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HT82K28A 데이터 시트보기 (PDF) - Holtek Semiconductor
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HT82K28A
Win98 Keyboard Encoder
Holtek Semiconductor
HT82K28A Datasheet PDF : 16 Pages
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Application Circuits
VDD
. .B .
GND
D ATA
C LO C K
HT82K28A
0 .1
m
. 1 0
m
.
V
DD
120k
W
3
VDD
4
VSS
1
O SC1
2
VSS
38
D A TA
37
C LO C K
5
IO 0
32
C A P
31
N U M
30
S C R L
LE D C A P
LE D N U M
25
N C
34
N C
36
N C
6
IO 1
C7
C6
C5
C4
C3
C2
C1
C0
12
11
10
9
8
7
40
39
R 17
R 16
R 15
R 14
R 13
R 12
R 11
R 10
R9
R8
R7
R6
R5
R4
R3
R2
R1
R0
35
33
27
26
24
15
14
13
29
28
23
22
21
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19
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17
16
LE D S C R L
H T82K 28A
Rev. 1.30
13
June 27, 2002
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