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Product Detailed Parameters
- Description：IC GATE NOR
- Series：-
- Mfr：National Semiconductor
- 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 CD4025BDC is a triple 3-input NOR gate manufactured by National Semiconductor, belonging to the 4000/14000/40000 series. It is constructed using complementary metal-oxide semiconductor (CMOS) technology with N-channel and P-channel enhancement mode transistors. The device features three independent logic gates, each accepting three inputs. It operates within a supply voltage range of 3 V to 18 V, with typical parametric ratings at 5 V and 10 V. The component supports an operating temperature range from -55 °C to 125 °C and exhibits a propagation delay of approximately 300 ns.
Feature Summary
- Monolithic CMOS construction utilizing N- and P-channel enhancement mode transistors for low power consumption
- High noise immunity characteristics suitable for demanding environments
- Wide supply voltage operational range supporting diverse system requirements
Applications
- General-purpose digital logic circuits requiring triple NOR functionality
- Industrial control systems operating across extended temperature ranges
- Military and aerospace electronic assemblies
Procurement Notes
Verify the specific suffix 'BDC' against official National Semiconductor or Texas Instruments documentation to confirm package type and military qualification status. Ensure compatibility with existing 4000-series CMOS designs regarding voltage levels and input protection diodes. Cross-reference datasheets for absolute maximum ratings to prevent device damage during integration.
Selection Notes
Select this component when a triple 3-input NOR function is required in a CMOS process. Consider the wide supply voltage range and high noise immunity for robust performance. Verify that the DIP-14 package format meets the board layout constraints. Compare propagation delays and power dissipation against alternative logic families if speed or efficiency is critical.
Part Context
This part belongs to the standard 4000-series CMOS logic family, widely used for general-purpose digital applications. It is functionally similar to other triple 3-input logic gates like the NAND variant CD4023. The device represents legacy silicon originally developed by National Semiconductor, now maintained under Texas Instruments after acquisition.
Replacement Considerations
Compatible substitutes include CD4025BC, CD4025BM, and equivalent parts from other manufacturers adhering to the 4000-series specification. Verify pinout compatibility and electrical parameters before substitution.
