74HC595

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The 74HC595 is an 8-bit serial shift register with storage register and tri-state parallel output.

Quick pinout (DIL-16):

  1. QB
  2. QC
  3. QD
  4. QE
  5. QF
  6. QG
  7. QH
  8. GND
  9. QH': serial out
  10. SRCLR: storage register clear
  11. SRCLK: storage register clock
  12. RCLK: register clock (latch)
  13. OE: output enable
  14. SER: serial in
  15. QA
  16. VCC

both clocks are positive edge triggered

Location: Somewhere (probably somewhere in the racks on top of the soldering table)

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