Accessible pinout for 74HC595

Part description: 8-bit serial in/out Shift Register 3-State Outputs

Package description: This package has two parallel rows of pins extending down from opposite edges of the chip.

There should be a semicircular notch that you can feel in the middle of one of the package's shorter bare edges. With the pins facing downward and the chip oriented so notch is on the side of the chip furthest from you, Pin 1 will be in the far left corner of the chip.

Pins are numbered counter-clockwise. Numbers increase from the far left corner to the near left corner. They then continue on the right side, increasing from the near right corner to the far right corner. Thus the highest number pin is to the right of pin 1.

Pin assignments

Left side (numbering starts at far end)

Pin Signals
1QB
2QC
3QD
4QE
5QF
6QG
7QH
8GND

Right side (numbering starts at near end)

Pin Signals
9QH'
10SRCLR (active low)
11SRCLK
12RCLK
13OE (active low)
14SER
15QA
16VCC

This pinout was automatically generated from the KiCAD symbol library revision 164574.

It is possible that there may be a mistake in the source data leading to wrong information on this page.