K3750HB11.289600 K3750HBE 125.000000MHz K3750HBE_2.4576MHZ K3750HC(12.288000MHZ) K3750HC12.288MHZ-OSC K3750HCE K3750HCE_14.31818MHZ K3750HCE_6MHZ K3750HCE-20.000MHz K3750HCE-40.0000MHz