HT1622
D.C. Characteristics
Symbol
V
DD
I
DD1
I
DD2
I
STB
V
IL
V
IH
I
OL1
I
OH1
I
OL1
I
OH1
I
OL2
I
OH2
I
OL3
I
OH3
R
PH
Parameter
Operating Voltage
Operating Current
Operating Current
Standby Current
Input Low Voltage
Input High Voltage
BZ, BZ, IRQ
BZ, BZ
DATA
DATA
LCD Common Sink Current
LCD Common Source Current
LCD Segment Sink Current
LCD Segment Source Current
Pull-high Resistor
Test Conditions
V
DD
¾
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
Conditions
¾
No load/LCD ON
On-chip RC oscillator
No load/LCD OFF
On-chip RC oscillator
No load
Power down mode
DATA, WR, CS, RD
DATA, WR, CS, RD
V
OL
=0.3V
V
OL
=0.5V
V
OH
=2.7V
V
OH
=4.5V
V
OL
=0.3V
V
OL
=0.5V
V
OH
=2.7V
V
OH
=4.5V
V
OL
=0.3V
V
OL
=0.5V
V
OH
=2.7V
V
OH
=4.5V
V
OL
=0.3V
V
OL
=0.5V
V
OH
=2.7V
V
OH
=4.5V
DATA, WR, CS, RD
Ta=25°C
Min. Typ. Max. Unit
2.7
¾
¾
¾
¾
¾
¾
0
0
2.4
4.0
0.9
1.7
-0.9
-1.7
200
250
¾
80
135
8
20
1
2
¾
¾
¾
¾
1.8
3
-1.8
-3
450
500
5.2
210
415
30
55
8
16
0.6
1.0
3
5
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
300
150
V
mA
mA
mA
mA
mA
mA
V
V
V
V
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
kW
kW
-200 -450
-250 -500
15
100
-15
-45
15
70
-6
-20
100
50
40
200
-30
-90
30
150
-13
-40
200
100
6
April 21, 2000
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
