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Product Detailed Parameters
- Description：IC INVERT SCHMITT 6CH 1IN 14SSOP
- Series：74AHCT
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT),Bulk
- Logic Type：Inverter
- Number of Circuits：6
- Number of Inputs：1
- Features：Schmitt Trigger
- Voltage - Supply：4.5V ~ 5.5V
- Current - Quiescent (Max)：2 µA
- Current - Output High, Low：8mA, 8mA
- Input Logic Level - Low：0.5V ~ 0.6V
- Input Logic Level - High：1.9V ~ 2.1V
- Max Propagation Delay @ V, Max CL：8ns @ 5V, 50pF
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Supplier Device Package：14-SSOP
- Package / Case：14-SSOP (0.209", 5.30mm Width)
- Grade：-
- Qualification：-
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Overview
The SN74AHCT14DBR is a hex Schmitt-trigger inverter manufactured by Texas Instruments. It belongs to the 74AHCT logic family, utilizing CMOS technology with TTL-compatible inputs. The device operates within a supply voltage range of 4.5 V to 5.5 V and supports a wide operating temperature range from -40°C to +85°C. It is housed in a 14-pin SSOP package designed for surface-mount applications.
Feature Summary
- Hex configuration providing six independent Schmitt-trigger inverter channels
- TTL-compatible input thresholds enabling direct interfacing with TTL logic sources
- Schmitt-trigger action ensures clean signal transitions and noise immunity
Applications
- Signal conditioning for noisy digital environments
- Waveform shaping of slow-rise or slow-fall signals
- Oscillator circuit implementations requiring precise threshold control
Procurement Notes
Verify the specific suffix 'DBR' confirms the SSOP-14 package and tape-and-reel shipping format. Confirm RoHS compliance status matches current manufacturing standards. Ensure the ordering part number aligns exactly with the required logic family and pinout specifications before finalizing procurement.
Selection Notes
Select this component when TTL-level compatibility is required alongside CMOS low power consumption. The Schmitt-trigger feature is essential for applications involving degraded or slow-moving digital signals. Verify that the SSOP-14 footprint fits the target PCB layout constraints and thermal requirements.
Part Context
This component is part of the broader 74AHCT series, which bridges the gap between high-speed CMOS performance and standard TTL logic levels. It serves as a functional replacement for older 74HCT14 devices while offering improved speed and lower power characteristics suitable for modern embedded systems.
Replacement Considerations
Direct pin-compatible substitutes include SN74HCT14DBR and SN74HC14DBR. Verify voltage tolerance differences; HC variants may require higher input voltages than AHCT. Cross-reference datasheets for propagation delay variations.
