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SN74AHCT123ADR from TI,Texas Instruments

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SN74AHCT123ADR

Manufacturer: TI

Dual Retriggerable Monostable Multivibrators

Partnumber Manufacturer Quantity Availability
SN74AHCT123ADR TI 2767 In Stock

Description and Introduction

Dual Retriggerable Monostable Multivibrators The SN74AHCT123ADR is a dual retriggerable monostable multivibrator manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type:** Monostable Multivibrator  
- **Number of Circuits:** 2  
- **Output Type:** Push-Pull  
- **Supply Voltage (VCC):** 4.5V to 5.5V  
- **Propagation Delay (Max):** 35 ns  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package / Case:** SOIC-16  
- **Mounting Type:** Surface Mount  
- **Trigger Type:** Negative, Positive Edge  

### **Descriptions:**  
The SN74AHCT123ADR is a dual retriggerable monostable multivibrator that generates output pulses of a defined duration when triggered. It features independent trigger and reset inputs for each multivibrator, allowing precise control over the pulse width.  

### **Features:**  
- **Retriggerable Operation:** Can be retriggered during the output pulse to extend its duration.  
- **Wide Operating Voltage Range:** 4.5V to 5.5V.  
- **Low Power Consumption:** Optimized for battery-operated applications.  
- **Schmitt-Trigger Inputs:** Allows for slow input transition and noise immunity.  
- **Direct Reset Input:** Provides immediate termination of the output pulse.  
- **High Noise Immunity:** Typical of the AHCT logic family.  
- **ESD Protection:** Exceeds 2000V per JESD 22.  

This device is commonly used in timing applications, pulse generation, and system control circuits.

Application Scenarios & Design Considerations

Dual Retriggerable Monostable Multivibrators

Alternative Part Number

  • MC74VHCT123ADR2G --: Dual retriggerable monostable multivibrator in the same 16-pin SOIC package with AHCT-compatible TTL input thresholds, a direct functional replacement.
  • 74AHCT123APW,118 --: Dual retriggerable monostable multivibrator from the AHCT logic family, same function and TTL-level inputs, available in TSSOP as a close package alternative.
  • CD74HCT123M --: HCT-family dual retriggerable monostable multivibrator in SOIC-16 with TTL-compatible inputs, pin-compatible and functionally equivalent though slightly slower.

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