3225 30M 20PF 10PPM 3225 30M 3.3V 20PPM 3225 30M OSC 3225 30MHz 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