HT12E(2003) 데이터 시트보기 (PDF) - Holtek Semiconductor
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HT12E Datasheet PDF : 14 Pages
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Oscillator Frequency vs. Supply Voltage
fO S C
(S c a le )
7 .0 0
6 .0 0
5 .0 0
4 .0 0
(3 k H z )3 .0 0
2 .0 0
1 .0 0
HT12A/HT12E
R O S C (W )
470k
510k
560k
620k
680k
750k
820k
910k
1 .0 M
1 .2 M
1 .5 M
2 .0 M
2
3
4
5
6
7
8
9
10
11
12
1 3 V D D (V D C )
The recommended oscillator frequency is fOSCD (decoder) @ 50 fOSCE (HT12E encoder)
@
1
3
fOSCE
(HT12A
encoder)
Application Circuits
V DD
100W
1 A0
2 A1
3 A2
V D D 18
D O U T 17 10kW
X 1 16 455K
8050
100p.
4 A3
5 A4
6 A5
7 A6
8 A7
9 VSS
X 2 15
L /M B 1 4
D 11 13
D 10 12
D 9 11
D 8 10
10M W
100p.
H T12A
T r a n s m itte r C ir c u it
1 A0
2 A1
3 A2
4 A3
5 A4
6 A5
7 A6
8 A7
9 VSS
V DD
V D D 18
D O U T 17
O S C 1 16
O S C 2 15 R OSC
TE 14
A D 11 13
A D 10 12
A D 9 11
A D 8 10
H T12E
Rev. 1.10
9
January 24, 2003
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