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SN74ALS639AN from TI,Texas Instruments

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SN74ALS639AN

Manufacturer: TI

Octal Bus Transceivers

Partnumber Manufacturer Quantity Availability
SN74ALS639AN TI 178 In Stock

Description and Introduction

Octal Bus Transceivers The SN74ALS639AN is a bus transceiver manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Family:** ALS (Advanced Low-Power Schottky)  
- **Function:** Octal Bus Transceiver  
- **Number of Channels:** 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 10ns  
- **Input/Output Compatibility:** TTL  

### **Descriptions and Features:**  
- **Bidirectional Data Flow:** Allows data transmission in both directions.  
- **3-State Outputs:** Provides high-impedance state for bus isolation.  
- **Wide Operating Voltage:** Supports standard 5V logic levels.  
- **High-Speed Operation:** Optimized for fast data transfer.  
- **Bus-Oriented Architecture:** Suitable for interfacing with microprocessors and other digital systems.  
- **Low Power Consumption:** ALS technology reduces power dissipation compared to standard TTL.  
- **ESD Protection:** Provides improved electrostatic discharge protection.  

This device is commonly used in digital systems for bus interfacing, data buffering, and signal isolation.

Application Scenarios & Design Considerations

Octal Bus Transceivers

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