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Product Detailed Parameters
- Description：IC INVERT SCHMITT 6CH 1IN 14SOIC
- Series：74AHCT
- Mfr：Texas Instruments
- Package：Tube
- 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-SOIC
- Package / Case：14-SOIC (0.154", 3.90mm Width)
- Grade：-
- Qualification：-
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Overview
The SN74AHCT14DG4 is a hex Schmitt-trigger inverter manufactured by Texas Instruments. It operates within a supply voltage range of 4.5 V to 5.5 V and features TTL-compatible inputs with CMOS outputs. The device contains six independent inverters, each equipped with Schmitt-trigger action for noise filtering. It supports a maximum output current of 8 mA at both high and low logic levels. The component is available in a 14-pin TSSOP package and is rated for an operating temperature range from -40°C to +85°C.
Feature Summary
- Hex Schmitt-trigger inverter configuration
- TTL-compatible input levels
- CMOS output drive capability
Applications
- Signal conditioning for noisy environments
- Pulse width modulation signal shaping
- Oscillator circuit integration
Procurement Notes
Verify the specific suffix 'G4' indicates lead-free and RoHS compliance status as per manufacturer documentation. Confirm the package type matches the required PCB footprint. Ensure the operating temperature range meets system requirements. Cross-reference the datasheet revision date to ensure compatibility with design specifications.
Selection Notes
Select this component when TTL-level signals require inversion and noise immunity is critical. The Schmitt-trigger input hysteresis distinguishes it from standard inverters. Verify that the 4.5 V minimum supply voltage aligns with the system power rail. Consider the TSSOP package constraints for thermal management and board space.
Part Context
This part belongs to the SN74AHCT14 family of hex inverters. It shares functional characteristics with other variants like SN74AHCT14DR but differs in packaging and compliance markings. The AHCT series bridges TTL input standards with CMOS output performance. It is distinct from non-Schmitt versions such as the SN74AHCT04.
Replacement Considerations
SN74AHCT14DR offers identical functionality in a SOIC package. SN74AHCT14DGR provides the same electrical characteristics in a smaller VSSOP package. SN74AHCT14PW serves as a pin-compatible alternative in a TSSOP variant.
