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Product Detailed Parameters
- Description：IC INVERT SCHMITT 6CH 1IN 14SOIC
- Series：74AHC
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Logic Type：Inverter
- Number of Circuits：6
- Number of Inputs：1
- Features：Schmitt Trigger
- Voltage - Supply：2V ~ 5.5V
- Current - Quiescent (Max)：2 µA
- Current - Output High, Low：8mA, 8mA
- Input Logic Level - Low：0.9V ~ 1.65V
- Input Logic Level - High：2.2V ~ 3.85V
- Max Propagation Delay @ V, Max CL：10.6ns @ 5V, 50pF
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Supplier Device Package：14-SOIC
- Package / Case：14-SOIC (0.154", 3.90mm Width)
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The SN74AHC14QDRG4Q1 is an automotive-grade hex Schmitt-trigger inverter manufactured by Texas Instruments. It belongs to the AHC logic series and utilizes CMOS technology. The device operates within a supply voltage range of 2 V to 5.5 V and supports a wide operating temperature range from -40°C to +125°C. It features six independent inverters with Schmitt-trigger inputs for noise filtering. The component is housed in a 14-pin SOIC package and holds AEC-Q100 qualification for automotive applications.
Feature Summary
- Automotive catalog grade qualification ensuring reliability for vehicle electronics
- Hex Schmitt-trigger configuration provides noise immunity and signal conditioning
- Wide supply voltage operation compatible with various system power rails
Applications
- Automotive electronic control units requiring robust signal inversion
- Microcontroller input pin protection against noisy signals
- Pulse generation and waveform shaping in automotive circuits
Procurement Notes
Verify the complete part number including suffixes such as G4 and Q1, as these indicate specific packaging, lead-free status, and automotive qualification respectively. Confirm that the SOIC-14 package matches your PCB footprint requirements. Ensure the supplier provides documentation verifying AEC-Q100 compliance for your specific quality standards.
Selection Notes
Select this component when designing for automotive environments requiring high noise immunity due to its Schmitt-trigger inputs. It is suitable for systems needing operation across a broad temperature range up to 125°C. Consider the 2V to 5.5V supply range compatibility with existing logic levels. Verify that the propagation delay characteristics meet your timing constraints compared to standard HC or LVC families.
Part Context
This part is part of Texas Instruments' SN74AHC14Q family of automotive logic devices. It shares functional similarities with other members like SN74AHC14DR but includes specific automotive qualification markings. The 'Q1' suffix denotes automotive grade, while 'G4' indicates lead-free and RoHS-compliant manufacturing. It serves as a specialized variant for harsh electromagnetic environments found in vehicles.
Replacement Considerations
SN74AHC14DR is a non-automotive commercial equivalent with identical electrical specifications but lacks AEC-Q100 certification. SN74HC14QDRG4Q1 offers similar functionality but belongs to the HC series with different drive strength and speed characteristics. Verify package compatibility and thermal performance before substituting.
