SN74HC165PW

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SN74HC165PW

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IC SHIFT REG COMP 8BIT 16-TSSOP

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  • メーカー品番 #SN74HC165PW

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仕様

属性
Series 74HC
Part Status Obsolete
Base Product Number 74HC165
Logic Type Shift Register
Output Type Complementary
Number of Elements 1
Number of Bits per Element 8
Function Parallel or Serial to Serial
Voltage - Supply 2V ~ 6V
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Package 16-TSSOP (0.173", 4.40mm Width)
Supplier Device Package 16-TSSOP
Packaging Tube

概要

Description

The SN74HC165PW is a high-speed CMOS 8-bit parallel-load shift register designed for use in a wide range of digital circuits. It is part of the 74HC logic family, known for low power consumption and high noise immunity. The device is used to capture parallel input data and convert it into a serial output, which is useful in expanding input ports of microcontrollers or interfacing with serial communication protocols.
Key features of the SN74HC165PW include a wide operating voltage range from 2V to 6V, ensuring compatibility with various systems. It has a maximum clock frequency of up to 29 MHz at 6V, enabling high-speed operations. The device comes in a TSSOP (Thin Shrink Small Outline Package) with 16 pins, making it suitable for compact circuit designs.
The SN74HC165PW includes a clock input, parallel data inputs, serial output, and complementary clock enable inputs, allowing precise control over the data loading and shifting processes. It is widely used in applications requiring efficient data handling and integration into serial communication setups.

Equivalent

The SN74HC165PW is an 8-bit parallel-in/serial-out shift register made by Texas Instruments. Equivalent products include:
1. CD74HC165 by Texas Instruments.
2. MC74HC165 by ON Semiconductor.
3. 74HC165 by Nexperia.
4. HEF4050B by Nexperia.
5. MM74HC165 by Fairchild Semiconductor (now part of ON Semiconductor).
Ensure to verify the specifications and pin compatibility before substituting, as there could be slight variations across manufacturers.

Features

The SN74HC165PW is a parallel-in/serial-out shift register, designed for a wide range of applications. Key features include:
1. Operating Voltage: It supports a wide operating voltage range from 2V to 6V, making it versatile for different power requirements.
2. High-Speed Operation: It is capable of operating at high speeds, suitable for data storage or transfer applications.
3. Low Power Consumption: Designed for low power consumption, which is beneficial in battery-operated devices.
4. Input and Output Compatibility: Compatible with CMOS and TTL logic levels, ensuring flexibility in interfacing with other devices.
5. Parallel Load Capability: Allows parallel loading of data, enhancing efficiency in data handling.
6. Tri-State Outputs: Features tri-state outputs for easy bus interfacing.
7. Wide Temperature Range: Operates effectively over a wide temperature range, typically from -40°C to 85°C, suitable for various environments.
8. Package Type: Available in TSSOP package, facilitating compact and space-efficient designs.
These characteristics make the SN74HC165PW ideal for applications requiring efficient data management and logic-level compatibility.

Pinout

The SN74HC165PW is a 16-pin device. It is an 8-bit parallel-in/serial-out shift register. This integrated circuit captures data from parallel inputs and shifts it out serially, making it useful for expanding input ports in microcontroller applications.
Here is a brief description of its pin functions:
1. Pins 1-7, 15 (A-H): Parallel data inputs.
2. Pin 8 (GND): Ground.
3. Pin 9 (Q7): Serial output of the shift register.
4. Pin 10 (CLK INH): Clock inhibit; when high, it inhibits clock input to prevent data shifting.
5. Pin 11 (CLK): Clock input for shifting data.
6. Pin 12 (LOAD/SH): Load input; when low, data from A-H is loaded into the shift register. When high, the device is in shift mode.
7. Pin 13 (SER): Serial data input, used for cascading multiple shift registers.
8. Pin 14 (Q7’): Complementary serial output, used for cascading.
9. Pin 16 (VCC): Supply voltage.
This configuration allows the SN74HC165PW to capture and shift data effectively in digital circuits.

Manufacturer

The manufacturer of the SN74HC165PW is Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of integrated circuits and electronic components. They are one of the largest producers of analog and embedded processing chips, serving various industries such as automotive, industrial, personal electronics, communications, and enterprise systems. TI is known for its extensive portfolio of products that include microcontrollers, processors, amplifiers, data converters, and more. The company is headquartered in Dallas, Texas, and has a long history of innovation in the electronics industry.

Application

The SN74HC165PW is an 8-bit parallel-in/serial-out shift register commonly used in digital electronics. Its application areas include expanding microcontroller input pins by converting parallel input data from sensors or switches into serial data, which conserves microcontroller I/O resources. It's also used in digital communication systems for data serialization, in data acquisition systems for efficient data transfer, and in interfacing with keyboards, where it reads multiple key states simultaneously. Additionally, it finds use in industrial control systems for monitoring multiple signal inputs and in consumer electronics for various control functions. The SN74HC165PW's ability to efficiently handle multiple data lines makes it versatile for numerous applications requiring data buffering and transmission.

Package

The SN74HC165PW is a parallel-in/serial-out shift register from Texas Instruments. It comes in a TSSOP (Thin Shrink Small Outline Package) with 16 pins. This package type is known for being compact and suitable for space-constrained applications.

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