參數(shù)資料
型號(hào)： LC7942YC
廠商： Sanyo Electric Co.,Ltd.
英文描述： Dot Matrix LCD Driver(點(diǎn)陣LCD驅(qū)動(dòng)器)
中文描述： 點(diǎn)陣LCD驅(qū)動(dòng)器（點(diǎn)陣液晶驅(qū)動(dòng)器）
文件頁數(shù)： 5/8頁
文件大?。?/td> 205K
代理商： LC7942YC
LC7942YC
No. 6159—5/8
Allowable Operating Ranges
at Ta = –20 to +85 °C, V
SS
= 0 V
Notes
1. V
2. At turn ON, the LCD supply should be energized after or simultaneously with the logic supply. At turn OFF, the logic supply
should be cut after or simultaneously with the LCD supply.
DD
≥
V
1
> V
2
> V
5
> V
EE
Electrical Characteristics
at Ta = 25 ± 2 C, V
SS
= 0 V, V
DD
= 2.7 to 5.5 V
Note
V
DE
= V
1
or V
2
or V
5
or V
EE
, V
l
= V
DD
, V
2
= 10/11
×
(V
DD
–
V
EE
), V
5
= l/11
×
(V
DD
–
V
EE
)
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
–
–
max
Logic supply voltage
V
DD
2.7
5.5
V
LCD supply voltage
V
DD
– V
EE
See notes 1 and 2.
8
20
V
DIO1, DIO64, CP, M, RS/LS and
DISPOFF HIGH–level input voltage
V
IH
0.8V
DD
–
–
V
DIO1, DIO64, CP, M, RS/LS and
DISPOFF LOW–level input voltage
V
IL
–
–
0.2V
DD
V
CP shift clock frequency
f
CP
–
–
–
–
–
–
–
1
–
–
–
MHz
CP pulsewidth
t
WC
125
ns
DIO1 and DIO64 to CP setup time
t
SETUP
l00
ns
DIOI and DIOS4 to CP hold time
t
HOLD
l00
–
–
ns
CP rise time
t
R
50
ns
CP fall time
t
F
50
ns
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
DIO1, DIO64, CP, M, RS/LS and
DISPOFF HIGH–level input current
I
IH
V
IN
= V
DD
–
–
1
μA
DIO1, DIO64, CP, M, RS/LS and
DISPOFF LOW–level input current
I
IL
V
IN
= V
SS
–
1
–
–
μA
DIO1 and DIO64 HIGH–level output
voltage
V
OH
I
OH
= –400 μA
V
DD
– 0.4
–
–
V
DIO1 and DIO64 LOW–level output
voltage
V
OL
I
OL
= 400 μA
–
–
0.4
V
O1 to O64 driver ON resistance
R
ON
V
DD
– V
EE
= 18 V,
V
DD
– V
OL
= 0.25 V,
V
DD
= 4.5 V
–
–
1.5
k
V
DD
static supply current
I
DD
V
DD
– V
EE
= 18 V,
CP = V
DD
–
–
100
μA
CP input capacitance
C
I
f
CP
= 1 MHz
–
5
–
pF
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