name: HT7660 function: CMOS Switched-Capacitor Voltage Converter package: DIP/SOP8,8 manufacturer: Holtek +--()--+ BOOST | 1 8| VDD CAP+ | 2 7| OSC VSS | 3 6| LV CAP- | 4 5| VOUT +------+ This pinout came from the Chipdir: http://www.chipdir.org/