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SN74LS645 from TI,Texas Instruments

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SN74LS645

Manufacturer: TI

OCTAL BUS TRANSCEIVERS

Partnumber Manufacturer Quantity Availability
SN74LS645 TI 70 In Stock

Description and Introduction

OCTAL BUS TRANSCEIVERS The SN74LS645 is an octal bus transceiver manufactured by Texas Instruments (TI). Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Logic Family:** LS (Low-Power Schottky)  
- **Number of Channels:** 8 (Octal)  
- **Supply Voltage Range:** 4.75V to 5.25V  
- **Operating Temperature Range:** 0°C to 70°C  
- **High-Level Output Current:** -2.6 mA  
- **Low-Level Output Current:** 24 mA  
- **Propagation Delay:** Typically 15 ns  
- **Input Type:** TTL-Compatible  
- **Output Type:** 3-State  

### **Description:**  
The SN74LS645 is an octal bus transceiver designed for bidirectional data transfer between buses. It features non-inverting 3-state outputs and is controlled by two enable inputs (G and DIR) to manage data flow direction.  

### **Features:**  
- **Bidirectional Data Flow:** Controlled by DIR (Direction) input.  
- **3-State Outputs:** Allows connection to a bus system.  
- **TTL-Compatible Inputs:** Ensures compatibility with TTL logic levels.  
- **Wide Operating Voltage:** Supports standard 5V operation.  
- **High-Current Outputs:** Capable of driving up to 24 mA.  
- **Low Power Consumption:** Typical power dissipation of 120 mW.  

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

Application Scenarios & Design Considerations

OCTAL BUS TRANSCEIVERS

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