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DM74S253N

Dual 3-STATE 1-of-4 Line Data Selector/Multiplexer

Partnumber Manufacturer Quantity Availability
DM74S253N 4 In Stock

Description and Introduction

Dual 3-STATE 1-of-4 Line Data Selector/Multiplexer The DM74S253N is a dual 4-input multiplexer with 3-state outputs, manufactured by National Semiconductor (now part of Texas Instruments).  

**Key Specifications:**  
- **Logic Family:** 74S (Schottky TTL)  
- **Number of Channels:** 2 (dual)  
- **Inputs per Multiplexer:** 4  
- **Output Type:** 3-state (active HIGH or LOW)  
- **Supply Voltage (Vcc):** 4.75V to 5.25V (standard 5V operation)  
- **Propagation Delay:** Typically 9ns (max 15ns)  
- **Operating Temperature Range:** 0°C to +70°C (commercial grade)  
- **Package:** 16-pin DIP (Dual In-line Package)  
- **Current Consumption:**  
  - **High-Level Output Current (Ioh):** -1mA  
  - **Low-Level Output Current (Iol):** 20mA  

**Functionality:**  
- Each multiplexer selects one of four data inputs (D0-D3) based on two select lines (S0, S1).  
- Output enable (OE) controls the 3-state outputs.  

**Applications:**  
- Data routing  
- Signal switching  
- Bus-oriented systems  

**Note:** Always refer to the official datasheet for absolute maximum ratings and detailed electrical characteristics.

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