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74AHCT1G02DCKRG4
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Product Detailed Parameters
- Description：IC GATE NOR 1CH 2-INP SC70-5
- Series：74AHCT
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Logic Type：NOR 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：7.5ns @ 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 SN74AHCT1G02DCKRG4 is a single 2-input positive NOR gate from Texas Instruments, belonging to the 74AHCT logic series. It operates within a supply voltage range of 4.5 V to 5.5 V and features three-state outputs. The device utilizes CMOS and TTL input compatibility, ensuring seamless integration with standard logic families. Packaged in a compact SC-70-5 (SOT-353) surface-mount case, it supports operation across an extended temperature range from -40°C to +125°C. Key electrical characteristics include a propagation delay of approximately 11.4 ns and output drive currents of ±8 mA, making it suitable for high-speed digital applications requiring low power consumption and robust noise immunity.
Feature Summary
- Single-channel 2-input positive NOR logic function
- Three-state output capability for bus-driven applications
- CMOS/TTL input compatibility for broad interface support
- Extended industrial operating temperature range
Applications
- Portable battery-powered equipment
- Consumer electronics
- Computing platforms
- Industrial control systems
Procurement Notes
Verify the specific ordering suffix 'RG4' against the manufacturer's current datasheet to confirm RoHS compliance status and packaging details. Ensure the SC-70-5 footprint matches the design layout. Confirm that the 4.5V to 5.5V supply requirement aligns with the target system voltage rails before finalizing procurement.
Selection Notes
Select this component when a single NOR gate with three-state outputs is required in a minimal footprint. The AHCT series ensures compatibility with 5V CMOS and TTL devices. Consider the SC-70-5 package size constraints and verify that the 8 mA output drive current meets the load requirements of the connected circuitry.
Part Context
This part belongs to the SN74AHCT1Gxx family of single-gate logic ICs designed for space-constrained applications. The AHCT series bridges the gap between older TTL standards and modern CMOS technologies by providing TTL-compatible inputs while maintaining CMOS low-power advantages. The '1G' designation indicates a single functional unit within a minimal package.
Replacement Considerations
Direct substitutes include other SN74AHCT1G02 variants from Texas Instruments with different packaging options, such as SOT-23-5 or WSON-6, provided the pinout remains compatible. Cross-reference with equivalent parts from other manufacturers offering 74AHCT1G02 specifications in similar small-outline packages.
