FC-255 32.7680KF-A5 FC-255 32.768K FC-255 32.768KHZ FC-255 32.768KHZ/12.5PF/20PPM FC-255 60.003000 KHZ 10.0 +20.0-20.0 FC-255 69.0000KA-AG0 FC-255 69.0000KA-AG5 FC-255 75.0000K-AG0 FC-255 84.000000 KHZ 6.0 +50.0-50.0 FC-255(32.768000KHZ)