help me about counter by ic counter

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cuocdoi

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My teacher give me exercise
Design 4 digit conuter by ic counter(digital IC):
_up/down counter 0000-9999
_control up/down
_we can setup initial cardinal number

thank you
P/s: i'm vietnamese, so i write english not well
 

Hi
Do you want to design digital counter? Your counter counts from 0000 to 9999 you can use shifter to shift left/right for count up/down.
 

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