¡ Semiconductor
ML9211
Symbol
SYNC OUT 1
SYNC OUT 2
Pin
QFP-1* QFP-2*
38
37
36
35
Type
O
Synchronous signal output.
Description
Connect these pins to the slave side SYNC IN 1 and 2 pins.
RC oscillator connecting pins.
Oscillation frequency depends on display tubes
to be used. For details, refer to ELECTRICAL
CHARACTERISTICS.
V
DD
OSC0
R
C
OSC0
34
32
I/O
*
QFP-1: QFP80-P-1420-0.80-BK
QFP-2: QFP80-P-1414-0.65-K
ABSOLUTE MAXIMUM RATING
Parameter
Driver Supply Voltage
Logic Supply Voltage
Input Voltage
Power Dissipation
Storage Temperature
Symbol
V
DISP
V
DD
V
IN
P
D
T
STG
I
O1
Output Current
I
O2
I
O3
I
O4
Ta≥25°C
Condition
—
—
—
QFP80-P-1420-0.80-BK
QFP80-P-1414-0.65-K
—
SEG1 to 37
SEG38 to 56
GRID1 to 3
DIM OUT, SYNC OUT1, SYNC OUT2
Ratings
–0.3 to +20
–0.3 to +6.5
–0.3 to V
DD
+0.3
760
630
–55 to +150
–10.0 to +2.0
–20.0 to +2.0
–10.0 to +20.0
–2.0 to +2.0
Unit
V
V
V
mW
°C
mA
mA
mA
mA
RECOMMENDED OPERATING CONDITIONS
Parameter
Driver Supply Voltage
Logic Supply Voltage
High Level Input Voltage
Low Level Input Voltage
Clock Frequency
Oscillation Frequency
Frame Frequency
Operating Temperature
Symbol
V
DISP
V
DD
V
IH
V
IL
f
C
f
OSC
f
FR
T
OP
Condition
—
—
All inputs except OSC0
All inputs except OSC0
—
R=10KW±5%, C=27pF±5%
R=10KW±5%,
C=27pF±5%
—
1/3 Duty
1/2 Duty
Min.
8.0
4.5
0.8V
DD
—
—
2.6
211
317
–40
Typ.
13.0
5.0
—
—
—
3.3
269
403
—
Max.
18.0
5.5
—
0.2V
DD
2.0
4.0
325
488
+85
Unit
V
V
V
V
MHz
MHz
Hz
Hz
°C
7/19
OKI [ OKI ELECTRONIC COMPONETS ]
