ST HCF4556B handbook

Update: 30 September, 2023

The HCF4556B is a dual 1 to 4 decoder/demultiplexer available in DIP and SOP packages. Each decoder has two select inputs (A and B), an Enable input (E), and four mutually exclusive outputs. On the HCF4556B the outputs are low on select. When the Enable input is high, the outputs is high regardless of the state of the select inputs A and B.

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File format: PDF

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MD5 Checksum: 1B021C7B2420F2734D50A635E776687B

Publication date: 10 August, 2012

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PDF Link: ST HCF4556B handbook PDF