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HD74LS123 from HIT

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HD74LS123

Manufacturer: HIT

Dual Retriggerable Monostable Multivibrators (with Clear)

Partnumber Manufacturer Quantity Availability
HD74LS123 HIT 60 In Stock

Description and Introduction

Dual Retriggerable Monostable Multivibrators (with Clear) The HD74LS123 is a dual retriggerable monostable multivibrator manufactured by Hitachi (now part of Renesas Electronics).  

### **Key Specifications:**  
- **Logic Family:** LS-TTL (Low-Power Schottky TTL)  
- **Function:** Dual retriggerable monostable multivibrator  
- **Operating Voltage (VCC):** 4.75V to 5.25V  
- **Propagation Delay:** Typically 45 ns  
- **Output Current (High/Low):** ±8 mA / 16 mA  
- **Pulse Width Adjustable:** Via external resistor (R) and capacitor (C)  
- **Temperature Range:** Commercial (0°C to +70°C)  
- **Package Options:** 16-pin DIP (Dual In-line Package)  

### **Features:**  
- Retriggerable for extended pulse width  
- Clear input for immediate pulse termination  
- Direct replacement for 74LS123  

For exact timing calculations, refer to the datasheet for resistor (R) and capacitor (C) formulas.  

Would you like additional details on pin configuration or timing diagrams?

Partnumber Manufacturer Quantity Availability
HD74LS123 HITACHI 86 In Stock

Description and Introduction

Dual Retriggerable Monostable Multivibrators (with Clear) The HD74LS123 is a dual retriggerable monostable multivibrator manufactured by Hitachi. Here are its key specifications:

1. **Technology**: LS-TTL (Low-Power Schottky TTL)  
2. **Supply Voltage (VCC)**: 4.75V to 5.25V (standard 5V operation)  
3. **Power Dissipation**: Typically 40mW per package  
4. **Propagation Delay**: Typically 20ns  
5. **Output Current**:  
   - High-Level Output: -0.4mA  
   - Low-Level Output: 8mA  
6. **Operating Temperature Range**: 0°C to 70°C  
7. **Package Options**: DIP (Dual In-line Package) and other standard TTL packages  
8. **Features**:  
   - Retriggerable operation  
   - Direct clear input for pulse termination  
   - Independent trigger and clear inputs for each multivibrator  

For exact timing parameters (pulse width), refer to external timing components (R, C) as per the datasheet.  

(Note: Always verify with the official Hitachi datasheet for precise details.)

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