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M74HC266M1R from ST,ST Microelectronics

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M74HC266M1R

Manufacturer: ST

QUAD EXCLUSIVE NOR GATE WITH OPEN DRAIN

Partnumber Manufacturer Quantity Availability
M74HC266M1R ST 10 In Stock

Description and Introduction

QUAD EXCLUSIVE NOR GATE WITH OPEN DRAIN The M74HC266M1R is a quad 2-input EXCLUSIVE-NOR gate integrated circuit manufactured by STMicroelectronics.  

### **Specifications:**  
- **Logic Family:** HC (High-Speed CMOS)  
- **Number of Gates:** 4  
- **Inputs per Gate:** 2  
- **Logic Function:** EXCLUSIVE-NOR (XNOR)  
- **Supply Voltage Range:** 2V to 6V  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SO-14 (Small Outline 14-pin)  
- **Propagation Delay:** Typically 12ns at 5V  
- **Input Current:** ±1µA (max)  
- **Output Current:** ±5.2mA (max)  

### **Descriptions:**  
The M74HC266M1R is a high-speed CMOS logic device that performs the EXCLUSIVE-NOR function. It is designed for general-purpose digital logic applications and is compatible with TTL levels.  

### **Features:**  
- **High Noise Immunity:** Typical CMOS noise margin  
- **Low Power Consumption:** Suitable for battery-operated devices  
- **Balanced Propagation Delays:** Ensures stable performance  
- **Wide Operating Voltage Range:** 2V to 6V  
- **Pin-to-Pin Compatible:** With 74LS266 in most applications  

This information is based on the manufacturer's datasheet. For detailed electrical characteristics and application notes, refer to the official STMicroelectronics documentation.

Application Scenarios & Design Considerations

QUAD EXCLUSIVE NOR GATE WITH OPEN DRAIN

Alternative Part Number

  • CD74HC266M --: Same 74HC266 quad 2-input XNOR function with open-drain outputs, pin-compatible SOIC package, widely available from a major logic supplier.
  • MC74HC266AD --: Direct functional equivalent quad XNOR gate in 74HC family with open-drain outputs, same SOIC-14 footprint and logic thresholds.
  • 74HC266D --: Standard 74HC266 quad 2-input XNOR with open-drain outputs in SO14 package, electrically compatible drop-in replacement.

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