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SN74LVCH245APWR from TI,Texas Instruments

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SN74LVCH245APWR

Manufacturer: TI

Octal Bus Transceiver With 3-State Outputs

Partnumber Manufacturer Quantity Availability
SN74LVCH245APWR TI 19320 In Stock

Description and Introduction

Octal Bus Transceiver With 3-State Outputs The SN74LVCH245APWR is a 3.3-V CMOS octal bus transceiver manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Technology Family:** LVCH  
- **Supply Voltage Range:** 1.65 V to 3.6 V  
- **Number of Channels:** 8  
- **Input/Output Type:** 3-State  
- **Data Rate:** Up to 400 Mbps  
- **Operating Temperature Range:** -40°C to 85°C  
- **Package Type:** TSSOP (20-pin)  
- **Output Drive Capability:** ±24 mA  
- **Bus-Hold on Data Inputs:** Yes (eliminates need for external pull-up/pull-down resistors)  
- **ESD Protection:** Exceeds 2000 V (HBM) and 1000 V (CDM)  

### **Descriptions:**  
- The SN74LVCH245APWR is an octal bus transceiver designed for asynchronous communication between data buses.  
- It features non-inverting 3-state outputs and is compatible with TTL input and output levels.  
- The direction of data flow is controlled by the DIR (direction control) input, while the OE (output enable) input disables the outputs when high.  

### **Features:**  
- **Wide Operating Voltage:** 1.65 V to 3.6 V  
- **Supports Mixed-Mode Signal Operation:** 3.3-V to 5-V translation  
- **Bus-Hold Circuitry:** Retains last valid logic state on floating inputs  
- **Partial Power-Down Protection (Ioff):** Prevents backflow current when powered off  
- **Low Power Consumption:** ICC typically 10 µA  
- **High-Speed Operation:** tpd ~ 4.3 ns (max) at 3.3 V  

This device is commonly used in data communication systems, networking equipment, and other applications requiring bidirectional data transfer.

Application Scenarios & Design Considerations

Octal Bus Transceiver With 3-State Outputs

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