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SN74LVC257A from TI,Texas Instruments

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SN74LVC257A

Manufacturer: TI

Quadruple 2-Line To 1-Line Data Selector/Multiplexer With 3-State Outputs

Partnumber Manufacturer Quantity Availability
SN74LVC257A TI 16 In Stock

Description and Introduction

Quadruple 2-Line To 1-Line Data Selector/Multiplexer With 3-State Outputs The SN74LVC257A is a quad 2-line to 1-line data selector/multiplexer manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type:** Data Selector/Multiplexer  
- **Number of Circuits:** 4  
- **Number of Inputs:** 2 per multiplexer  
- **Output Type:** 3-State  
- **Supply Voltage Range:** 1.65V to 3.6V  
- **High-Level Output Current:** -24mA  
- **Low-Level Output Current:** 24mA  
- **Propagation Delay Time:** 4.3ns (typical at 3.3V)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Options:** SOIC, TSSOP, PDIP  

### **Descriptions:**  
The SN74LVC257A is designed for 1.65V to 3.6V VCC operation and features non-inverting outputs. It selects one of two data inputs (A or B) based on the select (S) input and provides the selected data in true (non-inverted) form at the outputs. The outputs are in a high-impedance state when the output enable (OE) input is high.  

### **Features:**  
- **Wide Operating Voltage Range:** 1.65V to 3.6V  
- **3-State Outputs for Bus-Oriented Applications**  
- **Supports Mixed-Mode Voltage Operation**  
- **Low Power Consumption (ICC = 10μA max)**  
- **Ioff Supports Partial-Power-Down Mode**  
- **Latch-Up Performance Exceeds 250mA per JESD 17**  
- **ESD Protection Exceeds JESD 22 (2000V HBM, 1000V CDM)**  

This device is commonly used in digital systems for data routing, signal gating, and bus interfacing.

Application Scenarios & Design Considerations

Quadruple 2-Line To 1-Line Data Selector/Multiplexer With 3-State Outputs

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