You're currently on: Catalog » DIY Kits, Electronics and ICs » 4543 – BCD-to-7-segment latch/decoder/driver for LCDs, CMOS 4000B, DIP-16 (generic)
The 4543 is a 4000B-series CMOS IC that converts a 4-bit BCD value into the seven segment signals for one digit. It has a built-in latch (latch disable input), a blanking input and a phase input, which makes it particularly suited to driving LCDs with an AC drive signal; with the phase input tied it can also drive LED displays through driver transistors. 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 (Toshiba TC4543BP); only the background was cleaned to white, preserving the marking and leads.
Minimum order: 1 pc.
CD4543B datasheet (Texas Instruments, reference)
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