name: MC14553B function: Three-Digit BCD Counter package: DIP?,16 manufacturer: Motorola added-by: Frank Eigenthaler +--()--+ DS2 | 1 16| VDD DS1 | 2 15| DS3 C1B | 3 14| O.F. C1A | 4 13| Master Reset Q3 | 5 12| Clock Q2 | 6 11| Disable Q1 | 7 10| Latch Enable VSS | 8 9| Q0 +------+ This information was added by a third party and may be incorrect. This pinout came from the Chipdir: http://www.chipdir.org/