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Product Detailed Parameters
- Description：IC GATE NOR 3CH 3-INP 14-SO
- 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 SN74F27NS is a triple 3-input positive-NOR gate manufactured by Texas Instruments. It belongs to the SN74F logic series, utilizing bipolar technology for high-speed performance. The device operates within a supply voltage range of 4.5 V to 5.5 V and features a propagation delay of 10 ns. It is housed in a 14-pin Small Outline (SO) package designed for surface-mount installation. The component supports an operating temperature range from 0°C to +70°C.
Feature Summary
- Contains three independent 3-input NOR gates performing Boolean functions Y = A • B • C or Y = A + B + C
- Utilizes bipolar F-series technology for high-speed switching capabilities
- Designed for surface-mount applications with a 14-pin SOIC package
Applications
- Digital logic circuit design requiring multi-input NOR operations
- High-speed data processing systems
- Industrial control logic interfaces
Procurement Notes
Verify the specific suffix 'NS' confirms the 14-pin SOIC package and commercial temperature grade. Ensure compatibility with standard surface-mount assembly processes. Confirm RoHS compliance status through official manufacturer documentation prior to integration into regulated products.
Selection Notes
Select this component when three independent 3-input NOR functions are required in a compact surface-mount form factor. The F-series offers faster switching speeds compared to standard 74LS equivalents. Verify that the 4.5V to 5.5V supply voltage aligns with the system power architecture.
Part Context
This part is part of the Texas Instruments SN74F family of high-speed bipolar logic devices. The SN74F series provides significant speed improvements over earlier TTL standards while maintaining compatible pinouts. The NS suffix specifically denotes the small outline package variant suitable for automated PCB assembly.
Replacement Considerations
Compatible substitutes include other manufacturers' SN74F27 equivalents in 14-SOIC packages. Verify pinout compatibility and electrical specifications such as propagation delay and output current drive before substitution.
