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HT680 Datasheet(PDF) 7 Page - Holtek Semiconductor Inc

Part # HT680
Description  318 Series of Encoders
Download  15 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT680 Datasheet(HTML) 7 Page - Holtek Semiconductor Inc

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Note:
D12~D15 are transmission enables of the HT6207.
TE is the transmission enable of the HT600/HT680.
Oscillator Frequency vs. Supply Voltage
The recommended oscillator frequency is fOSCD (decoder)
@ fOSCE (encoder)
HT600/HT680/HT6207
Rev. 1.10
7
January 24, 2003
T r a n s m i s s i o n
e n a b l e d ?
N o
Y e s
3 d a t a w o r d s
t r a n s m i t t e d
Y e s
T r a n s m i s s i o n
s t i l l e n a b l e d ?
3 d a t a w o r d s
t r a n s m i t t e d
c o n t i n u o u s l y
N o
P o w e r o n
S t a n d b y m o d e
f o s c
( S c a l e )
3 . 0 0
2 . 7 5
2 . 5 0
2 . 0 0
1 . 7 5
1 . 5 0
1 . 2 5
( 1 0 0 k H z ) 1 . 0 0
0 . 7 5
0 . 5 0
0 . 2 5
R o s c ( W )
1 2 0 k
1 5 0 k
1 8 0 k
2 2 0 k
2 7 0 k
3 3 0 k
3 9 0 k
4 7 0 k
5 6 0 k
6 8 0 k
8 2 0 k
1 M
1 . 5 M
2 M
2 . 2 5
V D D ( V D C )
2
3
4
5
6
7
8
9
1 0
1 1
1 2 1 2 . 5


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