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TC74ACT245F from TOSHIBA

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TC74ACT245F

Manufacturer: TOSHIBA, TOS

OCTAL BUS TRANSCEIVER

Partnumber Manufacturer Quantity Availability
TC74ACT245F TOSHIBA, TOS 1679 In Stock

Description and Introduction

OCTAL BUS TRANSCEIVER The TC74ACT245F is an octal bus transceiver manufactured by Toshiba. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Logic Family:** ACT (Advanced CMOS Technology)  
- **Number of Channels:** 8 (Octal)  
- **Supply Voltage Range:** 4.5V to 5.5V  
- **High-Level Input Voltage (VIH):** 2.0V (min)  
- **Low-Level Input Voltage (VIL):** 0.8V (max)  
- **High-Level Output Voltage (VOH):** 4.4V (min) @ IOH = -24mA  
- **Low-Level Output Voltage (VOL):** 0.1V (max) @ IOL = 24mA  
- **Propagation Delay (tpd):** 7.5ns (max) @ VCC = 5V, CL = 50pF  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOP-20 (Small Outline Package, 20-pin)  

### **Descriptions:**  
- The TC74ACT245F is a bidirectional octal bus transceiver designed for asynchronous communication between data buses.  
- It features non-inverting 3-state outputs and is compatible with TTL levels.  
- The direction of data flow is controlled by the DIR (Direction Control) input.  
- The output enable (OE) pin allows the outputs to be placed in a high-impedance state.  

### **Features:**  
- **Bidirectional Data Flow:** Controlled by the DIR pin.  
- **3-State Outputs:** Allows bus isolation when OE is high.  
- **TTL-Compatible Inputs:** Can interface with TTL logic levels.  
- **High-Speed Operation:** Low propagation delay for fast data transfer.  
- **Low Power Consumption:** CMOS technology ensures low power dissipation.  
- **Wide Operating Voltage Range:** Supports 4.5V to 5.5V operation.  

This device is commonly used in digital systems for bus buffering, level shifting, and bidirectional data transfer applications.

Application Scenarios & Design Considerations

OCTAL BUS TRANSCEIVER

Alternative Part Number

  • 74ACT245SC --: Same 74ACT245 octal bus transceiver function with 3-state outputs, widely available and pin-compatible in SOIC package.
  • SN74ACT245DW --: Direct functional equivalent octal bus transceiver from TI's ACT family, same logic function and voltage characteristics.
  • MC74ACT245DWR2G --: ACT-family octal bus transceiver with 3-state outputs, suitable drop-in replacement in SOIC-20 package.
  • SN74ACT245N --: Direct functional equivalent octal bus transceiver in the 74ACT family with comparable propagation delay and drive.
  • MC74ACT245N --: Another 74ACT245 octal bus transceiver offering equivalent logic function and electrical characteristics for drop-in use.

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