74HC595DG

Shift Registers Overview

The onsemi 74HC595DG is an 8-bit serial-input/parallel-output shift register with latched 3-state outputs. It operates within a DC supply voltage range of 2.0 to 6.0 V and supports a maximum clock frequency up to 35 MHz at 6.0 V. The device features asynchronous reset, independent shift and latch clocks, and provides 15 LSTTL loads drive capability. It interfaces directly with SPI ports and includes ESD protection exceeding 2000 V HBM.

Shift Registers Feature Summary

• Provides 8-bit serial-to-parallel conversion with separate shift and storage registers
• Features 3-state parallel outputs for direct bus interfacing
• Includes asynchronous active-low reset for the shift register
• Supports cascading via dedicated serial output pin

Shift Registers Applications

• Serial data port interfacing for CMOS microprocessors and microcontrollers
• LED display and indicator control systems
• General-purpose I/O expansion in embedded designs
• Data buffering and latch applications

Shift Registers Procurement Notes

Verify the 'D' suffix corresponds to the SOIC-16 package (Case 751B) and confirm the 'G' marking indicates a lead-free compliant device. Ensure the specific revision matches the required operating temperature range of -55°C to +125°C. Cross-reference ordering information to validate shipping configurations such as tape and reel quantities if applicable.

Shift Registers Selection Notes

Select this component when SPI interface compatibility and high noise immunity are required. It is suitable for applications needing low input current and symmetrical output impedance. Verify that the 2.0 V to 6.0 V operating range aligns with the system power supply. Consider the 35 MHz maximum frequency limit for high-speed timing requirements.

Shift Registers Part Context

Manufactured by onsemi (formerly Semiconductor Components Industries, LLC), this part belongs to the 74HC series of high-speed CMOS logic devices. It is designed to be pin and function compatible with standard 74 series 595 devices while offering improved propagation delays and lower quiescent power consumption compared to earlier iterations.

Shift Registers Replacement Considerations

Compatible substitutes include the SN74HC595 and MM74HC595. These alternatives maintain identical pinouts and functional specifications. Verify that any replacement device meets the same JEDEC standards and ESD performance ratings.