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M74HC4078B1R from ST,ST Microelectronics

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M74HC4078B1R

Manufacturer: ST

8 INPUT NOR/OR GATE

Partnumber Manufacturer Quantity Availability
M74HC4078B1R ST 102 In Stock

Description and Introduction

8 INPUT NOR/OR GATE The M74HC4078B1R is a high-speed CMOS 8-input NOR/OR gate manufactured by STMicroelectronics.  

### **Specifications:**  
- **Logic Type:** 8-input NOR/OR gate  
- **Supply Voltage Range:** 2V to 6V  
- **High Noise Immunity:** CMOS technology  
- **Low Power Consumption:** Suitable for battery-operated devices  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Type:** SO-14 (Small Outline)  
- **Propagation Delay:** Typically 12ns at 5V  
- **Input Current:** ±1µA (max)  
- **Output Current:** ±5.2mA (max)  

### **Descriptions:**  
- The M74HC4078B1R provides an 8-input NOR gate function, with an additional OR output.  
- It is designed for high-speed operation while maintaining low power consumption.  
- Compatible with TTL levels when operating at 5V.  

### **Features:**  
- **Wide Operating Voltage Range:** 2V to 6V  
- **High-Speed Performance:** Suitable for high-frequency applications  
- **Balanced Propagation Delays:** Ensures stable signal timing  
- **Pin-to-Pin Compatibility:** With standard 74HC series logic  
- **ESD Protection:** Improved reliability against electrostatic discharge  

For detailed electrical characteristics and application notes, refer to the official STMicroelectronics datasheet.

Application Scenarios & Design Considerations

8 INPUT NOR/OR GATE

Alternative Part Number

  • CD74HC4078E --: Same 8-input NOR/OR gate function in the HC logic family with identical pinout and DIP-14 package, direct functional drop-in replacement.
  • MC74HC4078AN --: HC-series 8-input NOR/OR gate with matching logic function and DIP-14 pinout, suitable as a second-source equivalent.
  • 74HC4078N --: Standard 74HC4078 8-input NOR/OR gate in DIP-14, same function and pinout, usable as a generic equivalent from another vendor.

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