SN74HC157DR

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SN74HC157DR

IC MULTIPLEXER 4 X 2:1 16SOIC

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Spécifications

Package Tape & Reel (TR),Cut Tape (CT)
Series 74HC
ProductStatus Active
Type Multiplexer
Circuit 4 x 2:1
IndependentCircuits 1
Current-OutputHighLow 7.8mA, 7.8mA
VoltageSupplySource Single Supply
Voltage-Supply 2V ~ 6V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 16-SOIC (0.154, 3.90mm Width)

Vue d'ensemble

Description

The SN74HC157DR is a high-speed quad 2-input multiplexer (MUX) designed for digital applications. It belongs to the Texas Instruments 74HC series, which features CMOS technology, enabling low power consumption and high noise immunity. The device includes four independent 2-input MUXes, each capable of selecting one of two inputs based on a control signal.
Key features include:
- Voltage Range: Operates at a supply voltage of 2V to 6V.
- Speed: Can switch at speeds up to 3.5 ns at 5V.
- Low Power: Offers low static and dynamic power consumption.
- Logic Compatibility: Compatible with standard CMOS and TTL logic levels.
- Package: Available in a 16-pin TSSOP (Thin Shrink Small Outline Package) form factor.
The SN74HC157DR is widely used in applications such as data routing, signal multiplexing, and digital signal processing, making it a versatile choice for engineers and designers in various electronic projects.

Features

The SN74HC157DR is a quad 2-input multiplexer that offers several key features:
1. Logic Family: It belongs to the High-Speed CMOS (HC) series, providing low power consumption and high-speed operation.
2. Functionality: It contains four 2-input multiplexers, allowing one of two inputs to be selected and routed to a common output.
3. Wide Voltage Range: Operates with a supply voltage from 2V to 6V, making it versatile for various applications.
4. High Speed: Typical propagation delays are low, enabling fast switching times ideal for digital applications.
5. Low Power Dissipation: Consumes minimal power during operation, which is essential for battery-powered devices.
6. TTL-Compatible: Outputs are compatible with TTL input levels, facilitating integration with other digital circuits.
7. Pin Configuration: Available in a 16-pin SOIC package (DR) for easy integration into circuit designs.
These features make the SN74HC157DR suitable for data routing, signal multiplexing, and other digital logic applications.

Package

The SN74HC157DR is packaged in a 16-pin Plastic Dual-In-Line Package (DIP) form factor. It features a wide supply voltage range and is suitable for high-speed applications. The "DR" suffix indicates it's a surface mount package, specifically in a Shrink Small Outline Package (SSOP) configuration.

Pinout

The SN74HC157DR is a quad 2-input multiplexer/demultiplexer with a total of 16 pins. Its main function is to route data from multiple input sources to a single output based on the select inputs. Specifically, it has the following pin configuration:
- Pins 1, 3, 5, 7: Outputs (Y0, Y1, Y2, Y3)
- Pins 2, 4, 6, 8: Select inputs (S0, S1, S2, S3)
- Pins 9, 10, 11, 12: Input lines (A0, A1, A2, A3) for each of the multiplexers
- Pin 13: Ground (GND)
- Pin 14: VCC (power supply)
- Pins 15, 16: Additional control pins (EN0, EN1) for enabling/disabling the multiplexers.
This device supports high-speed operation and is commonly used in digital circuits for data routing applications.

Manufacturer

The SN74HC157DR is manufactured by Texas Instruments (TI), a global semiconductor company headquartered in Dallas, Texas. Texas Instruments designs and produces a broad range of analog and embedded processing chips, widely used in electronics, communications, automotive, and consumer products. The company is known for its innovation in the semiconductor industry and offers a diverse portfolio of products, including microcontrollers, processors, and sensors, in addition to logic devices like the SN74HC157DR. TI serves various sectors, providing solutions that enable advancements in technology and electronics.

Application

The SN74HC157DR is a quad 2-input multiplexer that can be used in various applications, including data routing, signal selection, and digital circuit design. It is often employed in communication systems, data acquisition, and memory selection, as well as in logic functions and switching applications. Its capability to handle multiple data inputs makes it useful in designing complex digital systems where efficient data management is essential.

Equivalent

The SN74HC157DR is a quad 2-input multiplexer. Equivalent products include:
1. 74HC157 - Standard version.
2. 74HC153 - Dual 4-input multiplexer (similar functionality).
3. 74HCT157 - TTL-compatible version.
4. MC74HC157 - Motorola equivalent.
5. 74LS157 - Low-power Schottky version.
Always verify specifications and pin configurations for compatibility.

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FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

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