MC74VHC595D

Shift Registers Overview

The MC74VHC595D is an advanced high-speed 8-bit shift register with an output storage register, fabricated using silicon gate CMOS technology. It operates within a voltage range of 2 V to 5.5 V and features three-state parallel outputs. The device supports serial data input and provides both serial and parallel data outputs. It includes separate clocks for the shift register and storage register, along with an asynchronous reset function. The component is designed for balanced propagation delays and offers high noise immunity.

Shift Registers Feature Summary

• High-speed operation with typical maximum frequency of 185 MHz at 5 V supply
• Low power dissipation with maximum ICC of 4 µA at 25°C
• High noise immunity with VNIH and VNIL specified at 28% of VCC
• Power-down protection provided on all inputs

Shift Registers Applications

• General-purpose serial-to-parallel data conversion in digital systems
• Interface applications between microprocessors and peripheral devices
• Display driver circuits requiring latch functionality
• Cascading configurations for expanded I/O capabilities

Shift Registers Procurement Notes

Verify the specific ordering suffix against the manufacturer's current datasheet to confirm package type and tape/reel specifications. Ensure the part number matches the required RoHS compliance status and lead-free characteristics. Confirm that the procurement source provides valid traceability documentation for the silicon gate CMOS fabrication process.

Shift Registers Selection Notes

Select this component when an 8-bit shift register with storage capability is required in a 2 V to 5.5 V environment. Consider its high noise immunity and low power consumption for battery-operated or noise-sensitive designs. Verify compatibility with existing logic families if pin-for-pin replacement is needed. Check operating temperature ranges against system requirements.

Shift Registers Part Context

This device belongs to the 74VHC series of high-speed CMOS logic components from onsemi. It is functionally compatible with other standard logic families while offering improved speed and lower power consumption. The 74VHC series is widely used in modern digital electronics where performance and efficiency are critical.

Shift Registers Replacement Considerations

Direct substitutes include MC74VHC595DR2G and MC74VHC595DT. Verify package dimensions and pinout compatibility before substitution. Ensure electrical parameters such as propagation delay and supply voltage range match the original design requirements.