Published:2009/6/15 23:32:00 Author:May | From:SeekIC
This circuit shows how a 7448 IC is used to drive a 7-segment LCD display. Atn external 50-Hz square wave supplies necessary phase signals to the back plane of the display.
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http://www.seekic.com/circuit_diagram/LED_and_Light_Circuit/7_SEGMENT_LCD_DRIVER.html
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