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LC75890W Datasheet, PDF (4/29 Pages) Sanyo Semicon Device – 1/4duty and Static Drive General-Purpose LCD Display Drivers | |||
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1. When CL is stopped at the low level
LC75890W
CE
CL
tf
DI
tï¦L
tr
tds
tï¦H
VIH1
50%
VIL1
VIH1
VIL1
tdh
VIH1
tcp tcs
[Figure 1]
VIL1
tch
2. When CL is stopped at the high level
CE
tï¦L
tï¦H
CL
tf
tr
DI
tds
tdh
VIH1
VIH1
50%
VIL1
VIH1
VIL1
tcp tcs
[Figure 2]
VIL1
tch
3. OSCI pin clock timing in external clock operating mode
OSCI
tCKH
tCKL
VIH2
50%
VIL2
[Figure 3]
1
fCK= tCKH + tCKL [kHz]
DCK=
tCKH
tCKH + tCKL
ï´ 100[%]
No.A1971-4/29
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