PATENTED
Absolute Maximum Ratings
Supply Voltage ...........................V
SS
-0.3V
to V
SS
+5.5V
Input Voltage..............................V
SS
-0.3V
to V
DD
+0.3V
HT1621/HT1621G
Storage Temperature ............................-50
o
C to 125
o
C
Operating Temperature...........................-40
o
C to 85
o
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
Symbol
V
DD
I
DD1
Parameter
Operating Voltage
Operating Current
5V
3V
I
DD2
Operating Current
5V
3V
I
DD3
Operating Current
5V
3V
I
STB
Standby Current
5V
3V
V
IL
Input Low Voltage
5V
3V
V
IH
Input High Voltage
5V
3V
I
OL1
DATA, BZ, BZ, IRQ
5V
3V
I
OH1
DATA, BZ, BZ
5V
3V
I
OL2
LCD Common Sink Current
5V
3V
I
OH2
LCD Common Source Current
5V
3V
I
OL3
LCD Segment Sink Current
5V
3V
I
OH3
LCD Segment Source Current
5V
3V
R
PH
Pull-high Resistor
5V
DATA, WR, CS, RD
30
60
100
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
4.0
0.5
1.3
-0.4
-0.9
80
150
-80
-120
60
120
-40
-70
60
DATA, WR, CS, RD
0
2.4
No load, Power down mode
Test Conditions
V
DD
¾
3V
Conditions
¾
No load/LCD ON
On-chip RC oscillator
No load/LCD ON
Crystal oscillator
No load/LCD ON
External clock source
Min.
2.4
¾
¾
¾
¾
¾
¾
¾
¾
0
Typ.
¾
150
300
60
120
100
200
0.1
0.3
¾
¾
¾
¾
1.2
2.6
-0.8
-1.8
150
250
-120
-200
120
200
-70
-100
120
Max.
5.2
300
600
120
240
200
400
5
10
0.6
1.0
3.0
5.0
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
200
Ta=25°C
Unit
V
mA
mA
mA
mA
mA
mA
mA
mA
V
V
V
V
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
kW
kW
Rev. 3.10
5
November 5, 2012
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
