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SN74HC245DWR from TI,Texas Instruments

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SN74HC245DWR

Manufacturer: TI

Octal Bus Transceivers With 3-State Outputs

Partnumber Manufacturer Quantity Availability
SN74HC245DWR TI 72820 In Stock

Description and Introduction

Octal Bus Transceivers With 3-State Outputs The SN74HC245DWR is a high-speed CMOS logic octal bus transceiver manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type:** Octal Bus Transceiver  
- **Technology:** CMOS  
- **Number of Bits:** 8  
- **Voltage Supply Range:** 2V to 6V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Output Type:** 3-State  
- **Package Type:** SOIC (DWR)  
- **Pin Count:** 20  
- **Propagation Delay:** 13 ns (typical at 5V)  
- **High-Level Output Current:** -6 mA  
- **Low-Level Output Current:** 6 mA  

### **Descriptions:**  
The SN74HC245DWR is designed for asynchronous two-way communication between data buses. It features direction control (DIR) and output enable (OE) inputs to manage data flow. When OE is high, the outputs are in a high-impedance state.  

### **Features:**  
- **Wide Operating Voltage Range:** 2V to 6V  
- **High-Current 3-State Outputs:** Drive up to 15 LSTTL loads  
- **Low Power Consumption:** 80 µA (max) ICC  
- **Balanced Propagation Delays**  
- **ESD Protection:** Exceeds JESD 22 (2000-V Human-Body Model)  
- **Bus Hold on Data Inputs Eliminates Need for External Pull-Up/Pull-Down Resistors**  

This device is commonly used in data buffering, bus isolation, and level shifting applications.

Application Scenarios & Design Considerations

Octal Bus Transceivers With 3-State Outputs

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