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Texas Instruments SN74HC595N IC 8-Bit Shift Registers with 3-State Output Registers (Pack of 4)

5.0 (9) Write Review
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$7.35

$ 2 .99 $2.99

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  • 8-Bit Serial-In, Parallel-Out Shift
  • Wide Operating Voltage Range of 2 V to 6 V
  • High-Current 3-State Outputs Can Drive Up To 15 LSTTL Loads
  • Low Power Consumption: 80-microA (Max) ICC
  • Low Input Current: 1 microA (Max)


Prefect for Arduino projects, LED Light Cubes, Scrolling Signs, Robotics, The Atmel AVR Microcontroller Projects, and more. The 74HC595 devices contain an 8 bit serial in, parallel out shift register that feeds an 8 bit D type storage register. The storage register has parallel 3 state outputs. Separate clocks are provided for both the shift and storage register. The shift register has a direct overriding clear (SRCLR) input, serial (SER) input, and serial outputs for cascading. When the output enable (OE) input is high, the outputs are in the high impedance state. Both the shift register clock (SRCLK) and storage register clock (RCLK) are positive edge triggered. If both clocks are connected together, the shift register always is one clock pulse ahead of the storage register.


Chet Alfredo
2025-08-07 13:25:31
These little fellows do a nice job of shifting my bits around.I'm using them for an Arduino project, where I make use of 3 of them to illuminate 20 (potentially up to 24) LEDs. When powering several LEDs or other components via a shift register, be sure to make note of the 50mA power limit of the shift register, and use the appropriate resistors for the LEDs to avoid zapping the shift register when all the lights illuminate simultaneously. You can do the calculations, but I recall that with 8 LEDs in use, it required resistors of at least 550 ohm or more per LED.
wow
2025-08-04 15:36:57
Well packaged, no bent pins. They all worked. Will buy again.
jaffreytech
2025-05-24 11:00:50
Necessary for a breadboard experiment, but don't need a 100 of them;-)
electroman
2025-01-28 18:05:36
Learning Arduino so one project was shift registers. This chip is cost effective, does what it is supposed to, and provided me experience.
SB
2025-01-22 10:21:30
It shifted my bits.
Agentw
2025-01-16 17:17:17
perfect. exactly as promised. thank you so much.
Miguel DeCastro
2025-01-12 15:33:09
They worked as expected. What else can you ask for?
David Osses Mena
2024-11-24 16:31:07
Buen producto
Greg Fraser
2024-11-18 18:58:55
Working perfectly to control LEDs.