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SN74LS257BM from MOT,Motorola

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15.625ms

SN74LS257BM

Manufacturer: MOT

Quad 2-Input Multiplexer with 3-State Outputs

Partnumber Manufacturer Quantity Availability
SN74LS257BM MOT 4400 In Stock

Description and Introduction

Quad 2-Input Multiplexer with 3-State Outputs The SN74LS257BM is a quad 2-input multiplexer with 3-state outputs, manufactured by Motorola (MOT).  

### **Specifications:**  
- **Logic Type:** Multiplexer  
- **Number of Circuits:** 4  
- **Number of Inputs:** 2 per multiplexer  
- **Output Type:** 3-State  
- **Supply Voltage (VCC):** 4.75V to 5.25V  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package / Case:** 16-SOIC (0.154", 3.90mm Width)  
- **Mounting Type:** Surface Mount  
- **Propagation Delay Time:** 15ns (typical)  
- **High-Level Output Current:** -2.6mA  
- **Low-Level Output Current:** 24mA  

### **Descriptions and Features:**  
- **Function:** Selects between two data inputs (A or B) based on the select input (S).  
- **3-State Outputs:** Allows outputs to be disabled (high-impedance state) for bus-oriented applications.  
- **Common Select Input:** A single select line controls all four multiplexers.  
- **TTL-Compatible Inputs:** Works with standard TTL logic levels.  
- **High-Speed Operation:** Suitable for high-performance digital systems.  
- **Wide Operating Voltage:** Ensures stable performance within the specified range.  

This device is commonly used in data routing, signal selection, and bus interfacing applications.

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