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SN74AHCT126PW from TI,Texas Instruments

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SN74AHCT126PW

Manufacturer: TI

Quadruple Bus Buffer Gates With 3-State Outputs

Partnumber Manufacturer Quantity Availability
SN74AHCT126PW TI 2000 In Stock

Description and Introduction

Quadruple Bus Buffer Gates With 3-State Outputs The SN74AHCT126PW is a quad bus buffer gate manufactured by Texas Instruments (TI). Here are its specifications, descriptions, and features:  

### **Specifications:**  
- **Logic Type:** Buffer/Driver  
- **Number of Channels:** 4  
- **Output Type:** 3-State  
- **Supply Voltage (VCC):** 4.5V to 5.5V  
- **High-Level Input Voltage (VIH):** 2V (min)  
- **Low-Level Input Voltage (VIL):** 0.8V (max)  
- **High-Level Output Current (IOH):** -8mA  
- **Low-Level Output Current (IOL):** 8mA  
- **Propagation Delay (tpd):** 9.5ns (typical at 5V)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** TSSOP-14 (PW)  

### **Descriptions:**  
The SN74AHCT126PW is a high-speed CMOS logic device with 3-state outputs. It is designed for bus-oriented applications where multiple devices share a common bus. The outputs can be disabled using the output-enable (OE) input, allowing high-impedance state when not in use.  

### **Features:**  
- **4-channel buffer with 3-state outputs**  
- **Compatible with TTL input levels**  
- **Balanced propagation delays**  
- **Low power consumption (typical ICC: 4μA)**  
- **ESD protection exceeds 2000V (HBM)**  
- **Wide operating voltage range (4.5V to 5.5V)**  
- **Supports mixed-mode voltage operation**  

This device is commonly used in digital systems requiring buffering and signal isolation.

Application Scenarios & Design Considerations

Quadruple Bus Buffer Gates With 3-State Outputs

Alternative Part Number

  • 74AHCT126PW-Q100 --: Quad buffer/line driver with 3-state outputs in TSSOP-14, same AHCT logic family and pinout, automotive-qualified version from a different manufacturer.
  • MC74VHCT126ADTR2G --: Quad 3-state buffer in TSSOP-14 with VHCT logic levels compatible with AHCT, functionally equivalent and widely available.
  • 74AHCT126APW --: Quad 3-state non-inverting buffer in TSSOP-14, same AHCT family and pin-compatible, suitable drop-in replacement.

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