參數(shù)資料
型號: ST7920-0B
廠商: Electronic Theatre Controls, Inc.
英文描述: ST7920
中文描述: ST7920
文件頁數(shù): 32/47頁
文件大小: 1685K
代理商: ST7920-0B
ST7920
C2.0c
32/47
2001/10/18
Absolute Maximum Ratings
Characteristics
Symbol
Value
Power Supply Voltage
V
DD
-0.3V to +5.5V
LCD Driver Voltage
V
LCD
-0.3V to +7.0V
Input Voltage
V
IN
-0.3V to V
DD
+0.3V
Operating Temperature
T
A
-20
o
C to + 85
o
C
Storage Temperature
T
STO
-55
o
C to + 125
o
C
DC Characteristics ( T
A
= 25
o
C , V
DD
= 2.7 V – 4.5 V )
Symbol
Characteristics
Test Condition
Min.
Typ.
Max.
Unit
V
DD
Operating Voltage
-
2.7
-
5.5
V
V
LCD
LCD Voltage
V0-V
SS
3.0
-
7
V
I
CC
Power Supply Current f
OSC
= 530KHz, V
DD
=3.0V
Rf=18K
Ω
-
0.20
0.45
mA
V
IH1
Input High Voltage
(Except OSC1)
-
0.7V
DD
-
V
DD
V
V
IL1
Input Low Voltage
(Except OSC1)
-
- 0.3
-
0.6
V
V
IH2
Input High Voltage
(OSC1)
-
V
DD
– 1
-
V
DD
V
V
IL2
Input Low Voltage
(OSC1)
-
-
-
1.0
V
V
OH1
Output High Voltage
(DB0 - DB7)
I
OH
= -0.1mA
0.8V
DD
-
V
DD
V
V
OL1
Output Low Voltage
(DB0 - DB7)
I
OL
= 0.1mA
-
-
0.1
V
V
OH2
Output High Voltage
(Except DB0 - DB7)
I
OH
= -0.04mA
0.8V
DD
-
V
DD
V
V
OL2
Output Low Voltage
(Except DB0 - DB7)
I
OL
= 0.04mA
-
-
0.1V
DD
V
I
LEAK
Input Leakage Current
V
IN
= 0V to V
DD
-1
-
1
μ
A
I
PUP
Pull Up MOS Current
V
DD
= 3V
22
27
32
μ
A
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