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7403
Quad 2 Input O.C. NAND
Vcc 40 4A 4V 3B 3A 3V
ninininininiriif
1A IB IV 2A 2B 2Y GND
O740lmAit,*l«|oli h tloluiifi)
O7400a U 7 y 7'
Vcc
74LS03
74S03
JIB x-n IN ayj OUT H LS ALS AL
