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Product Detailed Parameters
- Description：IC INVERT SCHMITT 1CH 1IN SC70-5
- Series：74AHC
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Logic Type：Inverter
- Number of Circuits：1
- Number of Inputs：1
- Features：Schmitt Trigger
- Voltage - Supply：2V ~ 5.5V
- Current - Quiescent (Max)：1 µA
- Current - Output High, Low：8mA, 8mA
- Input Logic Level - Low：0.5V ~ 1.65V
- Input Logic Level - High：1.5V ~ 3.85V
- Max Propagation Delay @ V, Max CL：7.5ns @ 5V, 50pF
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Supplier Device Package：SC-70-5
- Package / Case：5-TSSOP, SC-70-5, SOT-353
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The SN74AHC1G14QDCKRQ1 is an automotive-grade single Schmitt-trigger inverter gate from Texas Instruments. It operates within a supply voltage range of 2 V to 5.5 V and supports junction temperatures from -40°C to +125°C. The device features balanced CMOS push-pull outputs capable of ±8 mA drive current at 5 V, with a maximum static supply current of 10 µA. Propagation delays are specified as low as 1 ns under typical conditions. It includes hysteresis for noise immunity and meets AEC-Q100 Grade 1 qualification standards.
Feature Summary
- Schmitt-trigger input architecture provides distinct positive-going and negative-going threshold voltages for enhanced noise tolerance.
- Balanced CMOS push-pull output structure ensures similar sourcing and sinking capabilities for fast signal edges.
- Automotive qualification compliant with AEC-Q100 standards for reliability in demanding environments.
- High latch-up performance exceeding 250 mA per JESD 17 specification.
Applications
- Synchronizing inverted clock inputs
- Switch debounce circuits
- Digital signal inversion
Procurement Notes
Verify the specific ordering suffix 'DCK' corresponds to the SC-70-5 package variant required for your design. Confirm that the 'Q1' designation aligns with your project's automotive qualification requirements. Ensure the selected component matches the intended operating temperature range and voltage specifications defined in the datasheet before finalizing procurement orders.
Selection Notes
Select this component when a single inverter with Schmitt-trigger inputs is required for noisy environments or slow signal transitions. It is suitable for applications needing high drive capability and robust ESD protection. Consider the SC-70-5 package constraints regarding thermal dissipation and board space. Verify compatibility with system logic levels across the full 2 V to 5.5 V operating range.
Part Context
This part belongs to the SN74AHC1G series of single-gate logic devices. The 'Q1' suffix indicates automotive qualification, while 'DCK' specifies the SC-70-5 surface-mount package. It is part of Texas Instruments' portfolio designed for compact, high-performance digital logic applications requiring reliable operation in automotive systems.
Replacement Considerations
SN74AHC1G14QDBVRQ1 (SOT-23-5 package)
