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SN74HC251DR from TI,Texas Instruments

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SN74HC251DR

Manufacturer: TI

Data Selectors/Multiplexers With 3-State Outputs

Partnumber Manufacturer Quantity Availability
SN74HC251DR TI 60000 In Stock

Description and Introduction

Data Selectors/Multiplexers With 3-State Outputs The SN74HC251DR is a 1-of-8 data selector/multiplexer manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type:** Data Selector/Multiplexer  
- **Number of Channels:** 1  
- **Number of Inputs:** 8  
- **Output Type:** Tri-State  
- **Supply Voltage Range:** 2V to 6V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOIC-16  
- **Mounting Type:** Surface Mount  
- **Propagation Delay Time:** 13 ns (typical at 5V)  
- **High-Level Output Current:** -5.2 mA  
- **Low-Level Output Current:** 5.2 mA  

### **Description:**  
The SN74HC251DR is a high-speed CMOS logic device that selects one of eight data inputs (D0-D7) based on three select lines (A, B, C). It features a tri-state output, allowing multiple devices to share a common bus.  

### **Features:**  
- **Wide Operating Voltage Range:** 2V to 6V  
- **Low Power Consumption:** 80 µA (max)  
- **High Noise Immunity:** CMOS technology  
- **Tri-State Outputs:** Allows bus sharing  
- **Balanced Propagation Delays**  
- **Schmitt-Trigger Inputs:** Improved noise rejection  

For more details, refer to the official Texas Instruments datasheet.

Application Scenarios & Design Considerations

Data Selectors/Multiplexers With 3-State Outputs

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