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7402
Quad 2 Input NOR
VCC 4V 48 4* 3Y 3B 3*
lijiiinininininir
IB 2Y ZA 2B GND
o--m<nv- h t Alh)]cr>Mi iz t
OY=A+B
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m Ml I» ititi OUT » LS ALS ALSK F S AS AC ACT HC HCU HCT BC