參數(shù)資料
型號(hào): ML9042
廠商: OKI SEMICONDUCTOR CO., LTD.
英文描述: DOT MATRIX LCD CONTROLLER DRIVER
中文描述: 點(diǎn)陣LCD控制器驅(qū)動(dòng)
文件頁(yè)數(shù): 6/58頁(yè)
文件大?。?/td> 558K
代理商: ML9042
FEDL9042-01
OKI Semiconductor
ML9042-xx
6/58
ABSOLUTE MAXIMUM RATINGS
(GND = 0 V)
Parameter
Symbol
V
DD
V
0,
V
1
, V
2
,
V
3
, V
4
,
Condition
Ta = 25
°
C
Rating
–0.3 to +6.5
Unit
V
Applicable pins
V
DD
V
OUT
, V
0
, V
1
, V
2
, V
3A
, V
3B,
V
4
,
GND
RW/SI, E/SHTB, SP,
RS
0
/CSB, RS
1
, BE,
ROM1S, T
1
to T
3
, DB
0
(SO)
to DB
7
, V
IN
Supply Voltage
LCD Driving Voltage
Ta = 25
°
C
–0.3 to +6.5
V
Input Voltage
V
I
Ta = 25
°
C
–0.3 to V
DD
+0.3
V
Storage Temperature
T
STG
–55 to +150
°
C
RECOMMENDED OPERATING CONDITIONS
(GND = 0 V)
Parameter
Symbol
V
DD
V
0
(See Note)
Condition
Range
2.7 to 5.5
Unit
V
Applicable pins
V
DD
Supply Voltage
LCD Driving Voltage
2.7 to 5.5
V
V
OUT,
V
0
Voltage Multipler
Input Voltage
Operating Temperature
V
MUL
BE = “1”
1.8 to 2.75
V
V
IN
T
op
–40 to +85
°
C
Note: This voltage should be applied across V
0
and GND. The following voltages are output to the V
1
,
V
2
, V
3A
(V
3B
) and V
4
pins:
1/4 bias (V
2
and V
3B
are short-circuited)
V
1
=3 V
0
/4
±
0.15 V
V
2
= V
3B
= V
0
/2
±
0.15 V
V
4
= V
0
/4
±
0.15 V
1/5 bias (V
3A
and V
3B
V
1
= 4 V
0
/5
±
0.15 V
V
2
= 3 V
0
/5
±
0.15 V
V
3A
= V
3B
= 2 V
0
/5
±
0.15 V
V
4
= V
0
/5
±
0.15 V
The voltages at the V
0
, V
1
, V
2
, V
3A
(V
3B
), V
4
and GND pins should satisfy
V
0
> V
1
> V
2
> V
3A
(V
3B
) > V
4
> GND
(Higher
Lower)
* If the chip is attached on a substrate using COG technology, the chip tends to be susceptible
to electrical characteristics of the chip due to trace resistance on the glass substrate. It is
recommended to use the chip by confirming that it operates on the glass substrate properly.
Trace resistance, especially, V
DD
and V
SS
trace resistance, between the chip on the LCD
panel and the flexible cable should be designed as low as possible. Trace resistance that
cannot be very well decreased, larger size of the LCD panel, or greater trace capacitance
between the microcontroller and the ML9042 device can cause device malfunction. In order
to avoid the device malfunction, power noise should be reduced by serial interfacing of the
microcontroller and the ML9042 device.
* 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.
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