HT1622
Absolute Maximum Ratings
Supply Voltage...........................VSS-0.3V to VSS+5.5V
Input Voltage.............................VSS-0.3V to VDD+0.3V
Storage Temperature............................-50°C to 125°C
Operating Temperature...........................-40°C to 85°C
Note: These are stress ratings only. Stresses exceeding the range specified under ²Absolute Maximum Ratings² may
cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed
in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability.
D.C. Characteristics
Ta=25°C
Test Conditions
Conditions
Symbol
VDD
Parameter
Min.
Typ. Max. Unit
VDD
¾
Operating Voltage
Operating Current
2.7
¾
5.2
210
415
30
55
8
V
¾
¾
80
135
8
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 or LCD ON
On-chip RC oscillator
IDD1
¾
¾
No load or LCD OFF
On-chip RC oscillator
IDD2
ISTB
VIL
Operating Current
Standby Current
20
1
¾
¾
No load, Power down mode
DATA, WR, CS, RD
2
16
0.6
1.0
3
¾
0
¾
Input Low Voltage
Input High Voltage
BZ, BZ, IRQ
0
V
¾
2.4
4.0
0.9
1.7
-0.9
-1.7
200
250
V
¾
VIH
DATA, WR, CS, RD
VOL=0.3V
5
V
¾
1.8
3
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
kW
kW
¾
IOL1
IOH1
IOL1
IOH1
IOL2
IOH2
IOL3
IOH3
RPH
V
OL=0.5V
¾
VOH=2.7V
VOH=4.5V
VOL=0.3V
VOL=0.5V
VOH=2.7V
VOH=4.5V
-1.8
-3
450
500
¾
BZ, BZ
¾
¾
DATA
¾
-200 -450
-250 -500
¾
DATA
¾
V
OL=0.3V
VOL=0.5V
OH=2.7V
VOH=4.5V
OL=0.3V
15
100
-15
-45
15
40
¾
LCD Common Sink Current
LCD Common Source Current
LCD Segment Sink Current
LCD Segment Source Current
Pull-high Resistor
200
-30
-90
30
¾
V
¾
¾
V
¾
VOL=0.5V
VOH=2.7V
VOH=4.5V
70
150
-13
-40
200
100
¾
-6
¾
-20
100
50
¾
300
150
DATA, WR, CS, RD
Rev. 1.40
4
February 6, 2007
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
