name: HT9032D function: Calling Line Identification Receiver package: SOP8,8 manufacturer: Holtek +--()--+ SOUT | 1 8| X1 VDD | 2 7| X2 TIP | 3 6| VSS RING | 4 5| PDWN +------+ This pinout came from the Chipdir: http://www.chipdir.org/