H ELECTRICITY
H03 ELECTRONIC CIRCUITRY
H03K PULSE TECHNIQUE
19/00 Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
H03K19/0175 Coupling arrangements; Interface arrangements
H03K19/0185 using field effect transistors only
H03K19/018507 Interface arrangements
H03K19/018521 of complementary type, e.g. CMOS