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SS1621
p. 5
Last update: 2008-06-03 04:36
Absolute Maximum Ratings
Supply Voltage…………...…..…-0.3V ~ 5.5V
Input Voltage……… V
SS - 0.3V ~ VDD + 0.3V
Storage Temperature……………-50°C ~ 125°C
Operating Temperature…………..-25°C ~ 75°C
Note: These are stress ratings only. Stresses exceeding the range specified under “Absolute Maxi-
mum Ratings” may cause substantial damage to the device. Functional operation of this de-
vice at other conditions beyond those listed in the specification is not implied and prolonged
exposure to extreme conditions may affect device reliability.
D.C. Characteristics
Test Conditions
Symbol
Parameter
VDD
Conditions
Min.
Typ.
Max.
Unit
V
DD
Operating Voltage
—
—
2.4
—
5.2
V
3V
—
150
300
µA
I
DD1
Operating Current
5V
No load/LCD ON
On-chip RC oscillator
—
300
600
µA
3V
—
60
120
µA
I
DD2
Operating Current
5V
No load/LCD ON
Crystal oscillator
—
120
240
µA
3V
—
100
200
µA
I
DD3
Operating Current
5V
No load/LCD ON
External clock source
—
200
400
µA
3V
—
0.1
5
µA
I
STB
Standby Current
5V
No load
Power down mode
—
0.3
10
µA
3V
0
—
0.6
V
V
IL
Input Low Voltage
5V
DATA, WR, CS, RD
0
—
1.0
V
3V
2.4
—
3.0
V
V
IH
Input High Voltage
5V
DATA, WR, CS, RD
4.0
—
5.0
V
3V
V
OL=0.3V
0.5
1.2
—
mA
I
OL1
DATA, BZ, BZ,
IRQ
5V
V
OL=0.5V
1.3
2.6
—
mA
3V
V
OH=2.7V
-0.4
-0.8
—
mA
I
OH1
DATA, BZ, BZ
5V
V
OH=4.5 V
-0.9
-1.8
—
mA
3V
V
OL=0.3V
80
150
—
µA
I
OL2
LCD Common Sink Current
5V
V
OL=0.5V
150
250
—
µA
3V
V
OH=2.7V
-80
-120
—
µA
I
OH2
LCD Common Source Cur-
rent
5V
V
OH=4.5 V
-120
-200
—
µA
3V
V
OL=0.3V
60
120
—
µA
I
OL3
LCD Segment Sink Current
5V
V
OL=0.5V
120
200
—
µA
3V
V
OH=2.7V
-40
-70
—
µA
I
OH3
LCD Segment Source Cur-
rent
5V
V
OH=4.5 V
-70
-100
—
µA
3V
40
80
150
kΩ
R
PH
Pull-high Resistor
5V
DATA, WR, CS, RD
30
60
100
kΩ
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