32.768K7PI/MC306 32.768K-FC135 32.768KH 32.768KHE 32.768KHZ 32.768KHZ 10PPM/12.5PF 32.768KHZ 12.5PF 32.768KHZ 12.5PF 20PPM 32.768KHZ 12.5PF CJK05-327681220A20 32.768KHZ 12.5PF/20PPM