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SN74AS645N

Octal Bus Transceivers With 3-State Outputs

Partnumber Manufacturer Quantity Availability
SN74AS645N 29 In Stock

Description and Introduction

Octal Bus Transceivers With 3-State Outputs The SN74AS645N is an octal bus transceiver manufactured by Texas Instruments. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Logic Type:** Octal Bus Transceiver  
- **Technology:** Advanced Schottky (AS)  
- **Number of Bits:** 8  
- **Voltage Supply Range:** 4.5V to 5.5V  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package Type:** PDIP (Plastic Dual In-Line Package)  
- **Pin Count:** 20  
- **Output Type:** 3-State  
- **Propagation Delay:** Typically 7.5 ns  
- **Input/Output Compatibility:** TTL  

### **Description:**  
The SN74AS645N is a bidirectional octal bus transceiver designed for asynchronous communication between data buses. It allows data transmission from A-bus to B-bus or B-bus to A-bus, depending on the direction control input. The device features 3-state outputs for bus-oriented applications.  

### **Features:**  
- **Bidirectional Data Flow:** Controlled by DIR (Direction) input.  
- **Output Enable (OE) Input:** Disables outputs when high.  
- **High-Speed Operation:** Optimized for fast data transfer.  
- **Low Power Consumption:** Advanced Schottky technology ensures efficient power usage.  
- **Wide Operating Voltage:** Supports standard 5V logic levels.  
- **3-State Outputs:** Allows connection to a shared bus.  

This information is based solely on the manufacturer's datasheet.

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