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74AHCT1G32DCKRG4
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Product Detailed Parameters
- Description：IC GATE OR 1CH 2-INP SC70-5
- Series：74AHCT
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Logic Type：OR Gate
- Number of Circuits：1
- Number of Inputs：2
- Features：-
- Voltage - Supply：4.5V ~ 5.5V
- Current - Quiescent (Max)：1 µA
- Current - Output High, Low：8mA, 8mA
- Input Logic Level - Low：0.8V
- Input Logic Level - High：2V
- Max Propagation Delay @ V, Max CL：7.9ns @ 5V, 50pF
- Operating Temperature：-40°C ~ 85°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 SN74AHCT1G32DCKRG4 is a single 2-input positive-OR gate from the Texas Instruments AHC/T logic family. It operates within a supply voltage range of 4.5 V to 5.5 V and supports an input voltage range of 0 V to 5.5 V. The device functions over an extended temperature range of -40°C to +85°C. It utilizes a 5-pin SC-70 package, specifically SOT-353, with a maximum propagation delay of 9 ns at 5 V. The component features low static power dissipation and is RoHS compliant.
Feature Summary
- Provides a single 2-input positive-OR logic function in a compact surface-mount package.
- Compatible with standard 5-V CMOS logic families through defined input/output thresholds.
- Designed for low-power applications with minimal static current consumption.
- Supports high-speed signal processing with specified propagation delay characteristics.
Applications
- Digital logic circuit design requiring OR functionality
- Signal routing and selection in 5-V systems
- Portable electronic devices due to low power consumption
- Industrial control systems operating within extended temperature ranges
Procurement Notes
Verify the complete part number including the G4 suffix to ensure compliance with specific environmental standards such as RoHS and lead-free requirements. Confirm the package type matches the SC-70 (SOT-353) footprint on your PCB layout. Check the datasheet for handling precautions regarding electrostatic discharge sensitivity during assembly and storage processes.
Selection Notes
Select this component when a single OR gate is required in a 5-V digital system. Ensure the application voltage remains within the 4.5 V to 5.5 V range for optimal performance. Consider the SC-70 package size constraints against available board space. Verify that the input signal levels are compatible with the AHCT logic thresholds for reliable switching.
Part Context
This device belongs to the Texas Instruments SN74AHC(T)1Gxx series, which offers single-gate solutions in ultra-small packages. The 'T' designation indicates compatibility with TTL input voltages while maintaining CMOS output characteristics. This series is designed to replace older discrete logic components, reducing board space and simplifying design complexity in modern electronics.
Replacement Considerations
Direct substitutes include SN74AHCT1G32DCKR and SN74AHCT1G32DCKRE4. These variants share identical logical functions and pinouts but may differ in packaging quantities or specific manufacturing revisions. Verify package dimensions and electrical specifications before substitution.
