Description
The SN74HC164PW is an 8-bit parallel-out shift register from Texas Instruments, part of the 74HC logic family. It operates using CMOS technology, which provides a good balance between speed and power consumption. This device is designed for a wide range of applications that require serial-to-parallel data conversion or simple data storage.
Key features include:
- Serial Input, Parallel Output: Accepts serial input data and outputs the results in parallel form.
- Clock-Driven: Data shifts on the rising edge of the clock input.
- High-Speed Operation: Capable of operating at high speeds suitable for various digital applications.
- Wide Operating Voltage Range: Typically operates from 2V to 6V.
- Low Power Consumption: Efficient design minimizes power use.
- Configurable: Can be cascaded with other shift registers for expanded functionality.
The SN74HC164PW comes in a TSSOP (Thin Shrink Small Outline Package) form, making it suitable for space-constrained applications. It is commonly used in digital circuits where space and power efficiency are essential, such as in consumer electronics and industrial equipment.
Equivalent
The SN74HC164PW is an 8-bit serial-in, parallel-out shift register. Equivalent products include the CD74HC164, MC74HC164, and NXP's 74HC164. These components are similar in function, offering high-speed CMOS logic capabilities with similar pin configurations and electrical characteristics. Always consult the respective datasheets to verify pin assignments and electrical specifications to ensure compatibility.
Features
The SN74HC164PW is a high-speed, 8-bit parallel-out serial shift register featuring a wide operating voltage range from 2V to 6V, making it suitable for a variety of applications. It is designed for high-speed operation with a typical propagation delay of 18 ns at 5V and can drive 10 low-power Schottky loads. This device is characterized by its ability to perform serial-to-parallel data conversion, taking serial input data and converting it to parallel output. It has two serial data inputs (A and B) that permit the user to choose either input or both for data entry, enhancing flexibility in circuit design.
The SN74HC164PW also includes asynchronous reset functionality, allowing the register to be cleared independently of the clock input, which provides additional control in timing-sensitive applications. It is built in a plastic small-outline (SOIC) package, making it suitable for surface-mount technology (SMT) applications. With its low power consumption, broad voltage range, and high noise immunity, the SN74HC164PW is an adaptable choice for digital systems requiring reliable data conversion.
Pinout
The SN74HC164PW is a 14-pin integrated circuit and functions as an 8-bit serial-in, parallel-out shift register. It features two serial data inputs (A and B) and a clock input (CLK) that determines when data is shifted into the registers. The outputs are Q0 through Q7, representing the parallel output of the 8-bit shift register. The device also has a clear (CLR) pin used to reset the shift register to zero. Power supply connections include VCC and GND. The typical pin assignment is as follows:
1. B (Serial Input)
2. A (Serial Input)
3. CLR (Clear)
4. Q0 (Output)
5. Q1 (Output)
6. Q2 (Output)
7. GND (Ground)
8. Q3 (Output)
9. Q4 (Output)
10. Q5 (Output)
11. Q6 (Output)
12. Q7 (Output)
13. CLK (Clock)
14. VCC (Power Supply)
This IC is commonly used in digital circuits for expanding output lines and creating delay line and data storage applications.
Manufacturer
The SN74HC164PW is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and manufactures a wide range of analog and embedded processing chips. TI's products are used in various electronics, including consumer electronics, automotive systems, industrial equipment, and communications devices. The company is known for its innovation in the semiconductor industry and has a significant presence in research and development, focusing on making electronics more efficient and affordable.
Application
The SN74HC164PW is an 8-bit serial-in, parallel-out shift register commonly used in applications requiring data conversion and storage. It is suitable for digital data processing, display control, and LED driving where serial data needs to be converted to parallel form. This component is often found in microcontroller-based systems, communication systems for buffering and data management, and in expanding I/O ports of microcontrollers. Additionally, it can be used in creating custom logic functions and in signal processing applications. Its versatility makes it ideal for applications in consumer electronics, automotive systems, and industrial controls.
Package
The SN74HC164PW is a shift register IC that comes in a TSSOP-14 (Thin Shrink Small Outline Package) package type. This package features 14 pins and is designed for surface-mount technology applications, offering a compact form factor suitable for space-constrained circuits.