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SN74LVC244AZQNR from TI,Texas Instruments

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SN74LVC244AZQNR

Manufacturer: TI

Octal Buffer/Driver With 3-State Outputs

Partnumber Manufacturer Quantity Availability
SN74LVC244AZQNR TI 19000 In Stock

Description and Introduction

Octal Buffer/Driver With 3-State Outputs The SN74LVC244AZQNR is a 3.3-V octal buffer/driver with 3-state outputs, manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type:** Buffer/Line Driver  
- **Number of Channels:** 8 (Octal)  
- **Output Type:** 3-State  
- **Supply Voltage (VCC):** 1.65V to 3.6V  
- **High-Level Output Current:** -24 mA  
- **Low-Level Output Current:** 24 mA  
- **Propagation Delay Time:** 4.3 ns (max) at 3.3V  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 20-WQFN (3.5 mm x 4.5 mm)  
- **Mounting Type:** Surface Mount  

### **Descriptions and Features:**  
- Designed for 1.65-V to 3.6-V VCC operation.  
- Supports mixed-mode voltage operation.  
- Inputs accept voltages up to 5.5V.  
- Typical output skew < 500 ps.  
- Latch-up performance exceeds 250 mA per JESD 17.  
- ESD protection exceeds JESD 22 (2000-V Human-Body Model).  
- Supports partial-power-down mode (Ioff).  

This device is commonly used in bus interface, signal buffering, and level-shifting applications.  

(Source: Texas Instruments Datasheet)

Application Scenarios & Design Considerations

Octal Buffer/Driver With 3-State Outputs

Alternative Part Number

  • 74LVC244APW,118 --: Same octal buffer/line driver function with 3-state outputs in a different package and series naming, widely available and pin-function compatible.
  • MC74LCX244DTR2G --: Equivalent octal buffer/line driver with 3-state outputs, similar LVC-family logic levels, different manufacturer prefix for easy distinction.
  • SN74LVC244APWR --: Same TI LVC244A function in a TSSOP package, suitable when the QFN package is not mandatory and a different package variant is acceptable.

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