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SN74LS123 from TI,Texas Instruments

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SN74LS123

Manufacturer: TI

RETRIGGERABLE MONOSTABLE MULTIVIBRATORS

Partnumber Manufacturer Quantity Availability
SN74LS123 TI 1299 In Stock

Description and Introduction

RETRIGGERABLE MONOSTABLE MULTIVIBRATORS The SN74LS123 is a dual retriggerable monostable multivibrator manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Family:** LS (Low-Power Schottky)  
- **Number of Circuits:** 2  
- **Supply Voltage Range:** 4.75V to 5.25V  
- **Propagation Delay:** Typically 45 ns  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package Options:** PDIP (Plastic Dual In-Line Package), SOIC (Small Outline IC)  
- **Input Type:** Schmitt Trigger  
- **Output Type:** Push-Pull  

### **Descriptions:**  
The SN74LS123 features two independent retriggerable monostable multivibrators, each capable of generating precise output pulses. The pulse width can be controlled using external timing components (resistor and capacitor).  

### **Features:**  
- **Retriggerable Operation:** Allows extending the output pulse by retriggering before the pulse ends.  
- **Clear Input:** Provides immediate termination of the output pulse.  
- **Schmitt-Trigger Inputs:** Ensures noise immunity.  
- **Wide Range of Pulse Widths:** Adjustable via external RC components.  
- **Low Power Consumption:** Typical power dissipation of 45 mW.  

For exact timing calculations, refer to the datasheet for resistor and capacitor selection formulas.

Application Scenarios & Design Considerations

RETRIGGERABLE MONOSTABLE MULTIVIBRATORS

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