.
HEF4526B - Programmable 4-bit binary down counter
4526B - PROGAMMABLE BINARY COUNTER
HD14526B - Programmable Divide-by-N 4-bit Counter
MC14526B - Presettable 4-Bit Down Counters
4522B - (4522B / 4526B) CMOS PROGAMMABLE DOWN COUNTERS
4526B - (4522B / 4526B) CMOS PROGAMMABLE DOWN COUNTERS