HT36A1
D.C. Characteristics
Ta=25°C
Test Conditions
Conditions
Symbol
VDD
Parameter
Min.
Typ.
Max.
Unit
VDD
¾
Operating Voltage
Operating Current
2.4
3
8
5
V
¾
IDD
No load, fOSC=8MHz
5V
16
mA
¾
No load
ISTB
Standby Current (WDT Disabled)
5V
1
¾
¾
mA
System HALT
IOL
VOL=0.5V
I/O Ports Sink Current
5V
5V
5V
5V
5V
5V
5V
9.7
-5.2
11
16.2
-8.7
22
mA
mA
kW
V
¾
¾
44
5
IOH
VOH=4.5V
I/O Ports Source Current
RPH
VIH1
VIL1
VIH2
VIL2
VIL=0V
¾
Pull-High Resistance of I/O Ports
Input High Voltage for I/O Ports
Input Low Voltage for I/O Ports
Input High Voltage (RES)
Input Low Voltage (RES)
3.5
0
¾
1.5
¾
¾
V
¾
¾
4
V
¾
¾
2.5
V
¾
¾
A.C. Characteristics
Ta=25°C
Test Conditions
Conditions
Symbol
Parameter
Min.
Typ.
Max.
Unit
VDD
MCU interface
fOSC
fSYS
tWDT
tRES
System Frequency
5V 8MHz crystal
8
MHz
MHz
ms
¾
4
¾
8
System Clock
5V
¾
¾
¾
¾
17
¾
Watchdog Time-Out Period (RC)
External Reset Low Pulse Width
Without WDT prescaler
9
35
¾
1
¾
ms
Characteristics Curves
R vs F Characteristics Curve
H
T
3
6
A
1
R
v
s
.
F
C
h
a
r
t
1
1
1
4
2
0
8
6
4
2
3
4
.
.
0
5
V
V
1
2
0
1
5
0
1
8
0
2
0
0
2
2
0
2
4
0
2
7
0
3
0
0
R
(
k
Rev. 1.00
4
August 15, 2005
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
