Presettable CD4510 BCD up/down counter

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Help needed on how to preset the CD4510 BCD up/down counter to any
digits. I am looking
for a 2 digits 7 segment count down timer circuit. Please help.

 

[neon]

PE PIN 1 HI and reset low it will load your counter with whatevr # you wan if carry is low it up/down with the clock. must load your input first the let carry count up/down. you can do this with switches or logic . next time explain your whole application. it would help