3225 32.768K 1.8V 20PPM 3225 32.768K 3.3V 20PPM 3225 32.768K OSC 3225 32.768KHz 3225 32.768KHZ OSC 3225 32M 3225 32M 10PF 10PPM 3225 32M 12PF 3225 32M 12PF 10PPM 3225 32M 20PF 20PPM