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ST7920 Datasheet(PDF) 38 Page - Sitronix Technology Co., Ltd.

Part No. ST7920
Description  Chinese Fonts built in LCD controller/driver
Download  49 Pages
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Manufacturer  SITRONIX [Sitronix Technology Co., Ltd.]
Direct Link  http://www.sitronix.com.tw
Logo SITRONIX - Sitronix Technology Co., Ltd.

ST7920 Datasheet(HTML) 38 Page - Sitronix Technology Co., Ltd.

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ST7920
V4.0
38/49
2008/08/18
Absolute Maximum Ratings
Characteristics
Symbol
Value
Power Supply Voltage
VDD
-0.3V
to
+6.0V
LCD Driver Voltage
VLCD or V0
-0.3V
to
+7.0V
Voltage Doubler Output
VOUT
-0.3V
to
+7.0V
Input Voltage
VIN
-0.3V
to
VDD+0.3V
Operating Temperature
TA
-30℃
to
+ 85℃
Storage Temperature
TSTO
-65℃
to
+ 150℃
DC Characteristics (TA = -30℃ ~ 85℃, VDD = 2.7 V - 4.5 V)
Symbol
Characteristics
Test Condition
Min.
Typ.
Max.
Unit
VDD
Operating Voltage
-
2.7
-
5.5
V
VLCD
LCD Voltage
V0-VSS
3.0
-
7
V
ICC
Power Supply Current
fOSC = 530KHz, VDD=3.0V
Rf=18KΩ
-
0.20
0.45
mA
VIH1
Input High Voltage
(Except OSC1)
-
0.7VDD
-
VDD
V
VIL1
Input Low Voltage
(Except OSC1)
-
- 0.3
-
0.6
V
VIH2
Input High Voltage
(OSC1)
-
VDD – 1
-
VDD
V
VIL2
Input Low Voltage
(OSC1)
-
-
-
1.0
V
VOH1
Output High Voltage
(DB0 - DB7)
IOH = -0.1mA
0.8VDD
-
VDD
V
VOL1
Output Low Voltage
(DB0 - DB7)
IOL = 0.1mA
-
-
0.1
V
VOH2
Output High Voltage
(Except DB0 - DB7)
IOH = -0.04mA
0.8VDD
-
VDD
V
VOL2
Output Low Voltage
(Except DB0 - DB7)
IOL = 0.04mA
-
-
0.1VDD
V
ILEAK
Input Leakage
Current
VIN = 0V to VDD
-1
-
1
µA
IPUP
Pull Up MOS Current
VDD = 3V
22
27
32
µA


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