DS15MB200TSQ/NOPB DS15MB200TSQX DS15MB200TSQX IC DS15MB200TSQX/NOPB DS-15OF DS15S DS15-T1N 32.768kHz 12.5pF +/-100ppm DS15-T1N 32.768kHz 12.5pF +/-20ppm DS15-T1N 32.768kHz 8.2pF +/-100ppm DS15-T1N 32.768kHz 8.2pF +/-20ppm