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SN74AS245NSR from TI,Texas Instruments

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SN74AS245NSR

Manufacturer: TI, TEXAS

Octal Bus Transceivers With 3-State Outputs

Partnumber Manufacturer Quantity Availability
SN74AS245NSR TI, TEXAS 574 In Stock

Description and Introduction

Octal Bus Transceivers With 3-State Outputs ### Manufacturer: Texas Instruments (TI)  

### Part Number: SN74AS245NSR  

### Specifications:  
- **Logic Type**: Octal Bus Transceiver  
- **Number of Bits**: 8  
- **Voltage Supply**: 4.5V to 5.5V  
- **Operating Temperature**: 0°C to 70°C  
- **Output Type**: 3-State  
- **Package / Case**: 20-SO (0.209", 5.30mm Width)  
- **Mounting Type**: Surface Mount  
- **Propagation Delay Time**: 7.5ns (Max)  
- **High-Level Output Current**: -15mA  
- **Low-Level Output Current**: 24mA  

### Descriptions:  
The SN74AS245NSR is an octal bus transceiver designed for asynchronous two-way communication between data buses. It features 3-state outputs for bus-oriented applications and is compatible with TTL voltage levels.  

### Features:  
- **Bi-Directional Data Flow**: Controlled by DIR (Direction Control) input.  
- **3-State Outputs**: Allows connection to a bus system.  
- **TTL-Compatible Inputs**: Ensures compatibility with standard TTL logic.  
- **High-Speed Operation**: Optimized for fast data transfer.  
- **Wide Operating Voltage Range**: Supports 4.5V to 5.5V.  
- **ESD Protection**: Helps prevent damage from electrostatic discharge.  

This information is based solely on the provided knowledge base.

Application Scenarios & Design Considerations

Octal Bus Transceivers With 3-State Outputs

Alternative Part Number

  • MC74ACT245DWR2G --: Octal bus transceiver with 3-state outputs in SOIC-20 wide body, functionally equivalent to the SN74AS245 and widely available.
  • 74ACT245SC --: ACT-family octal bus transceiver, pin-compatible SOIC-20 replacement with similar speed and drive characteristics.
  • CD74ACT245M --: Same manufacturer ACT-family octal bus transceiver in SOIC-20, offering comparable performance as a drop-in alternative.
  • 74F245SCX --: Octal bus transceiver with 3-state outputs in SOIC-20, functionally equivalent to the SN74AS245 with similar speed and pinout.

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