參數(shù)資料
型號(hào): LS7031
廠商: LSI Corporation
英文描述: Connector Contact,SKT,CRIMP Terminal
中文描述: 6與8個(gè)十年閉鎖及多計(jì)數(shù)器十年馬鞍山
文件頁(yè)數(shù): 4/4頁(yè)
文件大?。?/td> 47K
代理商: LS7031
1
C
2
4 8
BCD
COUNTER
R
1
C
2
4
8
BCD
COUNTER
R
1
C
2 4
BCD
COUNTER
8
R
1 2
C
4
8
BCD
COUNTER
R
1
C
2
4
8
BCD
COUNTER
R
1 2
C
4 8
BCD
COUNTER
R
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
DATA
OUTPUT
BUFFER
D6 OUTPUT
D7 OUTPUT
D8 OUTPUT
OVFLW
F/F
OVERFLOW
INPUT
1 BIT
LATCH
BCD
DATA
OUTPUT
BLANK OUT
Vss
V
GG
V
DD
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. LS7031
BLOCK DIAGRAM
OSC. INPUT
SCAN INPUT
2
1
3
4
5
6
7
8
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
22
40
39
LSD
MSD
DECIMAL POINT
INPUT
10
27
26
23
11
12
13
14
15
16
21
9
8
7
6
5
4
3
2
1
B1 B2 B4 B8
B1 B2 B4 B8
DIGIT ONE
DIGIT TWO
31 30 29 28
37 36 34 33
B1
B2
B4
B8
20
19
18
17
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