SN74HC595N-NG

Shift Registers Overview

The SN74HC595N is an 8-bit serial-in, parallel-out shift register with a storage register and 3-state outputs. It operates within a supply voltage range of 2 V to 6 V and supports an operating temperature from -40 °C to +85 °C. The device features a direct clear input, separate clocks for the shift and storage registers, and cascading capability via a serial output. Typical propagation delay is 13 ns at 5 V, with maximum power consumption of 80 μA.

Shift Registers Feature Summary

• Contains an 8-bit shift register feeding an 8-bit D-type storage register with parallel 3-state outputs.
• Features separate positive-edge triggered clocks for the shift and storage registers.
• Includes a direct overriding clear input and serial output for cascading multiple devices.

Shift Registers Applications

• Network switches
• Power infrastructure
• LED displays
• Servers

Shift Registers Procurement Notes

Verify that the specific ordering suffix matches the required package type, as the base model number covers multiple physical formats. Confirm RoHS compliance status and lead finish specifications against the manufacturer's current orderable addendum. Ensure the component meets the intended environmental temperature range requirements before finalizing procurement.

Shift Registers Selection Notes

Select this component when a low-drive CMOS solution is needed to minimize bus contention and output ringing. Verify that the load conditions do not exceed the absolute maximum ratings for continuous output current or total device current. Ensure all unused inputs are tied to a defined logic level to prevent undefined operational states.

Shift Registers Part Context

This device belongs to the Texas Instruments HC family of logic integrated circuits. It provides a standard interface for expanding digital I/O capabilities in embedded systems. The PDIP-16 package offers through-hole mounting suitable for prototyping and general-purpose circuit board designs requiring robust mechanical connections.

Shift Registers Replacement Considerations

SN74HC595N.A

Shift Registers FAQ

How does the device handle cascading?

The device includes a serial output (QH') that allows data to be shifted out of one register and into the serial input (SER) of another, enabling the expansion of output ports across multiple units.

What is the function of the OE pin?

The Output Enable (OE) pin controls the state of the parallel outputs. When OE is high, the outputs enter a high-impedance state; when low, the outputs are enabled and driven by the storage register data.