SN74LS164DR

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SN74LS164DR

+BOM

IC SHIFT REGISTER 8BIT 14-SOIC

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Specifications

Attribute Value
Package Tape & Reel (TR),Cut Tape (CT)
Series 74LS
ProductStatus Active
LogicType Shift Register
OutputType Push-Pull
NumberofElements 1
NumberofBitsperElement 8
Function Serial to Parallel
Voltage-Supply 4.75V ~ 5.25V
OperatingTemperature 0°C ~ 70°C
MountingType Surface Mount
Package/Case 14-SOIC (0.154, 3.90mm Width)

Overview

Description

The SN74LS164DR is an 8-bit serial-in, parallel-out shift register from Texas Instruments. It is part of the 74LS series of logic ICs, which are known for their low power consumption and fast switching speeds. This device is used to convert serial data into parallel output, which is useful in applications requiring data conversion or temporary data storage.
Key features of the SN74LS164DR include:
1. Logic Family: 74LS (Low-Power Schottky) for reduced power consumption.
2. Number of Bits: 8 bits, allowing for the storage and shifting of 8-bit data.
3. Data Input: Serial input, which shifts data with each clock pulse.
4. Output: Parallel output, providing access to all 8 bits simultaneously.
5. Clock Input: Controls the timing of data shifting.
6. Clear Function: Resets all outputs to a low state for initializing the device.
7. Package: Available in a 14-pin SOIC package, compact for easy integration.
Typical applications include LED displays, digital data storage, and memory expansion. The SN74LS164DR is valued for its robustness, ease of use, and compatibility with other digital logic systems.

Equivalent

The SN74LS164DR is an 8-bit parallel-out serial shift register. Equivalent products include the 74HC164 and CD4094B. These alternatives offer similar functionality but may vary in logic technology, voltage levels, and performance characteristics. Always compare specific parameters like supply voltage, logic family, and propagation delay to ensure compatibility with your application requirements.

Features

The SN74LS164DR is an 8-bit serial-in, parallel-out shift register. Key features include:
1. Low Power Consumption: The LS series is designed for low power usage, making it suitable for battery-powered applications.
2. High Speed: It supports fast data transfer rates.
3. Serial Input: The data is input serially through a single pin, which simplifies design.
4. Parallel Output: The data can be accessed in parallel, enabling multiple operations simultaneously.
5. Clear Function: A direct clear input is available to reset all outputs to a low state.
6. Cascadable Design: Multiple SN74LS164DRs can be cascaded to create longer shift registers without additional control circuitry.
7. TTL Compatible: It is designed to be compatible with TTL logic levels, ensuring easy integration with other TTL circuits.
8. Wide Operating Temperature Range: It operates reliably over a wide temperature range, making it suitable for various environments.
These features make the SN74LS164DR a versatile component in digital electronics, used in data storage, transfer, and sequencing applications.

Pinout

The SN74LS164DR is an 8-bit parallel-out serial shift register IC. It has a total of 14 pins. Here are the functions of the pins:
1. VCC (Pin 14): This is the power supply pin, where a voltage of typically 5V is supplied.
2. GND (Pin 7): This is the ground pin for the IC.
3. A and B Inputs (Pins 1 and 2): These are the serial data input pins used for feeding data into the shift register.
4. QA to QH Outputs (Pins 3 to 6 and 10 to 13): These are the parallel data output pins representing the 8 bits of the shift register.
5. CLR (Clear, Pin 9): This pin is used to reset the shift register, clearing all bits to 0.
6. CLOCK (Pin 8): This pin is used to provide the clock signal, which shifts the data in the register with each clock pulse.
This IC is used for converting serial input data into parallel output, typically in digital circuits where data needs to be shifted and stored.

Manufacturer

The SN74LS164DR is manufactured by Texas Instruments (TI). Texas Instruments 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 applications, including consumer electronics, automotive systems, industrial machinery, communications equipment, and more. The company is known for its innovation in the semiconductor industry, contributing significantly to advancements in technology with their integrated circuits and other electronic components.

Application

The SN74LS164DR is an 8-bit serial-in, parallel-out shift register used in various applications. It is commonly utilized in digital circuits for data storage, data transfer, and data manipulation tasks. Key application areas include:
1. LED Display Drivers: For controlling multiple LEDs with limited input pins.
2. Data Communication: As a buffer or converter in serial communication interfaces.
3. Digital Signal Processing: For temporary data storage and shifting operations.
4. Instrument Control: In measurement and automation equipment for signal processing.
5. Microcontroller Interfaces: Extending GPIOs or controlling multiple output lines.
Its versatility makes it suitable for any application requiring serial to parallel data conversion.

Package

The SN74LS164DR is an integrated circuit that comes in a SOIC (Small Outline Integrated Circuit) package type. Specifically, the "DR" suffix indicates a 14-pin SOIC package, which is commonly used for surface-mount technology on printed circuit boards.

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