HT818D0 데이터 시트보기 (PDF) - Holtek Semiconductor
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HT818D0 Datasheet PDF : 14 Pages
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Pad Assignment
K E Y 10
K E Y 11
K E Y 12
1 19
2
3
18 17 16
15 14
13
12
11
KEY4
KEY3
KEY2
KEY1
(0 ,0 )
4
5
6
7
8 9 10
Pad Coordinates
Pad No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
X
-914.50
-914.50
-914.50
-987.90
-254.60
-18.90
411.90
674.70
806.10
937.90
912.80
912.80
912.80
912.80
709.50
179.20
22.00
-156.40
-734.20
HT818D0
Unit: mm
Y
1997.95
1854.55
1663.95
-2023.45
-1996.95
-1996.95
-1996.95
-1996.95
-2027.55
-1996.95
1501.15
1639.75
1835.15
1978.75
1949.25
1949.25
1949.25
1949.25
1949.25
Chip size: 2270 ´ 4400 (mm)2
* The IC substrate should be connected to VSS in the PCB layout artwork.
Pad Description
Pad No.
1~3
4
5
6
7
Pad Name
KEY10~KEY12
VDD
AUD
OSC2
OSC1
I/O
Internal
Connection
Description
Trigger key, low active. Key features such as
I Pull-high debounce time, pull-high resistance and repeat
are all by mask option.
¾
¾
Positive power supply
O
PMOS
Open Drain
Voice output for driving an external transistor
O
¾
Oscillator output pin
I
¾
Oscillator input pin
3
March 15, 2000
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