MC-306 32.768000KHZ 12.5 +10.0-10.0 MC-306 32.768000KHZ 12.5 +50.0-50.0 MC306 32.768000KHZ 12.5PF MC-306 32.768000KHZ 13.0 +20.0-20.0 MC-306 32.768000KHZ 6.0 +10.0-10.0 MC-306 32.768000KHZ 6.7 +20.0-20.0 MC-306 32.768000KHZ 7.0 MC-306 32.768000KHZ 7.0 +20.0-20.0 MC-306 32.768000KHZ 9.0 +20.0-20.0 MC-306 32.768000KHZ 直插晶振