[ C1 BOX2_1 100n ] [ IC1 DIP14 4093N ] [ R1 AX2_1N 4K7 ] [ R2 AX2_1N 4K7 ] [ R3 AX2_1N 4K7 ] [ R4 AX2_1N 4K7 ] [ R5 AX2_1N 4K7 ] [ R6 AX2_1N 4K7 ] ( XA IC1-1 IC1-2 R1-1 ) ( XB IC1-5 IC1-6 R2-1 ) ( YA IC1-8 IC1-9 R3-1 ) ( YB IC1-12 IC1-13 R4-1 ) ( VDD R1-2 R2-2 R3-2 R4-2 R5-2 R6-2 IC1-14 )