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Product Detailed Parameters
- Description：IC GATE NOR QUAD 2-INP
- 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 SN700453DR is a quad 2-input NOR gate manufactured by Texas Instruments. It belongs to the SN54/74HCT logic family, designed for high-speed digital applications. The device features Schmitt-trigger inputs on all channels to ensure noise immunity and clean signal transitions. It operates within a supply voltage range of 4.5V to 5.5V. The component is housed in a 16-pin SOIC package with a standard lead pitch.
Feature Summary
- Quad configuration providing four independent 2-input NOR gates
- Schmitt-trigger inputs for enhanced noise rejection
- High-speed CMOS technology for low power consumption
Applications
- Digital logic circuits requiring noise-immune switching
- Signal conditioning and waveform shaping
- General-purpose logic functions in industrial control systems
Procurement Notes
Verify the exact datasheet revision and package marking against the physical component. Confirm RoHS compliance status as per the specific manufacturing lot. Ensure the ordering part number matches the required temperature grade and packaging type. Cross-reference the manufacturer's latest documentation for any design changes or lifecycle notices before finalizing procurement.
Selection Notes
Select this component when Schmitt-trigger action is required for noisy environments. Compare propagation delay specifications against system timing requirements. Verify that the 5V supply voltage aligns with the target circuit design. Consider the 16-pin SOIC footprint constraints during PCB layout planning.
Part Context
This part is part of the SN54/74HCT series, which offers compatibility with TTL logic levels while utilizing CMOS technology. It serves as a fundamental building block for complex digital designs. The HCT designation indicates compatibility with standard 5V CMOS and TTL outputs.
Replacement Considerations
Check for direct pin-compatible alternatives from the same HCT family. Verify functional equivalence regarding input thresholds and output drive capabilities. Ensure substitute parts meet the same operating temperature and voltage specifications.
