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M74HC646M1R from ST,ST Microelectronics

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M74HC646M1R

Manufacturer: ST

OCTAL BUS TRANSCEIVER/REGISTER (3-STATE)

Partnumber Manufacturer Quantity Availability
M74HC646M1R ST 117 In Stock

Description and Introduction

OCTAL BUS TRANSCEIVER/REGISTER (3-STATE) The M74HC646M1R is a high-speed CMOS octal bus transceiver and register manufactured by STMicroelectronics. Here are its specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**  
- **Technology:** High-Speed CMOS  
- **Supply Voltage Range:** 2V to 6V  
- **Operating Temperature Range:** -40°C to +125°C  
- **Logic Family:** HC (High-Speed CMOS)  
- **Package Type:** SO-24 (Small Outline)  
- **Number of Bits:** 8 (Octal)  
- **Data Rate:** High-speed operation (compatible with TTL levels)  
- **Input/Output Type:** 3-state outputs  

### **Descriptions:**  
- The M74HC646M1R is an octal bidirectional transceiver with D-type registers, designed for bus-oriented applications.  
- It allows bidirectional data flow between buses with direction control and register storage capability.  
- Suitable for interfacing between different voltage levels (TTL-compatible).  

### **Features:**  
- **Bidirectional Data Flow:** Controlled by DIR (Direction) input.  
- **Register Storage:** Includes D-type flip-flops for temporary data storage.  
- **3-State Outputs:** Allows multiple devices to share a common bus.  
- **High Noise Immunity:** CMOS technology ensures robustness.  
- **Low Power Consumption:** Optimized for battery-operated applications.  
- **Wide Operating Voltage:** Supports 2V to 6V, making it versatile for various systems.  

This information is strictly based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

OCTAL BUS TRANSCEIVER/REGISTER (3-STATE)

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