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The National Semiconductor CD4070BDC is a CMOS integrated circuit belonging to the 4000 series logic family. It contains four independent 2-input Exclusive-OR (XOR) gates within a single package. The device operates on a wide supply voltage range, typically from 3V to 15V, ensuring compatibility with various digital systems. It features high noise immunity and low static power consumption characteristic of CMOS technology. The component is designed for general-purpose logic applications requiring exclusive-OR functionality.
Verify the manufacturer origin as National Semiconductor or its successors, noting that acquisition by Texas Instruments may affect current production status. Confirm the specific suffix 'DC' indicates the dual-in-line package configuration. Ensure the component meets required RoHS compliance standards if applicable to the target application environment. Cross-reference datasheets from authorized distributors to confirm availability and authenticity.
Select this component when multiple independent XOR operations are required in a compact form factor. Consider the 4000 series CMOS characteristics regarding speed and drive capability relative to other logic families. Evaluate the package type suitability for the intended PCB layout and thermal requirements. Verify voltage levels match the system's logic thresholds across the full operating temperature range.
This part belongs to the standard 4000 series CMOS logic family, widely used in industrial and consumer electronics. As a legacy product from National Semiconductor, it represents a foundational building block for digital design. The 4070 variant specifically addresses the need for exclusive-OR logic without requiring external components. Its pinout and electrical characteristics are standardized across major manufacturers for interchangeability.
Compatible substitutes include the CD4070BM from Texas Instruments and the HEF4070BDF from NXP. These alternatives share identical logical functions and pin configurations. Verify package dimensions and electrical specifications to ensure direct replacement capability without circuit modification.