0 to 9 asynchronous decade counter 7490 display

Published:2012/9/16 21:56:00 Author:Ecco | Keyword: 0 to 9 , asynchronous decade counter , display | From:SeekIC

The circuit is based on asynchronous decade counter 7490(IC2), a 7 segment display (D1), and a seven segment decoder/driver IC 7446 (IC1).The seven segment display consists of 7 LEDs labelled a through g. By forward biasing different LEDs, we can display the digits 0 through 9.



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