SN74AHCT595N

Shift Registers Overview

The SN74AHCT595N is an 8-bit serial-in, parallel-out shift register with 3-state output registers manufactured by Texas Instruments. It operates within a supply voltage range of 4.5V to 5.5V and supports an operating temperature from -40°C to 125°C. The device features TTL-voltage compatible inputs and includes a direct clear input for the shift register. Both the shift register clock (SRCLK) and storage register clock (RCLK) are positive-edge triggered. The component is housed in a 16-pin PDIP package.

Shift Registers Feature Summary

• Contains an 8-bit serial-in, parallel-out shift register feeding an 8-bit D-type storage register
• Features TTL-voltage compatible inputs for system interfacing
• Includes a direct overriding clear input for the shift register
• Provides 3-state outputs controlled by an output-enable pin

Shift Registers Applications

• Network switches
• Power infrastructures
• LED displays
• Servers

Shift Registers Procurement Notes

Verify the specific ordering suffix against the manufacturer's current Package Option Addendum to confirm active production status and packaging details. Ensure the selected variant matches the required thermal and environmental specifications for the intended application environment.

Shift Registers Selection Notes

Select this component when an 8-bit shift register with 3-state outputs and TTL-compatible inputs is required. Verify that the 4.5V to 5.5V supply voltage range aligns with the system power architecture. Confirm that the PDIP-16 package form factor fits the board layout constraints.

Shift Registers Part Context

This device belongs to the SNx4AHCT595 family of 8-bit shift registers. It is part of the AHCT logic series designed for CMOS technology with TTL-compatible input levels. The family includes various package options such as SOIC, SSOP, TSSOP, and WQFN, alongside the PDIP variant.

Shift Registers Replacement Considerations

SN74AHCT595DR

Shift Registers FAQ

How does the output-enable (OE) pin function?

When the OE input is high, the outputs QA through QH enter a high-impedance state. When OE is low, the outputs are enabled.

What is the purpose of the SRCLR input?

The SRCLR input provides a direct override to clear the shift register, resetting its state regardless of the clock signals.