74 series digital circuit of 7446A/47 BCD seven segment decoder/driver(OC)

Published:2011/4/2 0:56:00 Author:Ecco | Keyword: digital circuit, seven segment, decoder, driver | From:SeekIC

7446A/47,A74L46/47, 74LS47BCD seven segment decoder/driver(OC) Open-collector output direct indicator; Pilot light input; Leading edge and back porch zero lights turning off control; Having the function of light intensity modulation; Effective low-level output; The maximum output voltage: 46A, L46 are 30V, 47A, L47, LS47 are 15V; Absorbing current: 46A, 47A are 40mA, L46, L47are 20mA, LS47 is 24mA. The fonts of 7446 and 74246are different, the fonts of 7447 and 74247 are different, others are the same and could be changed in each other. . The input data is 8421 code.



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