name: HEF4541 function: oscillator+counter=timer package: DIL14,14 manufacturer: Philips added-by: comment: a typical CMOS-4000 chip (HC, HEF, CD, ...) +--()--+ Rtc | 1 14| Vdd Ctc | 2 13| A1 RS | 3 12| A0 N.C. | 4 11| N.C. _AR | 5 10| Mode MR | 6 9| PH Vss | 7 8| Out +------+ This information was added by a third party and may be incorrect. This pinout came from the Chipdir: http://www.chipdir.org/