DM74ALS563AWM

Latches Overview

The DM74ALS563AWM is an octal transparent latch manufactured by Fairchild Semiconductor, belonging to the Advanced Low-power Schottky (ALS) logic family. It features eight D-type latches with inverting outputs and three-state capabilities, housed in a 20-lead Small Outline Integrated Circuit (SOIC) package. The device operates within a supply voltage range of 4.5 V to 5.5 V and supports a propagation delay of approximately 19 ns at 4.5 V. It provides high-level output current of -2.6 mA and low-level output current of 8 mA, functioning reliably across temperatures from 0°C to +70°C.

Latches Feature Summary

• Contains eight independent D-type transparent latches configured for data storage applications
• Features three-state outputs controlled by a common enable input for bus isolation
• Utilizes advanced oxide-isolated ion-implanted Schottky TTL process technology

Latches Applications

• Asynchronous bidirectional data buses
• Microprocessor systems memory interfacing
• Parallel data storage registers

Latches Procurement Notes

Verify the specific suffix 'AWM' against official Fairchild or onsemi datasheets to confirm the SOIC-20 package and lead-free status. Confirm that the component matches the DM74ALS563A functional specification. Check for obsolescence notices as this series may be discontinued. Ensure the manufacturer source is authentic, as distributors may list obsolete inventory.

Latches Selection Notes

Select this component when designing systems requiring octal data latching with bus drive capability. It serves as a functional equivalent to standard 74ALS563 devices. Consider the 19 ns propagation delay and 8 mA sink current for timing and load requirements. Verify compatibility with existing ALS logic families in the design.

Latches Part Context

This part belongs to the DM74ALS563A Octal 3-State Latch family. It is functionally compatible with other 74ALS series components. The device is designed for use in memory and microprocessor systems where reliable data retention and bus control are required. It shares pinouts with similar octal latch configurations.

Latches Replacement Considerations

Direct substitutes include the DM74ALS563AM variant. Cross-reference with other manufacturers' 74ALS563 equivalents if sourcing from alternative suppliers. Verify pinout compatibility before substitution.