74 series of digital circuit, 74143,74144 4-bit counter / latch, seven-segment LED / lamp driver

Published:2011/7/24 4:32:00 Author:Lucas | Keyword: 74 series , digital circuit, 4-bit counter , 4-bit latch, seven-segment LED , lamp driver | From:SeekIC

The constant current of 74143 is 15mA, and the output range is 1-5V; the indicating voltage of 74144 is above 15V, and current is more than 25mA with OC output. 74145 functional table



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