MC74HC589ADG

Shift Registers Overview

The MC74HC589ADG is an 8-bit serial/parallel to serial shift register manufactured by onsemi. It belongs to the HC CMOS logic series and features three-state outputs for bus-driven operation. The device operates within a supply voltage range of 2 V to 6 V and supports surface-mount installation in a 16-SOIC package. Propagation delays vary between 30 ns and 175 ns depending on conditions. It functions as a single circuit component with a wide operating temperature range from -55°C to +125°C.

Shift Registers Feature Summary

• Serial-to-parallel conversion capability for data expansion
• Three-state output control for efficient bus interfacing
• CMOS technology ensuring low power consumption

Shift Registers Applications

• Data acquisition systems requiring serial input processing
• Microcontroller peripheral expansion interfaces
• Industrial control signal buffering

Shift Registers Procurement Notes

Verify the specific suffix 'DG' confirms the SOIC-16 package and industrial temperature grade. Confirm RoHS compliance status through official manufacturer documentation, as legacy variants may differ. Ensure the ordering part number matches the exact pinout and electrical specifications required for the target design before finalizing procurement.

Shift Registers Selection Notes

Select this component when an 8-bit shift register with tri-state outputs is required for high-speed digital applications. The HC series offers compatibility with standard TTL logic levels while maintaining CMOS noise immunity. Consider the propagation delay characteristics relative to system clock speeds to ensure timing margins are met during data shifting operations.

Shift Registers Part Context

This component is part of the MC74HC589A family of counter shift registers. It serves as a fundamental building block for sequential logic circuits where data serialization or deserialization is necessary. The device integrates directly into digital systems requiring reliable data storage and transfer capabilities across multiple stages.

Shift Registers Replacement Considerations

MC74HC589ADR2G is listed as a direct substitute.