资料介绍
74LS192.pdf 54LS192 DM74LS192 Up Down Decade Counter with Separate Up Down Clocks
May 1992
54LS192 DM74LS192 Up Down Decade Counter
with Separate Up Down Clocks
General Description
The ’LS192 is an up down BCD decade (8421) counter Separate Terminal Count Up and Terminal Count Down out-
Separate Count Up and Count Down Clocks are used and in puts are provided which are used as the clocks for a subse-
either counting mode the circuits operate synchronously
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