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SN74AHCT14DBR from TI,Texas Instruments

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SN74AHCT14DBR

Manufacturer: TI, TEXAS

Hex Schmitt-Trigger Inverters

Partnumber Manufacturer Quantity Availability
SN74AHCT14DBR TI, TEXAS 3767 In Stock

Description and Introduction

Hex Schmitt-Trigger Inverters The SN74AHCT14DBR is a hex inverter Schmitt-trigger device manufactured by Texas Instruments. Below are its specifications, descriptions, and features based on factual data:

### **Specifications:**  
- **Manufacturer:** Texas Instruments  
- **Category:** Logic - Inverters  
- **Series:** 74AHCT  
- **Logic Type:** Inverter  
- **Number of Circuits:** 6  
- **Input Type:** Schmitt Trigger  
- **Output Type:** Push-Pull  
- **Supply Voltage (VCC):** 4.5V to 5.5V  
- **High-Level Output Current:** -8mA  
- **Low-Level Output Current:** 8mA  
- **Propagation Delay Time:** 8.5ns (typical) at 5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package / Case:** SSOP-14  
- **Mounting Type:** Surface Mount  

### **Descriptions:**  
- The SN74AHCT14DBR is a hex inverter with Schmitt-trigger inputs, designed for 5V VCC operation.  
- It features hysteresis for improved noise immunity and stable switching.  
- Suitable for wave shaping, pulse conditioning, and noise filtering applications.  

### **Features:**  
- **Schmitt-Trigger Inputs:** Ensures clean output transitions even with slow or noisy input signals.  
- **Wide Operating Voltage Range:** 4.5V to 5.5V.  
- **Balanced Propagation Delays:** Optimized for high-speed operation.  
- **Low Power Consumption:** Typical ICC of 1µA (max).  
- **High Noise Immunity:** CMOS input levels with TTL compatibility.  
- **ESD Protection:** Exceeds 2000V per JESD 22.  

This information is based solely on the manufacturer's datasheet and specifications.

Application Scenarios & Design Considerations

Hex Schmitt-Trigger Inverters

Alternative Part Number

  • 74AHCT14PW,118 --: Same AHCT hex inverting Schmitt-trigger function in a TSSOP package, pin-compatible with the SSOP DB package and widely available.
  • MC74AHCT14DTR2G --: Direct functional equivalent hex Schmitt-trigger inverter in AHCT logic family with TSSOP package, good second source.
  • SN74AHCT14PWR --: Same TI AHCT14 die in a TSSOP package, electrically identical and suitable when SSOP DB footprint can be adapted.
  • MC74VHCT14ADTR2G --: Hex Schmitt-trigger inverter with TTL-compatible inputs and comparable propagation delay, suitable drop-in for level-shifting and debounce applications.
  • SN74LVC14APWR --: Hex Schmitt-trigger inverter from the same vendor in TSSOP; LVC family offers similar or better speed with wider supply range, though input thresholds differ slightly from AHCT.

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