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M74HCT257B1R from ST,ST Microelectronics

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M74HCT257B1R

Manufacturer: ST

QUAD 2 CHANNEL MULTIPLEXER (3-STATE)

Partnumber Manufacturer Quantity Availability
M74HCT257B1R ST 1850 In Stock

Description and Introduction

QUAD 2 CHANNEL MULTIPLEXER (3-STATE) The M74HCT257B1R is a quad 2-input multiplexer with 3-state outputs, manufactured by STMicroelectronics.  

### **Key Specifications:**  
- **Technology:** HCT (High-Speed CMOS, TTL-compatible inputs)  
- **Supply Voltage Range:** 4.5V to 5.5V  
- **Operating Temperature Range:** -40°C to +125°C  
- **Input Levels:** TTL-compatible  
- **Output Current:** ±6mA  
- **Propagation Delay:** 17ns (typical) at 5V  
- **Package:** SO-16  

### **Descriptions:**  
- The M74HCT257B1R integrates four 2-input multiplexers in a single chip.  
- It features 3-state outputs for bus-oriented applications.  
- The device is designed for high-speed operation while maintaining low power consumption.  

### **Features:**  
- **Quad 2-input multiplexer** with common select and enable inputs  
- **3-state outputs** for bus sharing  
- **TTL-compatible inputs** (accepts TTL levels)  
- **Low power consumption**  
- **High noise immunity**  
- **Compliant with JEDEC standard**  

This information is based on STMicroelectronics' official documentation.

Application Scenarios & Design Considerations

QUAD 2 CHANNEL MULTIPLEXER (3-STATE)

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