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SN74HC14DR from TI,Texas Instruments

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SN74HC14DR

Manufacturer: TI

Hex Schmitt-Trigger Inverters

Partnumber Manufacturer Quantity Availability
SN74HC14DR TI 82444 In Stock

Description and Introduction

Hex Schmitt-Trigger Inverters The SN74HC14DR is a hex Schmitt-trigger inverter manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type:** Inverter  
- **Number of Circuits:** 6  
- **Input Type:** Schmitt Trigger  
- **Output Type:** Push-Pull  
- **Supply Voltage (VCC):** 2V to 6V  
- **High-Level Output Current:** -5.2mA  
- **Low-Level Output Current:** 5.2mA  
- **Propagation Delay (Max):** 20ns at 5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOIC-14  
- **Mounting Type:** Surface Mount  

### **Descriptions:**  
The SN74HC14DR is a high-speed CMOS logic device with Schmitt-trigger inputs, providing noise immunity and hysteresis for slow or noisy input signals. It contains six independent inverters, each with a Schmitt-trigger input for improved signal conditioning.  

### **Features:**  
- **Schmitt-Trigger Inputs:** Ensures clean output transitions even with slow or noisy inputs.  
- **Wide Operating Voltage Range:** 2V to 6V.  
- **High Noise Immunity:** Typical CMOS noise margin.  
- **Low Power Consumption:** CMOS technology ensures minimal power dissipation.  
- **Balanced Propagation Delays:** Optimized for high-speed operation.  
- **Latch-Up Performance:** Exceeds 250mA per JESD 17.  
- **ESD Protection:** HBM > 2000V, CDM > 1000V.  

This device is commonly used in signal conditioning, noise filtering, and waveform shaping applications.

Application Scenarios & Design Considerations

Hex Schmitt-Trigger Inverters

Alternative Part Number

  • MC74HC14ADG --: Hex Schmitt-trigger inverter in the same HC logic family with equivalent 2-6V supply range and pinout, widely available SOIC alternative.
  • CD74HC14M --: Same HC14 Schmitt-trigger inverter function from TI in SOIC package, direct functional equivalent with different series naming.
  • 74HC14D,653 --: Standard 74HC14 hex Schmitt-trigger inverter in SOIC-14, electrically compatible drop-in replacement from a major logic supplier.

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