martes, 28 de agosto de 2012
Ejercicio N° 6
Buscar y pegar la hoja de datos completa del circuito integrado 4511 (Decodificador BCD a 7 segmentos).
Ejercicio N° 5
Construir un circuito digital lo más simplificado posible capaz de demostrar mediante un display de 7 segmentos los números decimales del 0 al 9 ingresados en binario.
Nota: Los N° binarios del 10 al 15 nunca estarán presentes en la entrada del circuito.
A
B
C
D
E
F
G
Circuito:
Nota: Los N° binarios del 10 al 15 nunca estarán presentes en la entrada del circuito.
A | B | C | D | a | c | d | e | f | g | |
0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 0 |
0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 | 1 | 0 | 1 |
0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 1 |
0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 1 |
0 | 1 | 0 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | 1 |
0 | 1 | 1 | 0 | 1 | 0 | 1 | 1 | 1 | 1 | 1 |
0 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
1 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 |
1 | 0 | 1 | 0 | X | X | X | X | X | X | X |
1 | 0 | 1 | 1 | X | X | X | X | X | X | X |
1 | 1 | 0 | 0 | X | X | X | X | X | X | X |
1 | 1 | 0 | 1 | X | X | X | X | X | X | X |
1 | 1 | 1 | 0 | X | X | X | X | X | X | X |
1 | 1 | 1 | 1 | X | X | X | X | X | X | X |
A
CD / AB | 00 | 01 | 11 | 10 |
00 | 1 | 0 | x | 1 |
01 | 0 | 1 | x | 1 |
11 | 1 | 1 | x | x |
10 | 1 | 1 | x | x |
B
CD / AB | 00 | 01 | 11 | 10 |
00 | 1 | 1 | x | 1 |
01 | 1 | 0 | x | 1 |
11 | 1 | 1 | x | x |
10 | 1 | 0 | x | x |
C
CD / AB | 00 | 01 | 11 | 10 |
00 | 1 | 1 | x | 1 |
01 | 1 | 1 | x | 1 |
11 | 1 | 1 | x | x |
10 | 0 | 1 | x | x |
D
CD / AB | 00 | 01 | 11 | 10 |
00 | 1 | 0 | x | 0 |
01 | 0 | 1 | x | 0 |
11 | 1 | 0 | x | x |
10 | 1 | 1 | x | x |
E
CD / AB | 00 | 01 | 11 | 10 |
00 | 1 | 0 | x | 1 |
01 | 0 | 0 | x | 0 |
11 | 0 | 0 | x | x |
10 | 1 | 1 | x | x |
F
CD / AB | 00 | 01 | 11 | 10 |
00 | 1 | 1 | x | 1 |
01 | 0 | 1 | x | 1 |
11 | 0 | 0 | x | x |
10 | 0 | 1 | x | x |
G
CD / AB | 00 | 01 | 11 | 10 |
00 | 0 | 1 | x | 1 |
01 | 0 | 1 | x | 1 |
11 | 1 | 0 | x | x |
10 | 1 | 1 | x | x |
F(a) = A + C + (BD) + (B'D')
F(b) = B' + (C'D') + (CD)
F(c) = C' + D + B
F(d) = A + (CD') + (B'D') + (A'B'D) + (C'DB)
F(e) = (B'D') + (CD')
F(f) = A + (BC') + (BD') + (C'D')
F(g)= A + (CD') + (C'B) + (A'B'C)
Circuito: