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M74HC123M1R from ST,ST Microelectronics

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M74HC123M1R

Manufacturer: ST

DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATOR

Partnumber Manufacturer Quantity Availability
M74HC123M1R ST 422 In Stock

Description and Introduction

DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATOR The M74HC123M1R is a dual retriggerable monostable multivibrator manufactured by STMicroelectronics (ST).  

### **Specifications:**  
- **Logic Family:** HC  
- **Supply Voltage Range:** 2V to 6V  
- **High-Speed Operation:** Typical propagation delay of 13 ns at 5V  
- **Low Power Consumption:** 2 µA (max) at 5V  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SO-16  

### **Descriptions:**  
- The M74HC123M1R consists of two independent retriggerable monostable multivibrators.  
- Each multivibrator can be triggered by either a positive or negative edge.  
- The output pulse width is determined by external timing components (resistor and capacitor).  
- Features reset functionality for immediate termination of the output pulse.  

### **Features:**  
- **Retriggerable Operation:** Allows extension of the output pulse by reapplying a trigger.  
- **Wide Operating Voltage Range:** Compatible with 2V to 6V systems.  
- **Schmitt Trigger Inputs:** Provides noise immunity on input signals.  
- **Direct Reset Input:** Terminates output pulse when activated.  
- **High Noise Immunity:** Typical noise margin of 30% of VCC.  

This device is commonly used in timing applications, pulse generation, and debouncing circuits.

Application Scenarios & Design Considerations

DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATOR

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