Description
The SN74HC595 is a high-speed 8-bit shift register IC with serial-in and parallel or serial-out capability, perfect for expanding outputs in microcontroller projects using minimal GPIO pins.
With its compact SOP16 surface-mount package, this chip is ideal for embedded designs, LED displays, and data logging systems.
You can daisy-chain multiple 74HC595s to control dozens of outputs using just 3 microcontroller pins!
- Product: SN74HC595D – 8-bit Shift Register
- Logic Family: HC Series
- Function: Serial-in, serial/parallel-out shift register with output latches
- Bits: 8
- Package Type: SOP16 (Surface Mount)
- Pin Count: 16
- Output Type: 3-State High-Current
- Power Supply: 2V to 6V (2.5V / 3.3V / 5V typical)
- Propagation Delay Time: 285ns
- Temperature Range: -55°C to +125°C
- Quantity: 5 pieces
Key Features:
- 8-bit serial-in, serial/parallel-out functionality
- 3-state outputs can drive up to 15 LSTTL loads
- Low power consumption and high-speed operation
- Ideal for controlling LEDs, displays, or digital outputs
- SOP16 SMD package – compact and reliable
- Suitable for cascading to control more outputs
- Wide supply voltage compatibility (2V–6V)
- Supports microcontrollers including Arduino, ESP32, STM32, etc.
What’s Included:
- 5x SN74HC595 SOP16 Surface Mount Shift Register ICs
Great For:
- Expanding digital outputs on Arduino / Raspberry Pi
- LED matrix and 7-segment display control
- Serial-to-parallel data conversion
- Logic design and shift register experiments
- Robotics, automation, and embedded control systems
- Compact SMD designs for production or prototyping
Usage Tips:
- Use with shiftOut() in Arduino for easy control
- Daisy-chain multiple chips for 16, 24, 32+ output lines
- Outputs are latched and updated on clock signal
- 3-state outputs can be disconnected from the bus when needed
- Add decoupling capacitors for stable operation in digital circuits

