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LS7030 데이터시트(PDF) 4 Page - LSI Computer Systems

부품명 LS7030
상세설명  8 DECADE MULTIPLEXED COUNTER
PDF  4 Pages
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제조업체  LSI [LSI Computer Systems]
홈페이지  http://www.lsicsi.com
Logo LSI - LSI Computer Systems

LS7030 데이터시트(HTML) 4 Page - LSI Computer Systems

  LS7030 Datasheet HTML 1Page - LSI Computer Systems LS7030 Datasheet HTML 2Page - LSI Computer Systems LS7030 Datasheet HTML 3Page - LSI Computer Systems LS7030 Datasheet HTML 4Page - LSI Computer Systems  
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 4 / 4 page
background image
1 2
4
8
BCD
COUNTER
R
C
1 2 4
8
BCD
COUNTER
R
C
1
2 4
8
BCD
COUNTER
R
C
1 2 4
8
BCD
COUNTER
R
C
1
2
4
8
BCD
COUNTER
R
C
1
2
4
8
BCD
COUNTER
R
C
1
2 4
8
BCD
COUNTER
R
C
1 2
4
8
BCD
COUNTER
R
C
4 BIT
LATCH
ST
4 BIT
LATCH
ST
4 BIT
LATCH
ST
4 BIT
LATCH
ST
4 BIT
LATCH
ST
4 BIT
LATCH
ST
4 BIT
LATCH
ST
4 BIT
LATCH
ST
1 2 4 8
B1
B2
B4
B8
B1
B2
B4
B8
B1
B2
B4
B8
B1
B2
B4
B8
B1
B2
B4
MUX
GATE
G
B8
SEGMENT
DECODER
DATA
OUTPUT
BUFFER
SEVEN
D6 OUTPUT
D7 OUTPUT
D8 OUTPUT
OVFLW
F/F
OVERFLOW INPUT
1 BIT
LATCH
BCD
DATA
OUTPUT
BLANK OUT
LAMP TEST INPUT
Vss
VGG
VDD
OVERFLOW OUTPUT
ST
BLANKING
F/F
S
R
Q
C
R
NZ
8 DIGIT STROBE OUTPUTS
OUTPUT
BUFFERS
8 STATE STATIC SCAN
COUNTER & DECODED
LSD
MSD
R
C
OSCILLATOR
OR
BUFFER
SCAN RESET INPUT
(RESET TO MSD)
FIGURE 4. LS7030 BLOCK DIAGRAM
OSC. INPUT
SCAN INPUT
2
1
3
4
5
6
7
8
TEST COUNT INPUT
RESET
INPUT
LOAD
LATCH
INPUT
1 2 4 8
MUX
GATE
G
1 2 4 8
MUX
GATE
G
1 2 4 8
MUX
GATE
G
1 2 4 8
MUX
GATE
G
1 2 4 8
MUX
GATE
G
1 2 4 8
MUX
GATE
G
1 2 4 8
MUX
GATE
G
COUNT
INPUT
SEVEN
SEGMENT
DATA
OUT
22
40
39
LSD
MSD
DECIMAL POINT
INPUT
10
27
26
23
11
17
18
19
20
37
36
34
33
31
30
29
38
12
13
14
15
16
28
32
21
9
8
7
6
5
4
3
2
1
B1
B2
B4
B8
a
b
c
d
e
f
g



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