CD4532 8-Bit Priority Encoder IC DIP-16
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Prices updated: 13 Oct 2026
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About this product
The CD4532 is a CMOS 8-to-3 priority encoder supplied in a 16-pin DIP package. It takes eight inputs, with D7 as the highest priority and D0 as the lowest, and outputs the highest-priority active input as a 3-bit binary code. Enable pins allow several stages to be cascaded for more inputs.
Specifications
- Number of inputs
- 8 (D7–D0)
- Output code
- 3-bit binary (Q2–Q0)
- Package
- 16-pin DIP
- Logic family
- CMOS (4000 series)
Frequently asked questions
Can several CD4532 be cascaded for more than 8 inputs?
Yes. Connect the EO output of a higher-priority stage to the EI input of the next lower-priority stage. EO is high when no priority inputs are present, and GS indicates that a priority input is active.
What should I do with unused inputs?
Tie unused inputs to a defined logic level, normally low, rather than leaving them floating. Floating CMOS inputs can cause erratic behavior and extra current draw.
