CD74ACT646M96

Overview

The CD74ACT646M96 is an octal non-inverting bus transceiver and register from the Texas Instruments 74ACT logic family. It features a registered architecture with three-state outputs, operating within a supply voltage range of 4.5 V to 5.5 V. The device provides a propagation delay of 12.5 ns and supports low-level output currents of 24 mA and high-level output currents of -24 mA. Designed for surface-mount applications, it is housed in a 24-pin SOIC package and functions reliably across an extended temperature range from -55°C to +125°C.

Feature Summary

• Octal registered bus transceiver architecture enabling data storage and directional control
• Three-state outputs for effective bus line isolation and multi-driver configurations
• Non-inverting signal transmission maintaining logical input-output consistency

Applications

• High-speed data buffering and routing on system buses
• Voltage translation between different logic domains
• Registered interface circuits for bidirectional data transfer

Procurement Notes

Verify the specific suffix M96 indicates reel packaging when sourcing. Confirm RoHS compliance status through official manufacturer documentation or authorized distributor datasheets. Ensure the component meets required湿气敏感性等级 (MSL) standards for your assembly process. Cross-reference the manufacturer part number against current obsolescence notices to confirm active production status before finalizing procurement plans.

Selection Notes

Select this component for designs requiring eight-bit registered data latching with bus tri-stating capabilities. The ACT series offers faster switching speeds compared to standard HC logic while maintaining CMOS power efficiency. Verify that the 24-SOIC package dimensions fit the available PCB footprint. Ensure the 4.5V to 5.5V supply voltage aligns with the target system power rails and that TTL-compatible input levels are supported by the driving sources.

Part Context

This part belongs to the Texas Instruments CD74ACT646 series, which comprises octal bus transceivers with registers. The 'ACT' designation signifies Advanced CMOS Technology, providing performance characteristics intermediate between standard AC and fast AC logic families. The base model CD74ACT646 is available in various packages, with the M96 variant specifically denoting the SOIC-24 form factor supplied in tape-and-reel format for automated assembly.

Replacement Considerations

CD74ACT646M is a parameter-equivalent alternative from Texas Instruments. MC74ACT646DWG and MC74ACT646DWR2G are offered as substitutes by onsemi.