Select this component when an octal flip-flop with tri-state outputs is required for synchronous data handling. Consider the positive-edge trigger characteristic for timing alignment. Evaluate the QSOP package constraints for PCB layout. Compare propagation delay specifications against system clock speeds to ensure signal integrity meets design thresholds.

Part Context

This device belongs to the FCT series of fast CMOS logic components. The series is designed to offer improved performance over traditional TTL equivalents while maintaining CMOS power efficiency. The 74FCT377 variant specifically provides eight independent flip-flops, making it suitable for wide data path applications requiring parallel storage and controlled output driving capabilities.

Replacement Considerations

IDT74FCT377CTQG may be replaced by IDT74FCT377ATQG or IDT74FCT377ETQG depending on required speed grades. Verify pinout compatibility and electrical characteristics such as output drive strength and leakage currents. Consult official substitution guides from Renesas Electronics for validated alternatives.