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SN74LV14A from TI,Texas Instruments

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SN74LV14A

Manufacturer: TI, TEXAS

Hex Schmitt-Trigger Inverters

Partnumber Manufacturer Quantity Availability
SN74LV14A TI, TEXAS 2525 In Stock

Description and Introduction

Hex Schmitt-Trigger Inverters The SN74LV14A is a hex Schmitt-trigger inverter manufactured by Texas Instruments. Below are its specifications, descriptions, and features:

### **Specifications:**  
- **Supply Voltage Range:** 2 V to 5.5 V  
- **Input Voltage Range:** 0 V to VCC  
- **Output Voltage Range:** 0 V to VCC  
- **Operating Temperature Range:** -40°C to +85°C  
- **Propagation Delay (tPD):** 8.5 ns (typical at 5 V)  
- **Input Hysteresis (ΔVT):** 0.5 V (typical at 5 V)  
- **Output Drive Capability:** ±12 mA at 5 V  
- **Low Power Consumption:** ICC (static) typically 2 µA  
- **ESD Protection:** Exceeds 2000 V (HBM)  

### **Description:**  
The SN74LV14A is a hex inverter with Schmitt-trigger inputs, designed for 2-V to 5.5-V VCC operation. It features hysteresis on the inputs, which allows for improved noise immunity and signal conditioning. The device is suitable for interfacing with slow or noisy signals and is commonly used in waveform shaping, debouncing switches, and level translation applications.  

### **Features:**  
- **Hex Inverter with Schmitt-Trigger Inputs**  
- **Wide Operating Voltage Range (2 V to 5.5 V)**  
- **High Noise Immunity Due to Input Hysteresis**  
- **Low Power Consumption**  
- **Balanced Propagation Delays**  
- **Latch-Up Performance Exceeds 250 mA per JESD 17**  
- **Available in Multiple Package Options (SOIC, TSSOP, PDIP, etc.)**  

This device is part of Texas Instruments' LV (Low-Voltage) family, optimized for mixed-voltage system designs.

Application Scenarios & Design Considerations

Hex Schmitt-Trigger Inverters

Alternative Part Number

  • MC74VHC14DR2G --: Hex Schmitt-trigger inverter in the same logic family class with similar 2-5.5V supply range and pin-compatible SOIC package, widely available and cost-effective.
  • 74HC14D --: Classic 74HC hex Schmitt-trigger inverter with comparable threshold behavior and drive strength, direct functional replacement in most 5V/3.3V designs.
  • CD74HC14E --: Same manufacturer's HC-series hex Schmitt-trigger inverter, offering similar electrical characteristics and easy qualification as a drop-in alternative.
  • CD74ACT14E --: Same manufacturer's ACT-family hex Schmitt-trigger inverter offering TTL-compatible inputs and comparable drive, useful when a different logic family is acceptable.

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