HT12D データシートの表示（PDF） - Holtek Semiconductor
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HT12D Datasheet PDF : 11 Pages
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HT12D/HT12F
Encoder/Decoder cross reference table
Decoders
Part No.
Data Pins Address Pins
VT
HT12D
4
HT12F
0
8
Ö
12
Ö
Pair Encoder
HT12A
HT12E
HT12A
HT12E
Package
Encoder
Decoder
DIP SOP DIP SOP
18
20
18
20
18
20
18
20
Address/Data sequence
The following table provides address/data sequence for various models of the 212 series of decoders.
Address/Data Bits
Part No.
0
1
2
3
4
5
6
7
8
9
10
11
HT12D
A0 A1 A2 A3 A4 A5 A6 A7 D8 D9 D10 D11
HT12F
A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11
Oscillator frequency vs supply voltage
fo s c
(S c a le )
4 .0 0
R o s c (9 )
3 .5 0
3 .0 0
2 .5 0
2 .0 0
1 .5 0
(1 0 0 k H z )1 .0 0
0 .5 0
0 .2 5
27k9
30k9
33k9
36k9
39k9
43k9
47k9
51k9
56k9
62k9
68k9
75k9
82k9
100k9
120k9
150k9
180k9
220k9
2
3
4
5
6
7
8
9
10
11
12
1 3 V D D (V D C )
Note:
The recommended oscillator frequency is fOSCD (decoder) @ 50 fOSCE (HT12E encoder)
@
1
3
fOSCE
(HT12A
encoder).
Rev. 1.10
5
November 18, 2002
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