Bab8b Mux Demux
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Transcript of Bab8b Mux Demux
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MULTIPLEXER
Pokok Bahasan :1. Pendahuluan2. Dasar-dasar rangkaian Multiplexer.3. Mendesain rangkaian Multiplexer
Tujuan Instruksional Khusus :1. Mahasiswa dapat menerangkan dan memahami rangkaian
Multiplexer.2. Mahasiswa dapat membuat dan mendesain rangkaian
Multiplexer.3. Mahasiswa dapat membedakan antara rangkaian
Multiplexer Dan rangkaian bukan Multiplexer.
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MULTIPLEXERMultiplexer : - Adalah perangkat pemilih beberapa jalur data
kedalam satu jalur data untuk dikirim ke titik lain.- Mempunyai dua atau lebih signal digit sebagai input
dan control sebagai pemilih (selector)- Merupakan Data Selector ( Pemilih data)- Jumlah Masukan (Input) > Jumlah Keluaran (1 Output)
Y Data Output
Datainputs
D0
D1
D2
D3
S 1 S 0
Data select control input determines
Which data input is connected to the
output
Data selectcontrol inputs
S1 S0
0 0 D0
0 1 D1
1 0 D2
1 1 D3
Data input selected
IlustrasiMultiplexer
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Diagram logika untuk 4 jalur Multiplexer dengan S1=0, S2=1 (Data D1 yang dipilih)
t 0 t 1 t 2 t 3 t 4
(Gate 2 is enabled, so data input D1 passes
to the output)
1 1
2
3
4
10
11
00
01
1 0
10
D0
D1
D2
D3
Data output
S 1 S 0
t0 t1 t2 t3 t4 t5
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TabelIC TTL dan IC CMOS Multiplexer
Function Device Logic familyQuad two-input 74157 TTL
74HC157 H-CMOS4019 CMOS
Dual eight-input 74153 TTL74HC153 H-CMOS4539 CMOS
Eight-input 74151 TTL74HC151 H-CMOS4512 CMOS
16-input 74150 TTL
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IC 74151 Multiplexer 8 jalur input
7 4 3 2 1 15 14 13 12
6 5
CC = Pin 16
= Pin 8GND
V
Y
E I 0 I 1 I 2 I 3 I 4 I 5 I 6 I 7
10
11
9
S0
S1
S2
Y
Logic Simbol
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IC 74151 Multiplexer 8-jalur input
(5) (6)
Y Y
(7)
(10)
(11)
(12)(4) (3) (2) (1) (15) (14) (13) (12)
I0 I1 I2 I3 I4 I5 I6 I7
S1
S2
S0
E
CC = Pin 16V
= Pin 8GND
( ) = Pin Number
Logic Diagram
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IC 74151 Multiplexer 8 jalur input
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
V
Y
GND
CC + 5 V
74151
E
0S
5I
3I
2I
1I
0I
Y
4I
7I
1S
0S
6I
1
1
0
1
1
1
0
0
Hubungan pin-pin
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DEMULTIPLEXER
Pokok Bahasan :1. Pendahuluan2. Dasar-dasar rangkaian Demultiplexer.3. Mendesain rangkaian Demultiplexer
Tujuan Instruksional Khusus :1. Mahasiswa dapat menerangkan dan memahami rangkaian
Demultiplexer.2. Mahasiswa dapat membuat dan mendesain rangkaian
Demultiplexer3. Mahasiswa dapat membedakan antara rangkaian
Demultiplexer dan rangkaian bukan Demultiplexer
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DEMULTIPLEXERDemultiplexer : - Merupakan kebalikan dari Multiplexer
- Mempunyai satu input data dan beberapa output ( yang dicontrol oleh selector untuk menentukan keluaran yang diinginkan)
- Merupakan Data Distributor (Pendistribusi data )- Jumlah masukan (1 Input) < Jumlah Keluaran (Output)
AData Input
DataOutputs
D0
D1
D2
D3
S1 S0
Data select (determines the destination on the data input)
IlustrasiDemultiplexer
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IC 74139 Demultiplexer 2-4 jalur( 2 selector dan 4 jalur output )
1 2 3
4
CC = Pin 16
= Pin 8GND
V
0a 1a 2a
5 6 7
3a
Ea A0a A1a
DECODER a
15 14 13
12
0b 1b 2b
11 10 9
3b
Eb A0b A1b
DECODER b
Logic Simbol
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IC 74139 Demultiplexer 2-4 jalur
(4) (5) (6) (7)
(1) (2) (3)
E a E 0a E 1a
0 a 1 a 2 a 3 a
(12) (11) (10) (9)
(15) (14) (13)
E b E 0b E 1b
0 b 1 b 2 b 3 b
CC = Pin 16V
= Pin 8GND
( ) = Pin Number
Logic Diagram
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IC 74139 Demultiplexer 2-4 jalur
1 74139 0a1a
2a3a
0a1a
2a3a
A0a A1a
Ea
1
2
Output destination
select
0
Input data
signal EaOutput signal
Output pada( 22 )
Koneksi input dan output
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IC 74154 Demultiplexer 16 jalur
74154
0123E0
456789101112131415
E1
10
10
Input data
signal
Output signal
Output destination
select
A0
A1A2
A3
Demultiplexer 74154 me-rute kan sinyal input ke output nomor 5
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CODE CONVERTER
Pokok Bahasan :1. Pendahuluan2. Dasar-dasar rangkaian Code Converter3. Mendesain rangkaian Code Converter
Tujuan Instruksional Khusus :1. Mahasiswa dapat menerangkan dan memahami rangkaian
Code Converter2. Mahasiswa dapat membuat dan mendesain rangkaian
Code Converter3. Mahasiswa dapat membedakan antara rangkaian
Code Converter dan rangkaian bukan Code Converter
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CODE CONVERTERConverter : Pengkonversi dari suatu code bilangan ke code bilangan
yang lain Jenis-jenis Converter : BCD to Excess Three, BCD to seven segment,
atau code-code lainnya.
1. BCD to Excess Three Converter
LogicCircuitBCD to Excess Three
A (8*)
B (4)
C (2)
W
X
Y
D (1) Z
BCD input Excess Three output
Blok Diagram BCD to Excess Three Converter
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Tabel Converter BCD to Excess three
BCD Excess-threeA B C D W X Y Z(8) (4) (2) (1)
0123456789
0000000011
0000111100
0011001100
0101010101
0000011111
0111100001
1001100110
1010101010
Decimal Number (Map Value)
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00 01 11 1000 d 1
01 1 d 1
11 1 d 1
10 1 d 1
0 4 12 8
9
10
11
1351
3
2
7 15
146
ABCD
00 01 11 1000 1 d
01 1 1
11 1 d
10 1 d
0 4 12 8
9
10
11
1351
3
2
7 15
146
ABCD
A(a) W map
A
D
D
B
CA
B
C
B.D B.C
(b) X map
W=A+BD+BC
BCBD
BCD
X=BD+BC+BCD
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(d) Z map
(c) Y map
B
CDdd10dd1111
d011d1100
101101000 4 12 8
9
10
11
1351
3
2
7 15
146
ABCD
A
C
D
CDY=CD+CD
Z= Ddd1110
d11d01
1d110010110100
0 4 12 8
9
10
11
1351
3
2
7 15
146
CD
A
B
C
D
AB
D
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Rangkaian BCD to Excess Three Converter
(C+D) B B(C+D)
A
( )DCB +•B
)( DC+ DC
D
BC
CD
CD
X
W
Y
Z
DCBD
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2. 2*421 to BCD Converter
LogicCircuit
A (2*)
B (4)
C (2)
W (8)
X (4)
Y (2)
D (1) Z (1)
2*421 input BCD output
Blok Diagram 2*421 to BCD converter
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Tabel Converter 2*421 to 8421 CODE
Map Value Decimal Number
A(2*)
B(4)
C(2)
D(1)
W(8)
X(4)
Y(2)
Z(1)
0 0 0 0 0 0 0 0 0 0
1 1 0 0 0 1 0 0 0 1
2 2 0 0 1 0 0 0 1 0
3 3 0 0 1 1 0 0 1 1
4 4 0 1 0 0 0 1 0 0
11 5 1 0 1 1 0 1 0 1
12 6 1 1 0 0 0 1 1 0
13 7 1 1 0 1 0 1 1 1
14 8 1 1 1 0 1 0 0 0
15 9 1 1 1 1 1 0 0 1
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x10
114
x62
11
115
x73
x913
x51
x81240
ABCD 00 01 11 10
00
01
11
10
W=BC
x1014
x6
’2
11115
x73
x9
113
x51
x8
112
140
ABCD 00 01 11 10
00
01
11
10
X=AB+BC
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x1014
x62
1115
x73
x913
x51
x81240
ABCD 00 01 11 10
00
01
11
10
1
1
1
1
Y=AC+AC
x1014
x62
111
115
x7
13
x9
113
x5
11
81240
ABCD 00 01 11 10
00
01
11
10
xZ=D
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Rangkaian 2*421 to BCD Converter
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3. Seven Segment Display Code
7 segments of display
Segments a, b, d, e, g
ON for decimal 2
Segments a, b, c, d, g
ON for decimal 3
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Tabel Code Seven-Segments Display
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K Map dan Rangkaian untuk Output segment a :
0 4 12 8
1 5 13 9
3 7 15 11
2 6 14 10
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K Map dan Rangkaian Logic untuk Output segment b :
0 4 12 8
1 5 13 9
3 7 15 11
2 6 14 10
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Soal Latihan
1. Buat sebuah rangkaian Multiplexer 4-line to 1-line dari gerbang NAND saja
2. Disain sebuah rangkaian multiplexer 8x1 yang dibentuk dari dua buahmultiplexer 4x1 (Dual 4-line to 1-line Multiplexer 74153). Gunakan Enable input untuk mengaktifkan kedua mux tersebut.
3. Buat rangkaian yang mengkonversikan Binary Code 4 bit ke Gray Code