4 / 15 page
SC802B
VER2.1
AKIHABARA INC.
Page 4 of 4
4. Electrical characteristics
a) DC characteristics
a.1) DC CHARACTERISTICS (TA =25 °C, VDD = 2.7 to 4.5V)
Limit
Characteristics
Symbol
Min.
Typ.
Max.
Unit
Test Condition
Input High Voltage
VIm
0.7VDD
-
VDD
V
Input Low Voltage
VlL
-0.3
0.55
V
Input High Current
IIh
-1.0
1.0
uA
Input Low Current
IlL
-5.0
-15
-30
uA
VDD = 3.0V
Output High Voltage
Voh
0.75VDD -
-
V
IOH
= - 0.1mA Pins: DB7-0
Output Low Voltage
VOL
-
-
0.2VDD v
|OL= 0.1mA Pins: DB7-0
LCD Voltage
Vlcd
3
4.5v
13
V
Operating Current
Idd
1.0
mA
Note: VDD = 3V
a.2) DC CHARACTERISTICS (TA = 25°C, VDD = 4.5 to 5.5V)
Limit
Characteristics
Symbol
Min.
Typ.
Max.
Unit
Test Condition
Input High Voltage
VIm
2.2
VDD
V
Input Low Voltage
VlL
-0.3
0.6
V
Input High Current
IIh
-2.0
2.0
uA
Input Low Current
IlL
-20
-50
-100
uA
VDD = 5.0V
Output High Voltage
Voh
2.4
-
VDD
V
IOH = - 0.1mA Pins: DB7-0
Output Low Voltage
VOL
-
-
0.4
V
IOL= 0.1mA Pins: DB7-0
LCD Voltage
Vlcd
3
4.5
13
V
Operating Current
Idd
1.0
mA
Note: VDD = 5V
b) AC characteristics
b.1) AC CHARACTERISTICS (TA = 25°C, VDD = 2.7 to 4.5V)
Write Mode (Writing data from MPU to LCD module)
Limit
Characteristics
Symbol
Min.
Typ.
Max.
Unit
Test Condition
E Cycle Time
tc
1000
ns
PinE
E Pulse Width
tpw
450
-
-
ns
PinE
E Rise/Fall Time
tR,tF
-
-
25
ns
PinE
Address Setup Time
tsp-i
60
ns
Pins: RS, R/W, E
Address Hold Time
tHD1
20
ns
Pins: RS, R/W, E
Data Setup Time
tsP2
195
ns
Pins: DB7-0
Data Hold Time
tHD2
10
-
-
ns
Pins: DB7-0
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