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SN74LVC157A from TI,Texas Instruments

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SN74LVC157A

Manufacturer: TI

Quadruple 2-Line To1-Line Data Selector / Multiplexer

Partnumber Manufacturer Quantity Availability
SN74LVC157A TI 272 In Stock

Description and Introduction

Quadruple 2-Line To1-Line Data Selector / Multiplexer The SN74LVC157A is a quad 2-input multiplexer manufactured by Texas Instruments. Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Manufacturer:** Texas Instruments  

### **Description:**  
The SN74LVC157A is a high-performance CMOS logic device that functions as a quad 2-input multiplexer. It selects one of two data inputs (A or B) based on the select input (S) and provides the selected data at the output (Y).  

### **Key Features:**  
- **Supply Voltage Range:** 1.65V to 3.6V  
- **High-Speed Operation:** 4.3 ns max propagation delay at 3.3V  
- **Low Power Consumption:** 10 µA maximum ICC  
- **Input/Output Tolerance:** 5V-tolerant inputs and outputs  
- **Output Drive Capability:** ±24 mA at 3.3V  
- **ESD Protection:** Exceeds 2000V per JESD 22  
- **Package Options:** SOIC, TSSOP, PDIP, and other industry-standard packages  
- **Operating Temperature Range:** -40°C to +85°C  
- **Logic Type:** CMOS  

### **Functionality:**  
- **Select Input (S):** Determines which input (A or B) is routed to the output (Y).  
- **Enable Input (G):** When active low, enables the multiplexer; when high, outputs are in a high-impedance state.  
- **Four Independent Multiplexers:** Each with two inputs and one output.  

This device is commonly used in data routing, signal selection, and digital logic applications where low-voltage, high-speed operation is required.  

Would you like additional details on pin configurations or truth tables?

Application Scenarios & Design Considerations

Quadruple 2-Line To1-Line Data Selector / Multiplexer

Alternative Part Number

  • 74LVC157APW --: Quad 2-input multiplexer in the same LVC logic family with equivalent function and pinout, available from a second source.
  • MC74LCX157 --: LCX-series quad 2-input multiplexer offering comparable speed and drive characteristics as a functional replacement.
  • 74LVC157A --: Pin-compatible quad 2-input multiplexer from an alternate vendor, suitable as a drop-in second-source option.
  • 74LVC157AD --: Same LVC157A function from an alternate vendor with a different series prefix, suitable as a drop-in logic replacement.

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