HT48CA5 查看數據表（PDF） - Holtek Semiconductor
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HT48CA5 Datasheet PDF : 38 Pages
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HT48RA5/HT48CA5
D.C. Characteristics
Ta=25°C
Symbol
Parameter
VDD
Operating Voltage
Test Conditions
VDD
Conditions
¾
¾
Min. Typ. Max. Unit
2.0
¾
5.5
V
IDD1
Operating Current
3V
No load, fSYS=4MHz
5V
¾
0.6 1.5 mA
¾
2
4
mA
IDD2
Operating Current
(Crystal OSC, RC OSC)
5V No load, fSYS=8MHz
¾
4
8
mA
ISTB1
Standby Current (WDT Enabled and
WDT RC OSC On)
3V
5V
No load, system HALT
¾
¾
1.1
4
5
10
mA
mA
3V
¾
0.1
1
mA
ISTB2
Standby Current (WDT Disabled)
No load, system HALT
5V
¾
0.2
2
mA
VIL1
Input Low Voltage for I/O Ports
¾
¾
0
¾ 0.3VDD V
VIH1
Input High Voltage for I/O Ports
¾
¾
0.7VDD ¾
VDD
V
VIL2
Input Low Voltage (RES)
¾
¾
0
¾ 0.4VDD V
VIH2
Input High Voltage (RES)
¾
¾
0.9VDD ¾
VDD
V
VLVR
Low Voltage Reset
LVR=2.0V
¾
LVR=3.0V
1.8 1.9 2.0
V
2.7 3.0 3.3
V
IOL
I/O Port Sink Current
3V
VOL=0.1VDD
5V
4
8
¾
mA
10
20
¾
mA
IOH
I/O Port Source Current
3V
VOH=0.9VDD
5V
-2
-4
¾
mA
-5
-10
¾
mA
RPH
Pull-high Resistance
3V
¾
5V
20
60 100 kW
10
30
50
kW
Rev. 1.40
4
May 22, 2009
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