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74HC164 Serial-in/Parallel-Out 8-Bit Shift Register IC

SKU: LYXQPLI2EL
The 74HC164 is a high-speed CMOS 8-bit Serial-In Parallel-Out (SIPO) Shift Register IC designed for expanding digital output capabilities in microcontroller and digital logic applications. It accepts serial data at its input and converts it into eight parallel outputs, allowing multiple outputs to be controlled using only a few microcontroller pins. Built using advanced CMOS technology, the 74HC164 offers low...
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Specifications

Specifications:

IC Type: Serial-In Parallel-Out Shift Register
Model: 74HC164
Logic Family: High-Speed CMOS (HC)
Package Type: DIP-14
Number of Bits: 8-Bit
Input Type: Serial Data Input
Output Type: Parallel Outputs
Serial Inputs: 2 (A and B)
Parallel Outputs: 8 (Q0 to Q7)
Reset Type: Asynchronous Master Reset
Supply Voltage Range: 2V to 6V DC
Recommended Operating Voltage: 5V DC
Logic Compatibility: CMOS and TTL Compatible
Propagation Delay: Typically 16ns
Maximum Clock Frequency: Up to 36MHz
Output Drive Capability: ±5.2mA Typical
Power Consumption: Very Low
Operating Temperature Range: -40°C to +85°C
Storage Temperature Range: -65°C to +150°C
Mounting Type: Through-Hole

Additional Resources

74HC164.PDF

FAQ

1. What is the 74HC164 used for?

The 74HC164 is used to convert serial data into parallel outputs, allowing microcontrollers to control multiple outputs using only a few pins.

2. How many outputs does the 74HC164 provide?

The IC provides 8 parallel outputs (Q0 to Q7) that can be controlled through a serial data stream.

3. Can multiple 74HC164 ICs be connected together?

Yes, multiple 74HC164 shift registers can be cascaded to expand the number of available outputs.

4. What is the function of the Master Reset pin?

The Master Reset (MR) pin asynchronously clears all outputs, resetting the shift register regardless of the clock signal.

5. Is the 74HC164 compatible with Arduino and ESP32?

Yes, the 74HC164 can be easily interfaced with Arduino, ESP32, STM32, Raspberry Pi, and other microcontrollers for output expansion applications.

View full product details

The 74HC164 is a high-speed CMOS 8-bit Serial-In Parallel-Out (SIPO) Shift Register IC designed for expanding digital output capabilities in microcontroller and digital logic applications. It accepts serial data at its input and converts it into eight parallel outputs, allowing multiple outputs to be controlled using only a few microcontroller pins.

Built using advanced CMOS technology, the 74HC164 offers low power consumption, high noise immunity, and fast switching performance. The device features two serial data inputs and an asynchronous master reset input, making it suitable for LED control, display systems, output expansion, data storage, and digital communication applications.

The 74HC164 is widely used with Arduino, ESP32, STM32, Raspberry Pi, and other microcontrollers where additional digital outputs are required without consuming numerous I/O pins.

Key Features

  • 8-bit Serial-In Parallel-Out shift register
  • High-speed CMOS technology
  • Expands microcontroller output capability
  • Eight parallel outputs
  • Dual serial data inputs
  • Asynchronous master reset
  • Low power consumption
  • High noise immunity
  • Fast switching performance
  • Wide operating voltage range
  • TTL-compatible inputs
  • Easy cascading for additional outputs
  • Compact DIP package
  • Ideal for LED and display control applications