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SNJ54S257J from TI,Texas Instruments

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SNJ54S257J

Manufacturer: TI, MOT

Quadruple 2-Line To 1-Line Data Selectors/Multiplexers

Partnumber Manufacturer Quantity Availability
SNJ54S257J TI, MOT 74 In Stock

Description and Introduction

Quadruple 2-Line To 1-Line Data Selectors/Multiplexers The SNJ54S257J is a quad 2-line to 1-line data selector/multiplexer manufactured by Texas Instruments (TI). Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** Texas Instruments (TI)  
- **Part Number:** SNJ54S257J  
- **Technology Family:** S-Series (Schottky TTL)  
- **Package Type:** Ceramic DIP (Dual In-Line Package)  
- **Operating Temperature Range:** -55°C to +125°C (Military Grade)  
- **Supply Voltage (VCC):** 4.5V to 5.5V  
- **Logic Type:** Multiplexer  
- **Number of Channels:** 4  
- **Input Type:** TTL-Compatible  
- **Output Type:** 3-State  
- **Propagation Delay:** Typically 12ns (max 20ns)  
- **Power Dissipation:** ~500mW (typical)  

### **Description:**  
The SNJ54S257J is a high-speed quad 2-input multiplexer with 3-state outputs. It selects one of two data inputs (A or B) based on the select (S) input and routes it to the output. The outputs can be placed in a high-impedance state using the output enable (OE) input.  

### **Features:**  
- **Quad 2:1 Multiplexer:** Four independent 2-input multiplexers in a single package.  
- **3-State Outputs:** Allows bus-oriented applications.  
- **Schottky TTL (S-Series):** Provides high-speed operation with low power dissipation.  
- **Military Temperature Range:** Suitable for harsh environments (-55°C to +125°C).  
- **Common Select and Enable Inputs:** Simplifies control logic.  
- **TTL-Compatible Inputs and Outputs:** Ensures compatibility with standard logic levels.  

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

Application Scenarios & Design Considerations

Quadruple 2-Line To 1-Line Data Selectors/Multiplexers

Alternative Part Number

  • 74S257PC --: Same 74S257 quad 2-to-1 multiplexer function in a DIP package, pin-compatible with the SNJ54S257J.
  • MC74S257N --: Equivalent 74S257 multiplexer with similar Schottky TTL speed and DIP pinout, suitable as a direct functional replacement.
  • DM74S257N --: Another 74S257 quad multiplexer in DIP form, offering comparable electrical characteristics for the same logic function.
  • 74S257N --: Same 74S257 quad 2-to-1 multiplexer function in a DIP package, widely available and pin-compatible in function.

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