HT12E Просмотр технического описания (PDF) - Holtek Semiconductor
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HT12E Datasheet PDF : 15 Pages
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Block Diagram
TE Trigger
HT12E
TE
A0
A7
HT12A/HT12E
O SC2 O SC1
O s c illa to r
1 2 T r a n s m is s io n
G a te C ir c u it
¸ 3 D iv id e r
¸ 1 2 C o u n te r &
1 of12 D ecoder
D a ta S e le c t
& B u ffe r
S ync.
C ir c u it
B in a r y D e te c to r
DOUT
DATA Trigger
HT12A
L /M B
A0
A7
AD8
A D 11
VDD VSS
X2
X1
O s c illa to r
1 2 T r a n s m is s io n
G a te C ir c u it
¸ 5 7 6 D iv id e r
¸ 1 2 C o u n te r &
1 of12 D ecoder
D a ta S e le c t
& B u ffe r
S ync.
C ir c u it
B in a r y D e te c to r
DOUT
D8
D 11
VDD VSS
Note: The address data pins are available in various combinations (refer to the address/data table).
Pin Assignment
8 -A d d re s s
4 -D a ta
A0 1
A1 2
A2 3
A3 4
A4 5
A5 6
A6 7
A7 8
VSS 9
18 V D D
17 D O U T
16 X 1
15 X 2
1 4 L /M
13 D 11
12 D 10
11 D 9
10 D 8
H T12A
1 8 D IP -A
8 -A d d re s s
4 -D a ta
NC 1
A0 2
A1 3
A2 4
A3 5
A4 6
A5 7
A6 8
A7 9
V S S 10
20 N C
19 V D D
18 D O U T
17 X 1
16 X 2
1 5 L /M
14 D 11
13 D 10
12 D 9
11 D 8
H T12A
2 0 S O P -A
8 -A d d re s s
4 -A d d r e s s /D a ta
8 -A d d re s s
4 -A d d r e s s /D a ta
A0 1
A1 2
A2 3
A3 4
A4 5
A5 6
A6 7
A7 8
VSS 9
NC 1
18 V D D
A0 2
17 D O U T
A1 3
16 O S C 1
A2 4
15 O S C 2
A3 5
14 TE
A4 6
13 A D 11
A5 7
12 A D 10
A6 8
11 A D 9
A7 9
10 A D 8
V S S 10
20 N C
19 V D D
18 D O U T
17 O S C 1
16 O S C 2
15 TE
14 A D 11
13 A D 10
12 A D 9
11 A D 8
H T12E
1 8 D IP -A
H T12E
2 0 S O P -A
Rev. 1.20
2
February 20, 2009
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