The Panasonic AN6680 is used in the Technics SL1200 / SL1210 turntables. This IC is used as the PLL & timing IC.
These parts are now no longer made by Technics / Panasonic and are becoming extremely rare. Available until stocks exhausted.
We also stock the AN6675 / RFKFAN6675 main drive IC for the SL1200.