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SN74HCT245NSR from TEXAS

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SN74HCT245NSR

Manufacturer: TEXAS

Octal Bus Transceivers With 3-State Outputs

Partnumber Manufacturer Quantity Availability
SN74HCT245NSR TEXAS 57 In Stock

Description and Introduction

Octal Bus Transceivers With 3-State Outputs The SN74HCT245NSR is a high-speed CMOS logic octal bus transceiver manufactured by Texas Instruments. Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Logic Family:** HCT (High-Speed CMOS, TTL-Compatible)  
- **Number of Channels:** 8 (Octal)  
- **Supply Voltage Range:** 4.5V to 5.5V  
- **Input Voltage (High Level, VIH):** 2V (min)  
- **Input Voltage (Low Level, VIL):** 0.8V (max)  
- **Output Voltage (High Level, VOH):** 4.4V (min at 4mA)  
- **Output Voltage (Low Level, VOL):** 0.1V (max at 4mA)  
- **Propagation Delay:** 13ns (max at 5V)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** SOIC-20 (NSR)  
- **Direction Control:** DIR pin for bidirectional data flow  

### **Descriptions:**  
The SN74HCT245NSR is an octal bus transceiver designed for asynchronous communication between data buses. It features non-inverting 3-state outputs and is compatible with TTL levels, making it suitable for interfacing between TTL and CMOS systems. The direction of data flow is controlled by the DIR (Direction Control) pin, while the Output Enable (OE) pin enables/disables the outputs.  

### **Features:**  
- **3-State Outputs:** Allows multiple devices to share a common bus.  
- **Bidirectional Data Flow:** Controlled by the DIR pin.  
- **TTL-Compatible Inputs:** Works with TTL logic levels.  
- **Wide Operating Voltage:** 4.5V to 5.5V supply range.  
- **Low Power Consumption:** Typical ICC of 80µA (static).  
- **High Noise Immunity:** CMOS technology ensures reliable operation.  
- **ESD Protection:** Exceeds 2000V (HBM) for robustness.  

This information is strictly based on the manufacturer's datasheet for the SN74HCT245NSR.

Application Scenarios & Design Considerations

Octal Bus Transceivers With 3-State Outputs

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