This is a replacement for the MOS8701 chip which is a clock chip found in the Commodore 64 / 128
The design is based off Jeff Birt’s design. The PCB has been make smaller to fit into the Commodore 128.
The chip used is a ICS525 and works in both the PAL and NTSC versions without requiring any jumpers.
PCB size is 22mm x 11mm.