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SN74LVCH244ARGYR from TEXAS

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SN74LVCH244ARGYR

Manufacturer: TEXAS, TI

Octal Buffer/Driver With 3-State Outputs

Partnumber Manufacturer Quantity Availability
SN74LVCH244ARGYR TEXAS, TI 1024 In Stock

Description and Introduction

Octal Buffer/Driver With 3-State Outputs The **SN74LVCH244ARGYR** is a **3.3-V octal buffer/driver** manufactured by **Texas Instruments (TI)**.  

### **Key Specifications:**  
- **Logic Type:** Octal Buffer/Line Driver  
- **Technology:** CMOS  
- **Supply Voltage (VCC):** **1.65V to 3.6V** (3.3V nominal)  
- **Number of Channels:** **8 (Octal)**  
- **Output Type:** **3-State**  
- **High-Level Output Current:** **-24mA**  
- **Low-Level Output Current:** **24mA**  
- **Propagation Delay:** **3.3ns (max) at 3.3V**  
- **Operating Temperature Range:** **-40°C to +85°C**  
- **Package:** **20-pin VQFN (RGY)**  

### **Descriptions:**  
- Designed for **3.3V operation** but supports a wide voltage range (1.65V to 3.6V).  
- **Non-inverting** buffer/driver with **3-state outputs** for bus-oriented applications.  
- Features **balanced output drive** (±24mA) for improved signal integrity.  
- **Supports partial power-down mode** (Ioff) to protect circuits when powered off.  

### **Features:**  
- **Low-voltage operation** (down to 1.65V).  
- **Bus-hold inputs** eliminate the need for external pull-up/pull-down resistors.  
- **ESD protection** exceeds **2000V (HBM) and 1000V (CDM)**.  
- **Latch-up performance** exceeds **250mA per JESD 78**.  
- **Power-up 3-state** ensures no bus contention during initialization.  
- **Wide operating temperature range** for industrial applications.  

This device is commonly used in **data communication, computing systems, and industrial control applications** where buffering and signal driving are required.

Application Scenarios & Design Considerations

Octal Buffer/Driver With 3-State Outputs

Alternative Part Number

  • 74LVC244APW,118 --: Same octal buffer/line driver function with 3.3V LVC-family logic and similar drive strength; different series prefix and package, widely available.
  • MC74LCX244DTR2G --: LCX-family octal buffer with 5V-tolerant inputs comparable to LVC, offering a drop-in functional replacement in a different series and package.
  • 74LVC244ADB,118 --: Equivalent LVC octal buffer/line driver with similar propagation delay and output drive; different naming and SSOP package for layout flexibility.
  • 74LVC244AQ20-13 --: Octal buffer/line driver in the LVC family with 5V-tolerant inputs, providing a comparable logic function and supply range as a cost-effective second source.

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