
Pad No.
Pad Name
I/O
Mask
Option
Description
46~38,
36
34
COM0~8
COM9
COM10
O
LCD common signal output
102~47
SEG4~59
O
LCD segment signal output
Absolute Maximum Ratings
Supply Voltage ..........................V
SS
0.3V to V
SS
+6.0V
Storage Temperature ........................... 55 C to 150 C
Input Voltage ............................ V
SS
0.5V to V
DD
+0.5V
Operating Temperature .......................... 10 C to 70 C
Current Drain Per Pin Excluding VDD and VSS...................................................................................................10mA
Note: These are stress ratings only. Stresses exceeding the range specified under Absolute Maximum Ratings 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 reliabil-
ity.
D.C. Characteristics
Ta=25 C
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
V
DD
Conditions
V
DD
Operating Voltage
3V application
2.4
3.0
5.5
V
I
DD1
Operating Current (In Normal Mode)
3V
32768Hz on, 3.58MHz on,
CPU on, LCD on, WDT on,
no load
1
1.5
mA
I
DD2
Operating Current (In Green Mode)
3V
32768Hz on, 3.58MHz off
CPU on, LCD off, WDT off,
no load
8
15
A
I
STB1
Standby Current 1 (In Sleep Mode)
3V
32768Hz on, 3.58MHz off,
CPU off, LCD off, WDT off,
no load
2.5
3
A
I
STB2
Standby Current 2 (In Idle Mode)
3V
32768Hz off, 3.58MHz off,
CPU off, LCD off, WDT off,
no load
1
A
V
IL
Input Low Voltage for I/O Port
3V
0
1.0
V
V
IH
Input High Voltage for I/O Port
3V
2.0
V
DD
V
V
OL
Output Low Voltage
3V
0.4
V
V
OH
Output High Voltage
3V
2.3
V
DD
V
I
OL1
I/O Port Sink Current
3V V
OL
=0.3V
8
13
mA
I
OH1
I/O Port Source Current
3V V
OH
=2.7V
4
8
mA
I
OL2
Segment, Common Output Sink Current
3V V
OL
=0.3V
270
480
A
I
OH2
Segment, Common Output Source Current
3V V
OH
=2.7V
100
140
A
I
OL3
PWM Sink Current
3V V
OL
=0.3V
16
26
mA
I
OH3
PWM Source Current
3V V
OH
=2.7V
16
26
mA
R
PH
Pull-high Resistance of I/O Ports
3V
30
60
90
k
LBIN
Low Battery Detection Reference Voltage
3V
1.10 1.15 1.20
V
HT23B60
Rev. 1.10
6
March 1, 2004