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M74HC4538M1R

DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATOR

Partnumber Manufacturer Quantity Availability
M74HC4538M1R 892 In Stock

Description and Introduction

DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATOR The M74HC4538M1R is a dual retriggerable/resettable monostable multivibrator (one-shot) from STMicroelectronics.  

### **Manufacturer Specifications:**  
- **Supply Voltage Range:** 2V to 6V  
- **High Noise Immunity:** CMOS technology  
- **Low Power Consumption:** Typically 4µA at 5V  
- **Operating Temperature Range:** -55°C to +125°C  
- **Triggering Options:** Positive or negative edge  
- **Output Drive Capability:** 10 LSTTL loads  
- **Package:** SO-16  

### **Descriptions:**  
- The M74HC4538M1R features two independent monostable multivibrators.  
- Each multivibrator can be retriggered or reset during operation.  
- The output pulse width is determined by external timing components (resistor and capacitor).  

### **Features:**  
- Retriggerable and resettable functionality  
- Triggerable from leading or trailing edge  
- Wide operating voltage range (2V to 6V)  
- High noise immunity due to CMOS design  
- Low power consumption  
- Direct reset input for pulse termination  

For exact timing calculations and application details, refer to the datasheet.

Application Scenarios & Design Considerations

DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATOR
Partnumber Manufacturer Quantity Availability
M74HC4538M1R ST 5000 In Stock

Description and Introduction

DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATOR The M74HC4538M1R is a dual retriggerable monostable multivibrator manufactured by STMicroelectronics (ST).  

### **Specifications:**  
- **Technology:** High-Speed CMOS (HC)  
- **Supply Voltage Range:** 2V to 6V  
- **Operating Temperature Range:** -40°C to +125°C  
- **Propagation Delay:** Typically 45 ns at 5V  
- **Output Current:** ±25 mA  
- **Package:** SO-16  

### **Descriptions:**  
- The M74HC4538M1R consists of two independent retriggerable monostable multivibrators.  
- Each multivibrator can be triggered by either a positive or negative edge.  
- Features a direct reset input for immediate termination of the output pulse.  

### **Features:**  
- **Retriggerable Operation:** Allows pulse width extension by retriggering.  
- **Edge-Triggered Inputs:** Can be triggered by rising or falling edges.  
- **Wide Operating Voltage Range:** 2V to 6V.  
- **Low Power Consumption:** Typical HC family power dissipation.  
- **High Noise Immunity:** Standard CMOS input levels.  
- **Pin-Compatible with 4538 in SO-16 package.**  

This information is based on ST's official datasheet for the M74HC4538M1R.

Application Scenarios & Design Considerations

DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATOR

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