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HT48RA3 数据表(PDF) 4 Page - Holtek Semiconductor Inc

部件名 HT48RA3
功能描述  Remote Type 8-Bit MCU
PDF  38 Pages
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制造商  HOLTEK [Holtek Semiconductor Inc]
网页  http://www.holtek.com
标志 HOLTEK - Holtek Semiconductor Inc

HT48RA3 数据表(HTML) 4 Page - Holtek Semiconductor Inc

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D.C. Characteristics
Ta=25
°C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VDD
Conditions
VDD
Operating Voltage
¾¾
2.0
¾
5.5
V
IDD1
Operating Current
3V
No load, fSYS=4MHz
¾
0.6
1.5
mA
5V
¾
24
mA
IDD2
Operating Current
(Crystal OSC, RC OSC)
5V
No load, fSYS=8MHz
¾
48
mA
ISTB1
Standby Current (WDT Enabled
and WDT RC OSC On)
3V
No load, system HALT
¾
1.1
5
mA
5V
¾
410
mA
ISTB2
Standby Current (WDT Disabled)
3V
No load, system HALT
¾
0.1
1
mA
5V
¾
0.2
2
mA
VIL1
Input Low Voltage for I/O Ports
¾¾
0
¾
0.3VDD
V
VIH1
Input High Voltage for I/O Ports
¾¾
0.7VDD
¾
VDD
V
VIL2
Input Low Voltage (RES)
¾¾
0
¾
0.4VDD
V
VIH2
Input High Voltage (RES)
¾¾
0.9VDD
¾
VDD
V
VLVR
Low Voltage Reset
¾
LVR=2.0V
1.8
1.9
2.0
V
LVR=3.0V
2.7
3.0
3.3
V
IOL
I/O Port Sink Current
3V
VOL=0.1VDD
48
¾
mA
5V
10
20
¾
mA
IOH
I/O Port Source Current
3V
VOH=0.9VDD
-2
-4
¾
mA
5V
-5
-10
¾
mA
RPH
Pull-high Resistance
3V
¾
20
60
100
k
W
5V
10
30
50
k
W
HT48RA3/HT48CA3
Rev. 1.30
4
October 12, 2007



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