74HCT164D

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74HCT164D

Counter Shift Registers 8-BIT SHIFT REGISTER

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Übersicht

Description

The 74HCT164D is an 8-bit serial-in, parallel-out shift register, part of the 74HCT family of digital logic components. It operates with a supply voltage range of 2V to 6V and is designed for high-speed operations, making it compatible with TTL (Transistor-Transistor Logic) levels.
The device features a serial data input (DS), clock input (CLK), and an asynchronous active-low reset (MR) that resets the output to zero. Upon each clock pulse, the data at the serial input is shifted into the register, allowing for data storage and manipulation. The outputs (Q0 to Q7) can be accessed simultaneously in parallel, making it useful for applications such as data communication, LED driving, and digital signal processing.
The 74HCT164D is widely used in digital circuits for tasks like data transfer, temporary data storage, and control signal generation in various electronic applications. Its versatility, coupled with ease of use, makes it a popular choice among engineers and hobbyists.

Features

The 74HCT164D is an 8-bit serial-in/parallel-out shift register with a specific focus on high-speed operation and low power consumption. Key features include:
1. 8-Bit Shift Register: It can shift in data serially and output it in parallel.
2. High-Speed Operation: Typically operates at speeds up to 25 MHz.
3. Low Power: Designed with TTL compatibility, it consumes less power compared to traditional TTL devices.
4. Serial Data Input: Data can be loaded in serially via a single input pin.
5. Parallel Outputs: Eight output pins provide the parallel data.
6. Clock Input: Shifts data on the rising edge of the clock signal.
7. Reset Function: Includes an asynchronous reset to clear the output registers.
8. TTL Compatibility: Compatible with standard TTL logic levels.
9. Wide Supply Voltage Range: Operates from a supply voltage of 4.5V to 5.5V.
This makes the 74HCT164D suitable for applications in digital systems requiring data manipulation and storage.

Package

The 74HCT164D is typically packaged in a dual in-line package (DIP), specifically a 16-pin configuration. It may also be available in other types, such as SOIC or TSSOP, depending on the manufacturer.

Pinout

The 74HCT164D is an 8-bit serial-in/parallel-out shift register with a total of 16 pins. Here is the pin configuration and their functions:
1. Pin 1 (Q7): Output of the 8th bit.
2. Pin 2 (Q6): Output of the 7th bit.
3. Pin 3 (Q5): Output of the 6th bit.
4. Pin 4 (Q4): Output of the 5th bit.
5. Pin 5 (Q3): Output of the 4th bit.
6. Pin 6 (Q2): Output of the 3rd bit.
7. Pin 7 (Q1): Output of the 2nd bit.
8. Pin 8 (Q0): Output of the 1st bit.
9. Pin 9 (GND): Ground.
10. Pin 10 (MR): Master reset (active low).
11. Pin 11 (SER): Serial input for data.
12. Pin 12 (SRCLK): Shift register clock input.
13. Pin 13 (RCLK): Register clock input (latch).
14. Pin 14 (VCC): Power supply (+2V to +6V).
15. Pin 15 (Q7’): Inverted output of the 8th bit.
16. Pin 16 (Q0’): Inverted output of the 1st bit.
The 74HCT164D is widely used in digital circuits for data storage and transfer.

Manufacturer

The 74HCT164D is manufactured by Texas Instruments (TI). Texas Instruments is a global technology company that designs and manufactures semiconductors and various integrated circuits. They are well-known for their analog and embedded processing products, widely used in electronics and communication systems. Established in 1930, TI caters to a diverse range of markets, including automotive, industrial, personal electronics, and communications. They focus on innovation and offer a variety of solutions that facilitate the development of advanced electronic systems.

Application

The 74HCT164D is an 8-bit serial-in, parallel-out shift register primarily used in digital circuits for data storage and transfer, such as in data communication systems, LED displays, and control systems. It can also be utilized for driving multiple outputs from a single data line, interfacing with microcontrollers, and implementing digital logic functions in applications like multiplexing and demultiplexing. Its ability to handle high-speed data makes it suitable for various automation and signal processing tasks.

Equivalent

The 74HCT164D is an 8-bit serial-in, parallel-out shift register. Equivalent products include:
1. 74HC164
2. 74LS164
3. 74HCT164
4. 74HC595 (for similar functionality but with storage)
5. 74HC166 (for serial-in, serial-out)
Always verify compatibility based on specific application requirements such as logic levels and speed.

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