HEF4518B counter equivalent, dual bcd counter.
* Wide supply voltage range from 3.0 V to 15.0 V
* CMOS low power dissipation
* High noise immunity
* Tolerant of slow clock rise and fall times
* Ful.
* Multistage synchronous counting
* Multistage asynchronous counting
* Frequency dividers
4. Ordering infor.
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