ES-12      3-Digit Up Counter     (DC 5 ~ 10V)  
 

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A  very useful 3-digit counter built around  MC14553 & CD4543 CMOS ICs. It counts from 0 ~ 999 .   Two or more units can be cascaded  to form a  6, 9 ... (or any multiple of 3) digit counter.  When the count exceeds 999, the display rolls over to 0 & the overflow output goes high briefly. (please refer to datasheets for details on overflow)


Inputs : master reset, clock, latch enable  

Output : Overflow

            Click here for datasheets HEF/CD 4543  /  MC!4553

Free red filter for LED displays (~ 3x6 cm)