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SN74LS642-1DW from TI,Texas Instruments

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SN74LS642-1DW

Manufacturer: TI

Octal bus transceivers with open collector outputs

Partnumber Manufacturer Quantity Availability
SN74LS642-1DW,SN74LS6421DW TI 1190 In Stock

Description and Introduction

Octal bus transceivers with open collector outputs The SN74LS642-1DW is a manufacturer by Texas Instruments (TI). Here are its specifications, descriptions, and features:

### **Specifications:**  
- **Manufacturer:** Texas Instruments (TI)  
- **Series:** 74LS  
- **Logic Type:** Bus Transceiver  
- **Number of Bits:** 8  
- **Voltage Supply:** 4.75V to 5.25V  
- **Operating Temperature:** 0°C to 70°C  
- **Package / Case:** SOIC-20  
- **Mounting Type:** Surface Mount  
- **Output Type:** 3-State  

### **Descriptions:**  
The SN74LS642-1DW is an 8-bit bus transceiver with 3-state outputs. It is designed for bidirectional data communication between buses. The device features separate control inputs for enabling data flow in either direction.

### **Features:**  
- **8-bit bidirectional bus interface**  
- **3-state outputs for bus-oriented applications**  
- **Separate control inputs for transmit and receive operations**  
- **TTL-compatible inputs and outputs**  
- **High-speed operation with typical propagation delay of 15ns**  
- **Wide operating voltage range (4.75V to 5.25V)**  
- **Available in SOIC-20 package for surface-mount applications**  

This information is based solely on the provided knowledge base. No additional guidance or suggestions are included.

Application Scenarios & Design Considerations

Octal bus transceivers with open collector outputs

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