You're currently on: Catalog » DIY Kits, Electronics and ICs » 4020 – 14-stage binary ripple counter, CMOS 4000B, DIP-16 (generic)
The 4020 is a 4000B-series CMOS IC containing a 14-stage binary ripple counter. It counts on the negative clock edge, has a reset input and brings out outputs Q1 and Q4–Q14, so it can be used as a frequency divider up to 1:16384. Like most 4000B parts it works over a wide supply range (typically 3–15 V for the B series); check the limits in the datasheet for the specific manufacturer. It comes in a 16-pin plastic DIP.
Condition: mixed surplus lot, untested. The bag may contain used (pulled) ICs of the same type from different manufacturers, so marking and date code vary. The photo shows one chip from this lot (SGS HCF4020BE); only the background was cleaned to white, preserving the marking and leads.
Minimum order: 1 pc.
CD4020B datasheet (Texas Instruments, reference)
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