name: HT9032C function: Calling Line Identification Receiver package: DIP/SOP16,16 manufacturer: Holtek +--()--+ TIP | 1 16| VDD RING | 2 15| DOUTC RDET1 | 3 14| DOUT RDET2 | 4 13| CDETB NC | 5 12| RDETB RTIMEB | 6 11| NC PDWN | 7 10| X1 VSS | 8 9| X2 +------+ This pinout came from the Chipdir: http://www.chipdir.org/