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SN74LS642NSR from TI,Texas Instruments

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SN74LS642NSR

Manufacturer: TI

Octal bus transceivers with open collector outputs

Partnumber Manufacturer Quantity Availability
SN74LS642NSR TI 1355 In Stock

Description and Introduction

Octal bus transceivers with open collector outputs The SN74LS642NSR is a 3-state bus transceiver manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type:** Bus Transceiver  
- **Number of Bits:** 8  
- **Voltage Supply:** 4.75V to 5.25V  
- **Operating Temperature:** 0°C to 70°C  
- **Output Type:** 3-State  
- **Package:** SOIC (20-pin)  
- **Logic Family:** LS (Low-Power Schottky)  

### **Descriptions:**  
The SN74LS642NSR is an octal bus transceiver designed for bidirectional communication between data buses. It features 3-state outputs for bus-oriented applications and includes control inputs for direction selection and output enable.  

### **Features:**  
- **Bidirectional Data Flow:** Allows data transmission in both directions.  
- **3-State Outputs:** Supports bus sharing in multi-drop applications.  
- **Low-Power Schottky (LS) Technology:** Provides improved speed-power performance.  
- **Wide Operating Voltage Range:** Compatible with standard 5V logic levels.  
- **High-Impedance State:** Prevents bus contention when disabled.  

For detailed electrical characteristics and timing diagrams, refer to the official TI datasheet.

Application Scenarios & Design Considerations

Octal bus transceivers with open collector outputs

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