name: UA3730 function: Electronic code-lock - IC can handle passcodes of up to 12 digits, allowing the use of yp to 1 million unique codes package: DIP?,18 manufacturer: unknown added-by: comment: none +--()--+ OSCO1 | 1 18| OSCO TEST | 2 17| OUT1 VSS | 3 16| OUT2 RES | 4 15| OUT3 R1 | 5 14| BD R2 | 6 13| MEMSW R3 | 7 12| ON/OFF R4 | 8 11| C1 VDD | 9 10| C2 +------+ This information was added by a third party and may be incorrect. This pinout came from the Chipdir: http://www.chipdir.org/