Datasheet

晶汉达 · JHD
MODEL: JHD1804
3. ABSOLUTE MAXIMUM RATINGS
3. ABSOLUTE MAXIMUM RATINGS
Item Symbol MIN. Max. Unit
Supply Voltage (Logic) VCC-GND 0 7.0 V
Supply Voltage
(LCD Driver)
V
LCD
VCC-12 VCC+0.3 V
(TA = 25 , GND=0V)
(LCD
Driver)
Input Voltage V
IN
-0.3 VCC+0.3 V
Operating temperature Top 0 50
℃
Storage temperature Tsto -10 60
℃
4. ELECTRICAL CHARACTERISTICS
(VCC =2.7to 4.5V , TA = 25 )
Characteristic Symbol Condition Min. Typ. Max. Unit
O
p
eratin
g
Volta
g
e VCC - 2.7 - 4.5 V
4.1 DC Characteristic
pgg
Supply Current IDD Internal oscillation or external
clock. (VCC=3.0 V, fosc = 250
kHz)
-0.20.4mA
Input Voltage (1)
(except OSC1)
VIH1 - 0.7VCC - VCC
V
VIL1 - -0.3 - 0.55
Input Voltage (2)
(OSC1)
VIH2 - 0.7VCC - VCC
(OSC1)
VIL2 - - - 0.2VCC
Output Voltage (1)
(SDA)
VOH1 IOH= -0.1 mA 0.75VCC - -
V
V
VOL1 IOL= 0.1 mA - - 0.2VCC
Output Voltage (2)
(except SDA)
VOH2 IO= -40 mA 0.8VCC - -
VOL2 IO= 40 m
A
- - 0.2VCC
Input Leakage
Current
IIKG VIN= 0 V to VCC -1 - 1
mA
Input Low Current IIL VIN= 0 V, VCC= 3 V (PULL UP) -10 -50 -120
Internal Clock
(external Rf)
fOSC1 Rf = 75 k
±
2% (VCC= 3 V) 190 270 350 kHz
External Clock
fOSC2
-
125 270 410 kHz
duty 45 50 55 %
tR ,tF - - 0.2 ms
COM ON
resistance
RCOM IO =
±
50uA, VLCD = 4.0V
COM1 - COM16
20
K
SEG ON resistance RSEG IO =
±
50uA, VLCD = 4.0V SEG1
SEG40
30
HTTP://WWW.JHDLCD.COM.CN
6Page:
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SEG40
LCD Driving
Voltage
VLCD VCC-V5 (1/5, 1/4 Bias) 3.0 - 9.0 V