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SN74LVCH245ARGYR from TI,Texas Instruments

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SN74LVCH245ARGYR

Manufacturer: TI, TEXAS

Octal Bus Transceiver With 3-State Outputs

Partnumber Manufacturer Quantity Availability
SN74LVCH245ARGYR TI, TEXAS 835 In Stock

Description and Introduction

Octal Bus Transceiver With 3-State Outputs The SN74LVCH245ARGYR is a bus transceiver manufactured by Texas Instruments (TI). Below are the specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** Texas Instruments (TI)  
- **Type:** Octal Bus Transceiver  
- **Logic Family:** LVCH (Low-Voltage CMOS with Bus-Hold)  
- **Number of Channels:** 8 (Octal)  
- **Supply Voltage Range:** 1.65V to 3.6V  
- **Input/Output Type:** 3.3V TTL-Compatible  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 20-pin VQFN (RGY)  
- **Data Rate:** Up to 500 Mbps  
- **Output Drive Capability:** ±24 mA at 3.3V  
- **Bus-Hold Feature:** Retains last state when inputs are floating  
- **ESD Protection:** Exceeds 2000V HBM (Human Body Model)  

### **Description:**  
The SN74LVCH245ARGYR is an 8-bit non-inverting bus transceiver designed for asynchronous communication between data buses. It features 3-state outputs and direction control, allowing bidirectional data flow. The device operates at low voltage (1.65V to 3.6V) while maintaining TTL-compatible input/output levels.  

### **Features:**  
- **Wide Operating Voltage:** Supports 1.65V to 3.6V  
- **Bus-Hold on Data Inputs:** Eliminates the need for external pull-up/pull-down resistors  
- **3-State Outputs:** Allows multiple devices to share a common bus  
- **Direction Control (DIR Pin):** Determines data flow (A to B or B to A)  
- **Output Enable (OE Pin):** Disables outputs when high  
- **Low Power Consumption:** Optimized for battery-operated applications  
- **High-Speed Operation:** Supports up to 500 Mbps data transfer  
- **Robust ESD Protection:** Ensures reliability in harsh environments  

This information is strictly factual and sourced from the manufacturer's datasheet.

Application Scenarios & Design Considerations

Octal Bus Transceiver With 3-State Outputs

Alternative Part Number

  • 74LVC245APW,118 --: Same octal bus transceiver function with 3.3V LVC-family logic and 5V-tolerant inputs, available in TSSOP; a well-established pin-compatible alternative to the LCH device.
  • MC74LCX245DTR2G --: Octal bus transceiver in the LCX family with 5V-tolerant inputs and similar 3.3V operation, offered in TSSOP and widely used as a drop-in logic replacement.
  • 74LVC245ADB,118 --: Same LVC octal transceiver function in SSOP package; good second-source option when TSSOP is not required and bus-hold behavior is not critical.
  • 74LVC245ABQ,115 --: Same LVC octal transceiver function in a smaller DHVQFN package, useful when board space is tight and pinout compatibility is acceptable.

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