SN74HC157N

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SN74HC157N

IC MULTIPLEXER 4 X 2:1 16-PDIP

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仕様

Series 74HC
Part Status Active
Base Product Number 74HC157
Type Multiplexer
Circuit 4 x 2:1
Independent Circuits 1
Current - Output High, Low 7.8mA, 7.8mA
Voltage Supply Source Single Supply
Voltage - Supply 2V ~ 6V
Operating Temperature -40°C ~ 85°C
Mounting Type Through Hole
Package / Case 16-DIP (0.300", 7.62mm)
Supplier Device Package 16-PDIP

概要

Description

The SN74HC157N is a quad 2-input multiplexer integrated circuit (IC) designed by Texas Instruments. It features four independent 2-input multiplexers that can select one of two input signals (A or B) based on a select input (S). The device operates within the high-speed CMOS (HC) logic family, making it suitable for a wide range of digital applications, including data routing and signal multiplexing.
With a wide supply voltage range of 2V to 6V, the SN74HC157N is compatible with both TTL and CMOS logic levels. Each multiplexer output is determined by the select line, allowing for efficient data handling with minimal pin usage. The IC offers low power consumption and fast switching speeds, making it ideal for high-performance applications.
The SN74HC157N is commonly used in telecommunications, computer systems, and digital signal processing due to its versatility and reliability. It is available in various package types, including DIP and surface-mount configurations, facilitating easy integration into electronic designs.

Features

The SN74HC157N is a quad 2-input multiplexer designed for high-speed applications. Key features include:
1. Quad 2-Input Multiplexer: Four independent multiplexers each with two data inputs.
2. Wide Operating Voltage: Compatible with a supply voltage range of 2V to 6V, suitable for various digital circuits.
3. High-Speed Performance: Typical propagation delays of 4.5 ns at 5V, enabling fast data processing.
4. Low Power Consumption: Reduced power requirement compared to earlier logic families, making it energy-efficient.
5. High Noise Immunity: Enhanced noise margin for reliable operation in noisy environments.
6. TTL Compatible: Compatible with TTL logic levels, allowing integration with other TTL components.
7. Wide Temperature Range: Operates reliably from -40°C to 125°C, suitable for automotive and industrial applications.
8. Pin Configuration: Available in a 16-pin dual in-line package (DIP) for easy mounting.
This versatile multiplexer is ideal for data routing, switching applications, and signal selection in digital circuits.

Package

The SN74HC157N is packaged in a 16-pin Dual In-line Package (DIP). This type of packaging is suitable for through-hole mounting on circuit boards, providing ease of handling and soldering in various electronic applications.

Pinout

The SN74HC157N is a quad 2-input multiplexer (MUX) with a total of 16 pins. The pinout and their functions are as follows:
1. Pin 1 (A1): Input A of the first MUX.
2. Pin 2 (A2): Input A of the second MUX.
3. Pin 3 (B1): Input B of the first MUX.
4. Pin 4 (B2): Input B of the second MUX.
5. Pin 5 (S): Select input for both MUXes.
6. Pin 6 (Y1): Output of the first MUX.
7. Pin 7 (Y2): Output of the second MUX.
8. Pin 8 (GND): Ground.
9. Pin 9 (C): Common select input for both MUXes.
10. Pin 10 (D1): Input D of the third MUX.
11. Pin 11 (D2): Input D of the fourth MUX.
12. Pin 12 (E1): Input E of the third MUX.
13. Pin 13 (E2): Input E of the fourth MUX.
14. Pin 14 (Y3): Output of the third MUX.
15. Pin 15 (Y4): Output of the fourth MUX.
16. Pin 16 (VCC): Supply voltage.
It operates with a 2-input selection allowing for versatile data routing.

Manufacturer

The SN74HC157N is manufactured by Texas Instruments (TI), a globally recognized company that designs and manufactures semiconductor products and various integrated circuits. Founded in 1930 and based in Dallas, Texas, TI is a leader in the field of analog and embedded processing technologies. The company serves a wide range of industries, including automotive, industrial, communications, and consumer electronics. TI is known for its commitment to innovation and quality in electronic components, providing solutions that enhance performance and efficiency in electronic designs.

Application

The SN74HC157N is a quad 2-input multiplexer that finds application in data routing, signal selection, and digital logic functions. It is used in communication systems, data acquisition, automotive electronics, and consumer electronics. Additionally, it aids in functions like multiplexing multiple data lines, implementing data selectors, and managing control signals in various digital circuits.

Equivalent

Equivalent products to the SN74HC157N chip include the 74HC157, 74HCT157, and the MC74HC157. Other alternatives may include the 74AC157 and 74LC157, depending on specific application needs like voltage levels and speed requirements. Always check datasheets for compatibility.

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