¡ Semiconductor
ML9044
ABSOLUTE MAXIMUM RATINGS
Parameter
Supply Voltage
LCD Driving Voltage
Symbol
V
DD
V
1
, V
2
, V
3
,
V
4
, V
5
Condition
Ta = 25°C
Ta = 25°C
Rating
–0.3 to +6.5
V
DD
– 7.5 to V
DD
+0.3
Unit
V
V
(GND = 0V)
Applicable pins
V
DD
– GND
V
1
, V
4
, V
5
, V
5IN
,
V
2
, V
3A
, V
3B
R/W, E,
SHT,
CSR,
P/S,
SSR, SI, RS
0,
Input Voltage
V
I
Ta = 25°C
–0.3 to V
DD
+0.3
V
RS
1
, BEB,
CS,
T
1
to T
3
, DB
0
to DB
7
,
V
IN
Storage Temperature
T
STG
—
–55 to +125
°C
—
RECOMMENDED OPERATING CONDITIONS
Parameter
Supply Voltage
LCD Driving Voltage
Input Voltage
Operating Temperature
Symbol
V
DD
V
DD
–V
5
(See Note)
V
IN
T
op
Condition
—
—
BEB = 1
—
Range
2.5 to 5.5
2.8 to 7.0
V
DD
–1.40 to
V
DD
–3.5
–40 to +85
(GND = 0V)
Unit Applicable pins
V
V
V
°C
V
DD
–GND
V
DD
–V
5
(V
5IN
)
V
DD
–V
IN
—
Note:
This voltage should be applied across V
DD
and V
5
. The following voltages are output
to the V
1
, V
2
, V
3A
(V
3B
) and V
4
pins:
• 1/4 bias
V
1
= {V
DD
–(V
DD
–V
5
)/4}
±0.15V
V
2
= V
3B
= {V
DD
–(V
DD
–V
5
)/2}
±0.15V
V
4
= {V
DD
–3
¥
(V
DD
–V
5
)/4 }
±0.15V
• 1/5 bias
V
1
= {V
DD
–(V
DD
–V
5
)/5}
±0.15V
V
2
= {V
DD
–2
¥
(V
DD
–V
5
)/5}
±0.15V
V
3A
= V
3B
= {V
DD
–3
¥
(V
DD
–V
5
)/5}
±0.15V
V
4
= {V
DD
–4
¥
(V
DD
–V
5
)/5}
±0.15V
The voltages at the V
1
, V
2
, V
3A
(V
3B
), V
4
and V
5
pins should satisfy
V
DD
>V
1
>V
2
>V
3A
(V
3B
)>V
4
>V
5
.
(Higher
¨
Æ
Lower)
* Do not apply short–circuiting across output pins and across an output pin and an
input/output pin or the power supply pin in the output mode.
7/54
OKI [ OKI ELECTRONIC COMPONETS ]
