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Product Detailed Parameters
- Description：IC INVERT SCHMITT 6CH 1IN 14SOIC
- 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-SOIC
- Package / Case：14-SOIC (0.154", 3.90mm Width)
- Grade：-
- Qualification：-
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Overview
The SN74AHCT14DR 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 provides six independent inverters, each with one input. Key electrical parameters include a maximum static current of 2 µA, output currents of 8 mA for both high and low states, and a maximum propagation delay of 8 ns at 5 V with a 50 pF load. It functions reliably across an operating temperature range of -40°C to +85°C.
Feature Summary
- Integrates six independent Schmitt-trigger inverters for signal conditioning
- Ensures noise immunity through defined input thresholds
- Provides TTL-compatible logic levels for direct interface with digital systems
Applications
- Signal wave shaping and pulse generation
- Transitioning noisy signals into clean digital logic levels
- Oscillator circuits requiring stable switching thresholds
Procurement Notes
Verify the specific suffix DR indicates the SOIC-14 surface-mount package configuration. Confirm RoHS compliance status and moisture sensitivity level requirements against your assembly process specifications. Ensure the ordering part number matches the exact manufacturer designation to avoid functional discrepancies.
Selection Notes
Select this component when TTL-level compatibility is required alongside Schmitt-trigger noise rejection capabilities. The AHCT series bridges standard TTL logic families with modern CMOS performance characteristics. Consider the SOIC-14 package dimensions and thermal properties for PCB layout constraints.
Part Context
This device belongs to the SN74AHCT14 family of hex inverters. It shares core functionality with other variants like the SN74AHCT14N (PDIP) but differs in packaging technology. The DR suffix specifically denotes the small-outline integrated circuit format suitable for automated surface-mount assembly processes.
Replacement Considerations
Direct substitutes include SN74AHCT14DRE4 and SN74AHCT14DRG4. These parts maintain identical logical functionality and pinout configurations while potentially differing in manufacturing revisions or environmental compliance certifications.
