SN74HC157N

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SN74HC157N

+Nomenclature

IC MULTIPLEXER 4 X 2:1 16-PDIP

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Spécifications

Attribut Valeur
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

Présentation

Description

The SN74HC157N is a high-speed CMOS quad 2-line to 1-line data selector/multiplexer integrated circuit (IC) from Texas Instruments. It efficiently routes data from two separate input lines to a single output line based on a select signal, providing versatility in digital electronics applications. Each multiplexer in the IC has two inputs, a selection input, and an output, allowing for easy data management and multiplexing in circuits.
Key features include:
- Wide operating voltage range: 2V to 6V
- High-speed operation with low power consumption
- TTL-compatible inputs for easy interfacing with other logic families
- Typical propagation delay: 14 ns at 5V
- Low input current: 1 µA maximum
The SN74HC157N is used in applications requiring data routing, multiplexing, and signal management, making it suitable for use in computer systems, digital signal processing, and communication circuits. It is available in a 16-pin DIP (Dual In-line Package), enabling straightforward integration into breadboards and PCB designs. Its reliability and performance make it a popular choice in various industries.

Equivalent

The SN74HC157N is a quad 2-to-1 line data selector/multiplexer. Equivalent products include:
1. CD74HC157E from Texas Instruments
2. MC74HC157N from ON Semiconductor
3. HCF40157BEY from STMicroelectronics
4. 74HC157D from Nexperia
5. TC74HC157AP from Toshiba
These alternatives offer similar functionality and are part of the HC logic family, ensuring compatibility with the SN74HC157N in most applications. Always verify specific pin configurations and electrical characteristics before substituting.

Features

The SN74HC157N is a high-speed CMOS quad 2-to-1 line data selector/multiplexer. Here are some of its key features:
1. Logic Family: HC (High-speed CMOS).
2. Inputs: Quad 2-input channels.
3. Outputs: One channel output per data selector.
4. Data Rate: High-speed operation with low power consumption.
5. Supply Voltage: Typically operates at 2V to 6V.
6. Input Compatibility: TTL-compatible inputs.
7. Control: Includes a common select input and an enable input.
8. Propagation Delay: Low propagation delays.
9. Power Consumption: Low power dissipation.
10. Temperature Range: Operates over a wide temperature range from -40°C to 85°C.
11. Package Type: Available in a 16-pin DIP (Dual In-line Package).
These features make the SN74HC157N suitable for applications requiring multiplexing of digital signals with high-speed and low-power requirements, such as data routing in digital systems.

Pinout

The SN74HC157N is a 16-pin integrated circuit that functions as a quad 2-to-1 multiplexer. It allows digital data from two sources to be directed to a single output line. The pin configuration is as follows:
1. Pin 1 (1C): Control input for the first multiplexer.
2. Pin 2 (1A): Data input A for the first multiplexer.
3. Pin 3 (1B): Data input B for the first multiplexer.
4. Pin 4 (1Y): Output for the first multiplexer.
5. Pin 5 (2C): Control input for the second multiplexer.
6. Pin 6 (2A): Data input A for the second multiplexer.
7. Pin 7 (2B): Data input B for the second multiplexer.
8. Pin 8 (GND): Ground.
9. Pin 9 (2Y): Output for the second multiplexer.
10. Pin 10 (3C): Control input for the third multiplexer.
11. Pin 11 (3A): Data input A for the third multiplexer.
12. Pin 12 (3B): Data input B for the third multiplexer.
13. Pin 13 (3Y): Output for the third multiplexer.
14. Pin 14 (4C): Control input for the fourth multiplexer.
15. Pin 15 (4A): Data input A for the fourth multiplexer.
16. Pin 16 (4B): Data input B for the fourth multiplexer.
17. Pin 16 (VCC): Positive supply voltage.
The SN74HC157N is used in digital circuits for data routing based on control signals.

Manufacturer

The SN74HC157N is manufactured by Texas Instruments (TI). Texas Instruments is a global technology company headquartered in Dallas, Texas, known for designing and manufacturing semiconductors and integrated circuits. TI is one of the largest semiconductor companies in the world and plays a vital role in the electronics industry. The company produces a wide range of products, including analog chips, embedded processors, and digital light processing (DLP) technology. TI serves various markets, including automotive, industrial, personal electronics, communications, and enterprise systems, making it a key player in advancing technology and innovation across multiple sectors.

Application

The SN74HC157N is a high-speed CMOS quad 2-to-1 multiplexer. It is commonly used in applications such as data routing, signal selection, and digital switching. It's useful in digital systems for routing data from multiple sources to a single output line, effectively allowing the selection of data paths. This makes it suitable for use in microprocessor systems, communication systems, and other digital electronics where efficient data management is crucial. Additionally, it can be employed in arithmetic operations, data acquisition systems, and in control circuits where multiplexing multiple signals into one line is necessary. Its low power consumption and high-speed performance enhance its versatility in various electronic applications.

Package

The SN74HC157N is a quad 2-input multiplexer IC manufactured by Texas Instruments. It comes in a Dual In-line Package (DIP) with 16 pins. This package type is suitable for through-hole mounting on printed circuit boards.