lc75857e Sanyo Semiconductor Corporation, lc75857e Datasheet - Page 4

• Manufacturer Part Number: lc75857e
• Description: 1/3, 1/4 Duty Lcd Display Drivers With Key Input Function
• Manufacturer: Sanyo Semiconductor Corporation

1. Serial data I/O timing when CL is stopped at the low level
2. Serial data I/O timing when CL is stopped at the high level
3. OSC pin clock timing in external clock mode
CE
CL
DI
DO
CE
CL
DI
DO
VIH1
50%
VIL1
VIH1
VIL1
OSC
tf
tds
tr
VIH3
50%
VIL3
t ø L
tds
t ø H
tdh
V
V
LCD
LCD
t
CK
t ø H
1
2
tr
tdh
H
t ø L
tf
t
VIH1
VIL1
CK
VIH1
50%
VIL1
LC75857E, LC75857W
L
V
LCD
Figure 1
Figure 2
Figure 3
Figure 4
VIH1
D0
tcp
Excluding these registors.
VIH1
tcp
tcs
f
D
D0
CK
To the common segment driver
CK
tcs
=
=
t
t
CK
CK
D1
tdc
H + t
H + t
tdc
t
CK
1
H
CK
CK
L
L
[kHz]
100[%]
D1
tch
tdr
tch
No. 7980-4/39
VIL1
VIL1
tdr