2.1 Interface Netlist

$\fbox{U1: 74HCT14}$

Pin To

1	CN4(1), CN2(1), R1, C1
2	13, U2(1)
3	CN4(2), CN2(2), R2, C2
4	11, U2(2).
5	CN4(3), CN2(3), R3, C3
6	9, U2(5)
7	GND.
8	R9, U(3)13
9	6, U2(5)
10	R8, U3(10), U13(14), U14(14), U15(14), U16(14)
11	4, U2(2)
12	R7, U3(5)
13	2, U2(1)
14	+5V, C4

$\fbox{U2: 74HCT08}$

Pin To

1	U1(2,13)
2	U1(4,11)
3	4
4	3
5	U1(6,9)
6	9
7	GND
8	U5(2)
9	6
10	12, U5(6)
11	U5(1)
12	10, U5(6)
13	U8(11)
14	+5V, C5

$\fbox{U3: 74HCT08}$

Pin To

1	R24, C30, D5(anode)
2	U12(4 or 12)
3	U21(9)
4	9, U7(5), U6(8), R13, C35
5	R7, U1(12)
6	U8(9)
7	GND
8	U8(10)
9	4, U7(5), U6(8), R13, C35
10	R8, U1(10), U13(14), U14(14), U15(14), U16(14)
11	U8(13)
12	U7(6)
13	R9, U1(8)
14	+5V, C6

$\fbox{U4: 74HCT08}$

Pin To

1	U9(6)
2	13, U7(12), U9(1, 13), U10(10)
3	4
5	8
6	U5(5)
7	GND
8	5
9	U7(8)
10	CN(1)
11	U5(13)
12	CN1(16)
13	2, U9(1, 13), U10(10)
14	+5V, C7

$\fbox{U5: 74HCT32}$

Pin To

1	U2(11)
2	U2(8)
3	R10, D2(cathode), U7(3)
4	11, U7(11), C34
5	U4(6)
6	U2(10,12)
7	GND
8	U6(5), U7(1)
9	CN(15)
10	12, U11(4), R14, CN2(7)
11	4, U7(11), C34
12	10, U11(4), R14, CN2(7)
13	U4(11)
14	+5V, C8

$\fbox{U6: 74HCT08}$

Pin To

1	4, D2(anode), C25, R10, D3(anode)
2	U7(2)
3	R12
4	1, D2(anode), C25, R10, D3(anode)
5	U7(1),U5(8)
6	R11
7	GND
8	R13, U3(4, 9), U7(5), C35
9	U7(10)
10	U9(9)
11	NC
12	GND
13	GND
14	+5V C9

$\fbox{U7: 74HCT04}$

Pin To

1	U6(5), U5(8)
2	U6(2)
3	U5(3), R10, D2(cathode)
4	C30
5	U6(8), R13, U3(4, 9), C35
6	U3(12)
7	GND
8	U4(9)
9	U20(6), U9(3)
10	U6(9)
11	U5(4, 11), C34
12	U9(1,13), U4(2,13), U10(10)
13	CN1(18)
14	+5V, C10

$\fbox{U8: 74HCT32}$

Pin To

1	U12(4)
2	4, R20, Pin (X1)
3	U13(5)
4	2, R20, Pin (X1)
5	U12(12)
6	U13(4)
7	GND
8	12
9	U3(6)
10	U3(8)
11	U2(13)
12	8
13	U3(11)
14	+5V, C11

$\fbox{U9: 74HCT74}$

Pin To

1	13, U7(12), U4(2, 13), U10(10)
2	+5V
3	U20(6), U7(9)
4	+5V
5	NC
6	U4(1)
7	GND
8	NC
9	U6(10)
10	+5V
11	U10(12)
12	U20(5)
13	1, U7(12), U4(2, 13), U10(10)
14	+5V, C12

$\fbox{U10: 74HC221}$

Pin To

1	GND
2	D6 (cathode), D7 (cathode)
3	+5V
4	D3 (cathode)
5	NC
6	C23 (+)
7	C23 (-), R16
8	GND
9	GND
10	U9(13,1), U7(12), U4(2, 13)
11	+5V
12	U9(11)
13	NC
14	C28 (+)
15	C28 (-), R19
16	+5V, C13

$\fbox{U11: 4N25}$

Pin To

1	C24 (+), R15
2	C24 (-), CN3(4)
3	NC
4	U5(10.12), R14, CN2(7)
5	+5V
6	NC

$\fbox{U12: 74HC221}$

Pin To

1	GND
2	9, R21, Pin(X6)
3	+5V
4	U8(1)
5	NC
6	C26 (+)
7	C26 (-), R17
8	GND
9	2, R21, Pin(X6)
10	+5V
11	+5V
12	U8 (5)
13	NC
14	NC
15	C27 (-), R17
16	+5V

$\fbox{U13: 74HCT193}$

Pin To

1	GND
2	U17(11)
3	U17(9)
4	U8(6)
5	U8(3)
6	U17(14)
7	U17(1)
8	GND
9	GND
10	GND
11	+5V
12	U14(5)
13	U14(4)
14	R8, U3(10), U1(10), U14(14), U15(14), U16(14)
15	GND
16	+5V, C15

$\fbox{U14: 74HCT193}$

Pin To

1	GND
2	U18(11)
3	U18(9)
4	U13(13)
5	U13(12)
6	U18(14)
7	U18(1)
8	GND
9	GND
10	GND
11	+5V
12	U15(5)
13	U15(4)
14	R8, U3(10), U1(10), U13(14), U15(14), U16(14)
15	GND
16	+5V, C16

$\fbox{U15: 74HCT193}$

Pin To

1	GND
2	U19(11)
3	U19(9)
4	U14(13)
5	U14(12)
6	U19(14)
7	U19(1)
8	GND
9	GND
10	GND
11	+5V
12	U16(5)
13	U16(4)
14	R8, U3(10), U1(10), U13(14), U14(14), U16(14)
15	GND
16	+5V, C17

$\fbox{U16: 74HCT193}$

Pin To

1	GND
2	U20(11)
3	U20(9)
4	U15(13)
5	U15(12)
6	U20(14)
7	U20(1)
8	GND
9	GND
10	GND
11	+5V
12	NC
13	NC
14	R8, U3(10), U1(10), U13(14), U14(14), U15(14)
15	GND
16	+5V, C18

$\fbox{U17: 74HCT85}$

Pin To

1	U13(7)
2	GND
3	+5V
4	GND
5	U18(4)
6	U18(3)
7	U18(2)
8	GND
9	U13(3)
10	CN1(1)
11	U13(2)
12	CN1(2)
13	CN1(3)
14	U13(6)
15	CN1(4)
16	+5V, C19

$\fbox{U18: 74HCT85}$

Pin To

1	U14(7)
2	U17(7)
3	U17(6)
4	U17(5)
5	U19(4)
6	U19(3)
7	U19(2)
8	GND
9	U14(3)
10	CN1(5)
11	U14(2)
12	CN1(6)
13	CN1(7)
14	U14(6)
15	CN1(8)
16	+5V, C20

$\fbox{U19: 74HCT85}$

Pin To

1	U15(7)
2	U18(7)
3	U18(6)
4	U18(5)
5	U20(4)
6	U20(3)
7	U20(2)
8	GND
9	U15(3)
10	CN1(9)
11	U15(2)
12	CN1(10)
13	CN1(11)
14	U15(6)
15	CN1(12)
16	+5V, C21

$\fbox{U20: 74HCT85}$

Pin To

1	U16(7)
2	U19(7)
3	U19(6)
4	U19(5)
5	U9(12)
6	U9(3), U7(9)
7	NC
8	GND
9	U16(3)
10	CN1(13)
11	U16(2)
12	GND
13	GND
14	U16(6)
15	GND
16	+5V, C22

$\fbox{U21: 74HCT123}$

Pin To

1	R23, CN5(8)
2	+5V, R23
3	12
4	NC
5	CN2(4)
6	C32 (-)
7	C32 (+), R28
8	GND
9	U3(3)
10	+5V
11	+5V
12	3
13	CN2(5)
14	C31 (-)
15	C31 (+), R26
16	+5V, C36