Datasheet

晶汉达 · JHD
MODEL: JHD1804
4.2 DC Characteristic (VCC =4.5to 5.5V , TA = 25 )
Characteristic Symbol Condition Min. Typ. Max. Unit
Operating Voltage VCC -
4.5
-
5.5
V
Supply Current IDD Internal oscillation or
external clock. (VCC=5.0
V, fosc = 250 kHz)
-
0.55 0.8
mA
Input Voltage (1)
VIH1
25
VCC
V
Input
Voltage
(1)
(except OSC1)
VIH1
-
2
.
5
-
VCC
V
VIL1 -
-0.3
-
0.6
Input Voltage (2)
(OSC1)
VIH2 - VCC-1.0 - VCC V
VIL2 -
-0.2
-
1.0
Output Voltage (1)
(SDA)
VOH1 IOH= -0.205 mA
2.4
--V
VOL1 IOL= 1.2 mA - -
0.4
Output Voltage (2)
(except SDA)
VOH2 IO= -40 mA 0.9VCC - - V
VOL2 IO= 40 mA - - 0.1VC
C
Voltage Drop VdCOM IO=
±
0.1 mA - -
1
V
VdSEG - -
1
Input Leakage
IIKG
VIN= 0 V to VCC
1
1
Input
Leakage
Current
IIKG
VIN=
0
V
to
VCC
-
1
-
1
uA
Input Low
Current
IIL VIN= 0 V, VCC= 5 V
(PULL UP)
-50 -125 -250
Internal Clock
(external Rf)
fOSC1 Rf =91 kΩ
±
2% (VCC= 5
V)
190 270 350
kHz
External Clock
fOSC
-
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
KΩ
SEG ON RSEG IO =
±
50uA
,
VLCD =
30
resistance
,
4.0V SEG1 - SEG40
LCD Driving
Voltage
VLCD VCC-V5(1/5, 1/4 Bias)
3.0
-
11.0
V
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