Resolution (dots):
256*64 (16*4)
Outline Dimensions (mm):
180.0*65.0*9.7
View Area (mm):
134.0*40.4
Dot Size (mm):
0.47*0.47
IC:
ST7920
Backlight:
None,LED
I/F:
6800
Absolute Maximum Ratings
Item |
Symbol |
Min. |
Typ. |
Max |
Unit |
Supply Voltage For Logic |
VDD-VSS |
-0.3 |
- |
5.5 |
V |
Supply Voltage For LCD Drive |
VDD-VO |
0 |
- |
7 |
V |
Input Voltage |
VI |
-0.3 |
- |
VDD |
mA |
Electrical Characteristics
Item |
Symbol |
Condition |
Min. |
Typ. |
Max |
Unit |
|
Supply Voltage For Logic |
VDD-VSS |
- |
4.5 |
5.0 |
5.5 |
V |
|
Supply Voltage For LCD Drive |
VDD-VO |
VDD=5V, Ta=25℃ |
5.6 |
6.0 |
6.5 |
V |
|
Supply Current |
IDD |
VDD=5V |
- |
16.0 |
25.0 |
mA |
|
Input Voltage |
“High” Level |
VIH |
- |
2.2 |
- |
VDD |
V |
“Low” Level |
VIL |
- |
- |
- |
0.6 |
V |
|
Output Voltage |
“High” Level |
VOH |
- |
2.4 |
- |
- |
V |
“Low” Level |
VOL |
- |
- |
- |
0.4 |
V |
Pin No. |
Symbol |
LEVEL |
Function |
1 |
VSS |
0V |
Power Supply Ground |
2 |
VDD |
5V |
Power Supply Voltage |
3 |
VO |
- |
Contrast Adj |
4 |
RS |
H/L |
Register Selection |
5 |
R/W |
H/L |
Read/Write |
6 |
E1 |
H,HèL |
Enable Signal IC1 |
7 |
E2 |
H,HèL |
Enable Signal IC2 |
8 |
DB0 |
H/L |
Data Bus Line |
9 |
DB1 |
H/L |
Data Bus Line |
10 |
DB2 |
H/L |
Data Bus Line |
11 |
DB3 |
H/L |
Data Bus Line |
12 |
DB4 |
H/L |
Data Bus Line |
13 |
DB5 |
H/L |
Data Bus Line |
14 |
DB6 |
H/L |
Data Bus Line |
15 |
DB7 |
H/L |
Data Bus Line |
16 |
A |
4.2V |
LED Power(+) |
17 |
K |
0V |
LED Power(-) |
18 |
NC |
- |
No Connection |
19 |
NC |
- |
No Connection |
20 |
NC |
- |
No Connection |