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SN54HC251J from TI,Texas Instruments

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SN54HC251J

Manufacturer: TI, MOT

Data Selectors/Multiplexers With 3-State Outputs

Partnumber Manufacturer Quantity Availability
SN54HC251J TI, MOT 649 In Stock

Description and Introduction

Data Selectors/Multiplexers With 3-State Outputs The SN54HC251J is a high-speed CMOS logic 8-input multiplexer manufactured by Texas Instruments (TI). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Logic Type:** 8-Input Multiplexer  
- **Technology:** High-Speed CMOS (HC)  
- **Supply Voltage Range:** 2V to 6V  
- **Operating Temperature Range:** -55°C to 125°C (Military Grade)  
- **Package Type:** Ceramic DIP (CDIP)  
- **Number of Channels:** 1  
- **Output Type:** Tri-State  
- **Propagation Delay:** Typically 13 ns at 5V  
- **Input Capacitance:** 3.5 pF (Typical)  
- **Current - Output High, Low:** ±7.8 mA  

### **Descriptions:**  
The SN54HC251J is a high-speed CMOS 8-input digital multiplexer with 3-state outputs. It selects one of eight binary data inputs and routes it to the output based on the select inputs (S0, S1, S2). The output can be placed in a high-impedance state using the Output Enable (OE) input.  

### **Features:**  
- **Wide Operating Voltage Range:** 2V to 6V  
- **Low Power Consumption:** HC technology ensures low static and dynamic power dissipation.  
- **High Noise Immunity:** CMOS design provides strong noise resistance.  
- **Tri-State Outputs:** Allows bus-oriented applications.  
- **Balanced Propagation Delays:** Ensures consistent timing performance.  
- **Military Temperature Range:** Suitable for harsh environments.  

This information is strictly based on the manufacturer's datasheet and specifications.

Application Scenarios & Design Considerations

Data Selectors/Multiplexers With 3-State Outputs

Alternative Part Number

  • CD74HC251E --: Same 8-input multiplexer function from TI's CD74HC family, direct functional equivalent in a DIP package.
  • MC74HC251N --: Pin-compatible 8-channel multiplexer with 3-state outputs from the 74HC logic family, widely available alternative.
  • 74HC251N --: Standard 74HC251 multiplexer offering identical logic function and pinout, suitable as a drop-in replacement.

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