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M74HCT643B1R from STM,ST Microelectronics

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M74HCT643B1R

Manufacturer: STM

OCTALE BUS TRANSCEIVER (3-STATE)

Partnumber Manufacturer Quantity Availability
M74HCT643B1R STM 840 In Stock

Description and Introduction

OCTALE BUS TRANSCEIVER (3-STATE) The **M74HCT643B1R** is a high-speed CMOS octal bus transceiver with 3-state outputs, manufactured by **STMicroelectronics (STM)**.  

### **Key Specifications:**  
- **Logic Family:** HCT (High-Speed CMOS, TTL-compatible inputs)  
- **Number of Bits:** 8 (Octal)  
- **Function:** Bidirectional bus transceiver  
- **Output Type:** 3-state  
- **Supply Voltage Range:** 4.5V to 5.5V  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Type:** SO-20 (Small Outline)  

### **Features:**  
- **TTL-Compatible Inputs:** Ensures compatibility with TTL logic levels.  
- **Bidirectional Data Flow:** Allows data transmission in both directions.  
- **3-State Outputs:** Supports bus-oriented applications.  
- **High Noise Immunity:** Typical of CMOS technology.  
- **Low Power Consumption:** Optimized for power-sensitive designs.  

This device is commonly used in bus interface applications where bidirectional data transfer is required.  

Would you like additional details on pin configuration or timing characteristics?

Application Scenarios & Design Considerations

OCTALE BUS TRANSCEIVER (3-STATE)

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