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74AHCT1G14DCKTG4
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Product Detailed Parameters
- Description：IC INVERT SCHMITT 1CH 1IN SC70-5
- Series：74AHCT
- 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：4.5V ~ 5.5V
- Current - Quiescent (Max)：1 µA
- Current - Output High, Low：8mA, 8mA
- Input Logic Level - Low：0.5V ~ 0.6V
- Input Logic Level - High：2V
- Max Propagation Delay @ V, Max CL：8ns @ 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：-
- Qualification：-
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Overview
The SN74AHCT1G14DCKTG4 is a single Schmitt-trigger inverter from Texas Instruments, part of the AHCT logic family. It operates within a voltage range of 4.5 V to 5.5 V and features SC70-5 packaging. Key electrical parameters include a maximum propagation delay of 8 ns at 5 V, low power consumption with a maximum ICC of 1 μA, and output drive capabilities of ±8 mA at 5 V. The device supports an operating temperature range from -40°C to +125°C.
Feature Summary
- Integrates Schmitt-trigger inputs to provide noise filtering and hysteresis for clean signal transitions.
- Designed for high-speed digital applications with a maximum propagation delay of 8 ns at 5 V.
- Offers robust output drive capability of ±8 mA at 5 V for reliable interfacing.
Applications
- Signal conditioning for noisy digital environments
- Waveform shaping and pulse generation
- Oscillator circuits requiring stable switching thresholds
Procurement Notes
Verify the complete ordering suffix, specifically the G4 designation, which indicates lead-free status and RoHS compliance. Confirm the package type is SC70-5 (DCK) and ensure the voltage range matches the 4.5 V to 5.5 V requirement. Check for specific tape and reel specifications if automated assembly is planned.
Selection Notes
Select this component when TTL-compatible input levels are required alongside CMOS performance characteristics. The Schmitt-trigger feature is essential for applications involving slow-rise or slow-fall times to prevent multiple triggering. Ensure the supply voltage remains strictly within the 4.5 V to 5.5 V window to maintain specified timing and drive parameters.
Part Context
This device belongs to the SN74AHCT1Gxx series of single-function gates. It combines the speed of AHC technology with CMOS-compatible inputs that accept standard TTL logic levels. The SC70-5 package provides a compact solution for space-constrained designs while maintaining industrial temperature ratings.
Replacement Considerations
SN74AHCT1G14DCKTE4 is a confirmed public substitute with identical functional specifications and pinout compatibility.
FAQ
What is the primary benefit of the Schmitt-trigger input?
It provides hysteresis, which filters out noise and ensures clean output transitions even with slowly changing input signals.
Does this device support 3.3 V logic levels?
No, it is designed for a 4.5 V to 5.5 V supply range and accepts TTL-compatible input levels.
