HT6240 查看數據表（PDF） - Holtek Semiconductor
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HT6240 Datasheet PDF : 16 Pages
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HT6240-002
1 w o rd
6 7 .5 m s
Fig. 12
1 w o rd
VSS
1
PRB 3
20 V D D
H T 6 2 4 0 -0 0 2
Fig. 13 Example of power-on reset function
V o lta g e
VDD
2 .2 V
V D D p in
P R B p in
0 .3 V D D
0
T im e
T C > 0 .1 m s
Fig. 14 Relationship between the PRB pin and the
voltage
Application Circuits
Example (1)
V DD
S e ttin g th e c u s to m c o d e
S e ttin g D 5 , D 6 , D 7 b its
S ta n d a rd k e y
47W
1kW
V DD
20 19 18 17
16
15
14 13
12
11
VD D C T O .0 O .1 O .2 O .3 O .4 O .5 O .6 O .7
H T 6 2 4 0 -0 0 2
V S S T E S T P R B O S C I O S C O D A T A IE 0 IE 1 IE 2 IE 3
1
23
4
5
6
7
8
9
10
455K
103
471 471
"1 "
"0 "
or
Rev. 1.30
8
November 6, 2002
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