CM8S CM8V-32.768-TA-020-12.5 CM8V-32.768-TA-020-7 CM8V-32.768-TA-020-9 CM8V-32.768-TA-QC-020-12.5PF-MC01 CM8V-T1A 0.3 32.768KHZ 6PF 20PPM TA QC CM8V-T1A 32.768K CM8V-T1A 32.768K 4PF CM8V-T1A 32.768KHZ CM8V-T1A 32.768kHz 12.5pF +/-20ppm TA QC