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Product Detailed Parameters
- Description：IC GATE NOR
- Series：*
- Mfr：Texas Instruments
- Package：Bulk
- Logic Type：-
- Number of Circuits：-
- Number of Inputs：-
- Features：-
- Voltage - Supply：-
- Current - Quiescent (Max)：-
- Current - Output High, Low：-
- Input Logic Level - Low：-
- Input Logic Level - High：-
- Max Propagation Delay @ V, Max CL：-
- Operating Temperature：-
- Mounting Type：-
- Supplier Device Package：-
- Package / Case：-
- Grade：-
- Qualification：-
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Overview
The SN74AHC2G02HDCU3 is a dual 2-input positive-NOR gate manufactured by Texas Instruments. It belongs to the AHC logic family and utilizes CMOS technology. The device operates within a supply voltage range of 2 V to 5.5 V. It features low dynamic power consumption and accepts 5-V tolerant inputs and outputs. The component is housed in an 8-pin TSSOP package.
Feature Summary
- Dual 2-input positive-NOR logic function
- 5-V tolerant I/O structure for mixed-voltage interfaces
- Low dynamic power consumption characteristics
Applications
- Portable battery-powered equipment
- Consumer electronics with mixed voltage domains
- Computing and instrumentation systems
Procurement Notes
Verify the specific suffix HDCU3 against the official Texas Instruments datasheet to confirm the TSSOP-8 package type and tape-and-reel quantity. Ensure the order matches the exact part number to avoid confusion with similar AHC series variants that may have different pinouts or electrical specifications.
Selection Notes
Select this component when a compact dual NOR gate is required for low-power applications. The 5-V tolerance allows direct interfacing between 3.3-V and 5-V logic levels without level shifters. Consider the TSSOP-8 package constraints for PCB layout and thermal management requirements.
Part Context
This part is part of the SN74AHC2Gxx series, which provides high-speed digital logic functions in small packages. The AHC family offers performance comparable to standard 74HC devices but with lower power consumption. This specific NOR gate variant supports efficient design in space-constrained portable devices.
Replacement Considerations
Compatible substitutes include other SN74AHC2G02 variants from Texas Instruments with identical logical functionality. Verify package compatibility and electrical parameters before substitution. Cross-reference with equivalent parts from other manufacturers only if they meet the same voltage and speed specifications.
