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SN74HCT257DR from TI,Texas Instruments

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SN74HCT257DR

Manufacturer: TI

Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs

Partnumber Manufacturer Quantity Availability
SN74HCT257DR TI 2880 In Stock

Description and Introduction

Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs The SN74HCT257DR 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 (VCC):** 4.5V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Propagation Delay Time:** 13 ns (typical)  
- **High-Level Output Current:** -6 mA  
- **Low-Level Output Current:** 6 mA  
- **Package:** SOIC-16  
- **Mounting Type:** Surface Mount  

### **Descriptions:**  
The SN74HCT257DR is a high-speed CMOS logic device that selects one of two data inputs (A or B) based on the select (S) input. It features 3-state outputs for bus-oriented applications.  

### **Features:**  
- **3-State Outputs:** Allows connection to a bus system.  
- **Common Select Input:** Controls all four multiplexers.  
- **High-Speed Operation:** Optimized for performance.  
- **Low Power Consumption:** CMOS technology ensures low power dissipation.  
- **Wide Operating Voltage Range:** Compatible with TTL levels.  
- **ESD Protection:** Exceeds 2000V per JESD 22.  

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

Application Scenarios & Design Considerations

Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs

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