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SN74ACT245DW from TI,Texas Instruments

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SN74ACT245DW

Manufacturer: TI

Octal Bus Transceivers With 3-State Outputs

Partnumber Manufacturer Quantity Availability
SN74ACT245DW TI 397 In Stock

Description and Introduction

Octal Bus Transceivers With 3-State Outputs The SN74ACT245DW is an octal bus transceiver manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type:** Octal Bus Transceiver  
- **Technology Family:** ACT  
- **Number of Channels:** 8  
- **Supply Voltage Range:** 4.5V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Output Type:** 3-State  
- **Propagation Delay Time:** 8.5 ns (max) at 5V  
- **High-Level Output Current:** -24 mA  
- **Low-Level Output Current:** 24 mA  
- **Package Type:** SOIC (DW)  
- **Package Pins:** 20  

### **Descriptions:**  
The SN74ACT245DW is a bidirectional octal transceiver designed for asynchronous communication between data buses. It allows data transmission from A to B or B to A, depending on the direction control input (DIR). The output enable (OE) input disables the outputs when high, placing them in a high-impedance state.  

### **Features:**  
- **Bidirectional Data Flow:** Controlled by DIR input  
- **3-State Outputs:** Allows bus isolation  
- **High-Speed Operation:** ACT technology ensures fast switching  
- **Wide Operating Voltage Range:** 4.5V to 5.5V  
- **Low Power Consumption:** Optimized for power-sensitive applications  
- **ESD Protection:** Exceeds 2000V per JESD 22  

This device is commonly used in data communication, buffering, and bus interface applications.

Application Scenarios & Design Considerations

Octal Bus Transceivers With 3-State Outputs

Alternative Part Number

  • MC74ACT245DWR2G --: Octal bus transceiver with 3-state outputs in the same ACT logic family and SOIC-20 wide package, pin-compatible and functionally equivalent to the SN74ACT245DW.
  • 74ACT245SCX --: ACT-series octal bus transceiver in a 20-pin SOIC package with equivalent TTL-compatible inputs and 3-state outputs, suitable as a direct functional replacement.
  • CD74ACT245M --: Same ACT family octal bus transceiver from TI in a 20-pin SOIC package, offering identical logic function and compatible electrical characteristics.

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