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TC74HC123AFN from TOSHIBA

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TC74HC123AFN

Manufacturer: TOSHIBA

DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATOR

Partnumber Manufacturer Quantity Availability
TC74HC123AFN TOSHIBA 3150 In Stock

Description and Introduction

DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATOR The TC74HC123AFN is a dual retriggerable monostable multivibrator manufactured by Toshiba. Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Supply Voltage (VCC):** 2V to 6V  
- **High-Level Input Voltage (VIH):** 3.15V (min) at VCC = 4.5V  
- **Low-Level Input Voltage (VIL):** 1.35V (max) at VCC = 4.5V  
- **High-Level Output Current (IOH):** -5.2mA (min) at VCC = 4.5V  
- **Low-Level Output Current (IOL):** 5.2mA (min) at VCC = 4.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-pin plastic DIP (FN)  

### **Description:**  
The TC74HC123AFN is a high-speed CMOS logic IC that contains two independent retriggerable monostable multivibrators. It is designed for pulse-width control in timing applications and can be triggered by either the positive or negative edge of an input pulse.  

### **Features:**  
- **Retriggerable Operation:** Allows the output pulse width to be extended by retriggering.  
- **Edge-Triggered Inputs:** Can be triggered by rising or falling edges.  
- **Wide Operating Voltage Range:** 2V to 6V.  
- **Low Power Consumption:** CMOS technology ensures low power dissipation.  
- **High Noise Immunity:** Typical of HC-series CMOS devices.  
- **Output Drive Capability:** Can drive up to 10 LSTTL loads.  
- **Pin-Compatible with 74LS123:** Can be used as a drop-in replacement in some applications.  

This information is strictly factual and derived from Ic-phoenix technical data files.

Application Scenarios & Design Considerations

DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATOR

Alternative Part Number

  • SN74HC123AN --: Direct functional equivalent dual retriggerable monostable multivibrator in the same HC logic family, widely available and pin-compatible in DIP/SOIC packages.
  • MC74HC123AN --: Same dual retriggerable monostable multivibrator function with HC-speed CMOS logic, drop-in replacement with comparable electrical characteristics.
  • CD74HC123E --: Harris/Intersil-lineage dual retriggerable monostable multivibrator offering equivalent logic function and timing behavior for the TC74HC123AFN.
  • MC74HC123ANG --: Equivalent dual retriggerable monostable multivibrator in PDIP-16, same HC speed family and compatible pinout.

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