HT16270
D.C. Characteristics
Ta=25°C
Test Conditions
Conditions
¾
Symbol
VDD
Parameter
Min. Typ. Max. Unit
VDD
¾
Operating Voltage
Operating Current
2.7
¾
¾
¾
¾
¾
¾
0
5.2
75
125
25
45
14
28
0.6
1.0
3
V
¾
30
50
5
3V
5V
3V
5V
3V
5V
3V
5V
3V
5V
3V
5V
3V
5V
3V
5V
3V
5V
3V
5V
3V
5V
3V
5V
3V
5V
3V
5V
mA
mA
mA
mA
mA
mA
V
No load/LCD ON
Crystal oscillator
IDD1
No load/LCD OFF
Crystal oscillator
IDD2
ISTB
VIL
Operating Current
Standby Current
Input Low Voltage
Input High Voltage
BZ, BZ, IRQ
10
2
No load
Power down mode
4
¾
¾
¾
¾
1.8
3
DATA, WR, CS, RD
DATA, WR, CS, RD
0
V
2.4
4.0
0.9
1.7
V
VIH
5
V
VOL=0.3V
VOL=0.5V
VOH=2.7V
VOH=4.5V
VOL=0.3V
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
kW
kW
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
IOL1
IOH1
IOL2
IOH2
IOL3
IOH3
IOL4
IOH4
RPH
-0.9 -1.8
BZ, BZ
-1.7
0.9
-3
1.8
3
DATA
VOL=0.5V
1.7
VOH=2.7V
VOH=4.5V
VOL=0.3V
-0.9 -1.8
DATA
-1.7
-3
80
160
LCD Common Sink Current
LCD Common Source Current
LCD Segment Sink Current
LCD Segment Source Current
Pull-high Resistor
VOL=0.5V
180 360
-40 -80
-90 -180
VOH=2.7V
VOH=4.5V
VOL=0.3V
50
100
VOL=0.5V
120 240
-30 -60
-70 -140
V
OH=2.7V
OH=4.5V
V
100 200 300
50 100 150
DATA, WR, CS, RD
6
April 21, 2000
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
