MC74VHCT573ADW

Latches Overview

The MC74VHCT573ADW is an octal transparent latch manufactured by onsemi, belonging to the VHCT logic series. It features eight D-type latches with three-state outputs and non-inverting polarity. The device operates within a supply voltage range of 2 V to 5.5 V and supports a maximum propagation delay of 9.5 ns at 5 V. It provides a low-level output current of 32 mA and a high-level output current of -8 mA. The component is housed in a 20-pin SOIC-WB package and functions across an operating temperature range from -55 °C to +125 °C.

Latches Feature Summary

• Octal configuration providing eight independent D-type latches for parallel data storage
• Three-state outputs allowing direct connection to bus structures without external drivers
• CMOS VHCT technology enabling TTL-compatible input levels while maintaining CMOS noise immunity

Latches Applications

• Parallel data buffering in digital communication systems
• Registering data in microprocessor-based memory interfaces
• I/O port expansion for embedded control applications

Latches Procurement Notes

Verify the specific suffix against official datasheets to confirm package type and tape/reel specifications. Ensure the ordering code matches the required SOIC-WB variant. Confirm RoHS compliance status through manufacturer documentation prior to procurement.

Latches Selection Notes

Select this component when designing circuits requiring multiple simultaneous data latching operations with bus-compatible outputs. The VHCT series offers superior switching speed compared to standard HCT devices while maintaining compatibility with 5 V logic families. Evaluate thermal dissipation requirements given the wide operating temperature range.

Latches Part Context

This part belongs to the MC74VHCT573A family of octal latches. It serves as a high-speed alternative to legacy 74HC or 74HCT variants, offering improved performance characteristics suitable for modern digital designs requiring reliable data retention and fast transition times.

Latches Replacement Considerations

Cross-reference with MC74VHCT573ADWRG for identical functional specifications in compatible packaging configurations. Verify pinout compatibility before substituting to ensure circuit integrity.