SSP-T7 32.768KHZ SSP-T732.768 SSP-T732.768K SSP-T732.768KHZ SSP-T7-32.768KHZ SSP-T7C12T32.768 SSP-T7-F SSP-T7-F 32.768KHZ SSP-T7-F 32.768KHZ 12.5PF SSP-T7-F 32.768kHz 20PPM12.5p