name: HT9032B function: Calling Line Identification Receiver package: DIP8,8 manufacturer: Holtek +--()--+ TIP | 1 8| VDD RING | 2 7| DOUT PDWN | 3 6| X1 VSS | 4 5| X2 +------+ This pinout came from the Chipdir: http://www.chipdir.org/