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M74HC423M1R from STM,ST Microelectronics

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M74HC423M1R

Manufacturer: STM, ST

DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATOR

Partnumber Manufacturer Quantity Availability
M74HC423M1R STM, ST 19000 In Stock

Description and Introduction

DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATOR The M74HC423M1R is a dual retriggerable monostable multivibrator manufactured by STMicroelectronics.  

### **Specifications:**  
- **Logic Family:** HC  
- **Technology:** CMOS  
- **Supply Voltage Range:** 2V to 6V  
- **High Noise Immunity**  
- **Low Power Consumption**  
- **Operating Temperature Range:** -55°C to +125°C  
- **Package:** SO-16  

### **Descriptions:**  
- The M74HC423M1R contains 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 a direct clear input for immediate termination of the output pulse.  

### **Features:**  
- **Retriggerable Operation:** Allows the output pulse to be extended by additional trigger pulses.  
- **Wide Operating Voltage Range (2V to 6V)**  
- **High-Speed Operation**  
- **Low Input Current**  
- **Schmitt Trigger Inputs for Improved Noise Immunity**  
- **Symmetrical Output Impedance**  
- **Balanced Propagation Delays**  

This device is commonly used in applications requiring precise timing control, such as pulse generation, delay circuits, and sequential timing systems.

Application Scenarios & Design Considerations

DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATOR

Alternative Part Number

  • CD74HC423M --: Same 74HC423 dual retriggerable monostable multivibrator function in SOIC-16 package, direct functional equivalent from a major logic vendor.
  • MC74HC423ADG --: Pin-compatible 74HC423 monostable multivibrator in SOIC-16, same HC CMOS family with equivalent timing and drive characteristics.
  • SN74HC423N --: 74HC423 dual retriggerable monostable in DIP-16, suitable alternative when through-hole mounting is acceptable and electrical behavior matches.

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