MC-306 32.768000 KHZ IC MC-306 32.768000K 30PPM-A3:ROHS MC306 32.768000KHZ MC-306 32.768000KHZ MC-306 32.768000KHZ- MC-306 32.768000KHZ 12.0 +10.0-10.0 MC-306 32.768000KHZ 12.0 +20.0-20.0 MC-306 32.768000KHZ 12.5 MC-306 32.768000KHZ 12.5 +10.0-10.0 MC-306 32.768000KHZ 12.5 +50.0-50.0