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SN74LS122DR from TI,Texas Instruments

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SN74LS122DR

Manufacturer: TI

Retriggerable monostable multivibrator

Partnumber Manufacturer Quantity Availability
SN74LS122DR TI 45000 In Stock

Description and Introduction

Retriggerable monostable multivibrator The SN74LS122DR is a monostable multivibrator (one-shot) manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Supply Voltage (VCC):** 4.75V to 5.25V  
- **Operating Temperature Range:** 0°C to 70°C  
- **Propagation Delay Time:** Typically 45 ns  
- **Output Current (High/Low):** ±8 mA / 16 mA  
- **Power Dissipation:** 85 mW (typical)  
- **Package:** SOIC-16 (DR)  

### **Descriptions:**  
- Retriggerable and resettable monostable multivibrator  
- Can be triggered by either a rising or falling edge  
- Pulse width is adjustable using external timing components (resistor and capacitor)  
- Features a clear input for immediate pulse termination  

### **Features:**  
- **Retriggerable Operation:** Allows pulse extension with additional trigger inputs  
- **Independent Trigger Inputs:** A (low-trigger) and B (high-trigger)  
- **Clear Input:** Terminates output pulse when activated  
- **Wide Pulse Width Range:** Adjustable via external RC components  
- **TTL-Compatible Inputs and Outputs**  
- **Schmitt-Trigger Inputs:** Improved noise immunity  

This device is commonly used in timing applications, pulse generation, and digital system synchronization.

Application Scenarios & Design Considerations

Retriggerable monostable multivibrator

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