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SN74LS251N from MOTOROLA

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SN74LS251N

Manufacturer: MOTOROLA

8-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS

Partnumber Manufacturer Quantity Availability
SN74LS251N MOTOROLA 50 In Stock

Description and Introduction

8-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS The SN74LS251N is a 8-input multiplexer manufactured by Motorola. Below are its specifications, descriptions, and features:

### **Specifications:**  
- **Logic Family:** LS (Low-Power Schottky)  
- **Function:** 8-Input Multiplexer  
- **Number of Inputs:** 8 (Data Select Lines: 3)  
- **Output Type:** Tri-State (Controlled by Output Enable)  
- **Supply Voltage (VCC):** 4.75V to 5.25V  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package Type:** PDIP-16 (Plastic Dual In-Line Package)  
- **Propagation Delay:** Typically 15ns (at 5V)  
- **Power Dissipation:** 45mW (Typical)  

### **Descriptions:**  
The SN74LS251N is a high-speed 8-input digital multiplexer with tri-state outputs. It selects one of eight data inputs (D0-D7) based on the three select lines (A, B, C) and routes it to the output (Y). The output can be disabled using the Output Enable (OE) pin, placing it in a high-impedance state.  

### **Features:**  
- **Tri-State Output:** Allows bus-oriented operation.  
- **Low Power Consumption:** Optimized for LS technology.  
- **Wide Operating Voltage:** Compatible with standard TTL levels.  
- **High-Speed Operation:** Suitable for fast logic applications.  
- **Common Select Lines:** Simplifies data routing in digital systems.  

For detailed electrical characteristics and timing diagrams, refer to the official Motorola datasheet.

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