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HT81006 Datasheet(PDF) 2 Page - Holtek Semiconductor Inc

Part # HT81006
Description  EasyVoice Speech
Download  19 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT81006 Datasheet(HTML) 2 Page - Holtek Semiconductor Inc

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background image
Block Diagram
Pin Assignment
Pad Assignment
HT81006/HT81009
HT81XXX
Rev. 1.40
2
March 1, 2005
I / O 2
I / O 1
K E Y 4
V D D
O S C I
K E Y 1
K E Y 2
K E Y 3
V P P
V S S
O U T 3
V S S
O U T 2
V D D
O U T 1
1 6
1 5
1 4
1 3
1 2
1 1
1 0
9
1
2
3
4
5
6
7
8
H T 8 1 R 0 9 / H T 8 1 R 1 8 / H T 8 1 R 3 6
1 6 D I P - A
O E
I / O 2
I / O 1
K E Y 4
V D D
O S C I
K E Y 1
K E Y 2
K E Y 3
N C
V S S
O U T 3
V S S
O U T 2
V D D
O U T 1
H T 8 1 0 0 6 / H T 8 1 0 0 9
H T 8 1 0 1 2 / H T 8 1 0 1 8
1 6 D I P - A
N C
1 6
1 5
1 4
1 3
1 2
1 1
1 0
9
1
2
3
4
5
6
7
8
D e b o u n c e
C i r c u i t
O n e - s h o t
O s c i l l a t o r
C i r c u i t
T i m e B a s e
G e n e r a t o r
R O M A d d r e s s
C o u n t e r
A u d i o
C o n t r o l l e r
D a t a R O M
I / O 1
I / O 2
S t a t u s
D i s p l a y
C o n t r o l l e r
V D D
V S S
O S C I
S e l e c t o r
O U T 2
O U T 3
O U T 1
K E Y 1 ~ 4
1
2
V D D
O S C I
K E Y 3
V S S
O U T 1
V D D
O U T 2
I / O 2
I / O 1
K E Y 4
3
4
5
6
7
8
9
1 0
1 1
1 2
1 3
1 4
( 0 , 0 )
Chip size: 41.9
´ 70.3 (mil)
2
* The IC substrate should be connected to VSS in the PCB layout artwork.


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