74FCT377PCTSO

Overview

The IDT74FCT377PCTSO is an octal D-type flip-flop belonging to the FCT series, manufactured by Integrated Device Technology. It features eight positive-edge-triggered D flip-flops with true outputs and three-state capabilities. The device utilizes CMOS technology and operates within a standard 5V supply voltage range. It is housed in a 20-pin Thin Shrink Small Outline Package (TSOP). Key electrical characteristics include a maximum operating frequency of 83.3 MHz at nominal supply and a load capacitance specification of 50 pF. The component supports industrial temperature ranges and provides high drive output currents.

Feature Summary

• Octal configuration containing eight independent positive-edge-triggered D flip-flops for parallel data storage
• Three-state outputs allowing direct connection to buffered buses without external drivers
• CMOS construction ensuring low power consumption while maintaining TTL logic compatibility
• True output polarity providing non-inverted data presentation from inputs to outputs

Applications

• High-speed parallel data buffering and register stages in digital systems
• Clock synchronization circuits requiring edge-triggered state retention
• Bus interface modules utilizing tri-state control for data direction management
• Industrial control logic processing where CMOS reliability is required

Procurement Notes

Verify the specific suffix PCTSO against manufacturer documentation to confirm package type and temperature grade. Confirm RoHS compliance status as legacy FCT parts may vary. Ensure pinout compatibility with target PCB footprint before integration. Check for obsolescence notices or lifecycle status updates from IDT or current rights holders.

Selection Notes

Select this component when an octal register with tri-state outputs is required for 5V CMOS applications. Compare propagation delay specifications against system timing requirements. Evaluate package availability and lead times relative to production schedules. Consider thermal performance and operating temperature limits for the intended environment.

Part Context

This part belongs to the IDT FCT (Fast CMOS) family, designed as a high-speed replacement for older transistor-transistor logic families. The 74FCT377 variant specifically addresses the need for wide data path storage with bus-compatible outputs. It complements other FCT devices like latches and transceivers in comprehensive logic design architectures.

Replacement Considerations

Cross-reference with Texas Instruments CY74FCT377 variants for pin-compatible alternatives. Verify functional equivalence regarding output drive strength and switching speeds. Check for updated packaging options if surface mount density requirements have changed.