NX3225SA 16MHZ AT-W NX3225SA 19.2M NX3225SA 19.2MHZ NX3225SA 20.000MHZ STD-CSR-1 NX3225SA 20M NX3225SA 20MHZ AT-W NX3225SA 24.0MHZ NX3225SA 24.576MHZ NX3225SA 24M 15PPM 8PF -40+125,STD-CRS-2 NX3225SA 24M 15PPM 8PF-10+75℃ STD-CSR-1