74FCT373ATSOG

Latches Overview

The IDT74FCT373ATSOG is an octal transparent D-type latch manufactured by Integrated Device Technology Inc. It operates within a voltage range of 4.5V to 5.5V and supports an industrial temperature range from -40°C to +85°C. The device features true TTL input and output compatibility, with typical propagation delays of 13ns for the A-grade variant. Output drivers provide balanced currents of ±24mA, ensuring low ground bounce and reduced system switching noise.

Latches Feature Summary

• Octal transparent latch architecture for temporary data storage
• True TTL input and output compatibility
• Balanced output drivers with ±24mA capability
• Low input and output leakage characteristics

Latches Applications

• Memory address latching
• I/O port implementation
• Bus driver applications

Latches Procurement Notes

Verify the specific grade suffix (A, C, or standard) against project requirements, as performance metrics like propagation delay vary between grades. Confirm the SOIC-20 package dimensions match the PCB footprint. Ensure the supply voltage aligns with the specified 4.5V to 5.5V operating range to maintain signal integrity and timing specifications.

Latches Selection Notes

Select this component when an octal latch with TTL compatibility is required in a surface-mount form factor. The A-grade version offers faster switching speeds suitable for high-frequency bus applications. Consider the ±24mA drive strength for moderate load conditions. Verify that the industrial temperature range meets environmental constraints compared to commercial variants.

Latches Part Context

This part belongs to the FCT series of FAST CMOS logic devices, designed as high-speed, low-power replacements for older ABT functions. The 74FCT373 specifically provides eight bits of storage with a single enable control. It utilizes advanced dual metal CMOS technology to achieve performance levels comparable to bipolar circuits while maintaining CMOS power efficiency.

Latches Replacement Considerations

Cross-reference with QS74FCT373TS1B for similar functionality from Quality Semiconductor. Verify pinout compatibility and electrical parameters before substitution. Ensure the replacement device supports the same 20-pin SOIC package and industrial temperature range.