U4

10 9
A1 S1
U1 8 6
A2 S2
10 9 3 2
A1 S1 A3 S3
8 6 1 15

3
5
4
6
2
1
7
A2 S2 A4 S4
13
12
11
10

15
14

3 2
9

A3 S3
1 15 11 U7

RBI
BI/RBO
D
C
B
A
LT
A4 S4 B1
U9 7
QA
QB
QC
QD
QE

QG
QF

B2 74LS48
74LS48 11 4
B1 B3
7 U3 16
B2 B4
4 10
B3 A0
16 12 13 14
B4 A1 C0 C4
BI/RBO

13

QG

QD
QC
QE

QB
QA
QF
1
2
3
4
A2
DSW1 13 14 15 74LS83
RBI

C0 C4 A3
LT
C
D
A
B

ON
ENTRADA A B0

9
14
15

10
11
12
13
74LS83 11
B1
7
1
2
6
4
5
3

OFF 14
B2
1
B3
2 7
A<B QA<B
8
7
6
5

11
3 6
A=B QA=B
4 5
A>B QA>B
U6:D
74LS85
74LS86

U5
10
A0 R8
U6:B
12
A1 R2 R3 330Ohm
13
A2 330Ohm R4 R5
330Ohm R7

12

13
74LS86 15
A3 330Ohm R6
330Ohm 330Ohm

10
9

9
B0 330Ohm
11
U6:C B1
14
B2
74LS86 1

3
B3
2 7
A<B QA<B
3 6
A=B QA=B
4
A>B QA>B
5 U6:A
U2:A 74LS85
74LS86

8
1
3
2

2
U2:B
74LS86
U8 R9
4
6 7 13
A QA R10
330Ohm
5 1 12
B QB
2 11
C QC R11
330Ohm
74LS86 6 10
D QD
U2:C 4 9
BI/RBO QE R12
330Ohm
9 5 15
RBI QF
8 R1 3
LT QG
14
330Ohm
10
330Ohm R13
74LS48
74LS86
R14
3
5
4
6
2
1
7

1
2
3
4

330Ohm

U10 DSW2
RBI
BI/RBO
D
C
B
A
LT

ON

330Ohm
U2:D
74LS48 DIPSW_4 R15
12
OFF

11
330Ohm
13
8
7
6
5

74LS86
QG

QD
QC
QE

QB
QA
QF
9
14
15

10
11
12
13

DSW3
4 OFF ON 1
3 2

Seleccion (suma o resta)