HT48R062 Просмотр технического описания (PDF) - Holtek Semiconductor
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HT48R062 Datasheet PDF : 31 Pages
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HT48R062/HT48C062
D.C. Characteristics
Symbol
Parameter
VDD
Operating Voltage
IDD1
Operating Current (Crystal OSC)
IDD2
IDD3
ISTB1
Operating Current (RC OSC)
Operating Current
(Crystal OSC, RC OSC)
Standby Current (WDT Enabled)
ISTB2
VIL1
VIH1
VIL2
VIH2
VLVR
IOL
Standby Current (WDT Disabled)
Input Low Voltage for I/O Port
Input High Voltage for I/O Port
Input Low Voltage (RES)
Input High Voltage (RES)
Low Voltage Reset
I/O Port Sink Current
IOH
I/O Port Source Current
RPH
Pull-high Resistance
Ta=25°C
Test Conditions
VDD
Conditions
¾ fSYS=4MHz
¾ fSYS=8MHz
3V
No load, fSYS=4MHz
5V
3V
No load, fSYS=4MHz
5V
Min. Typ. Max. Unit
2.2
¾
5.5
V
3.3
¾
5.5
V
¾
0.6 1.5 mA
¾
2
4
mA
¾
0.8 1.5 mA
¾
2.5
4
mA
5V No load, fSYS=8MHz
¾
4
8
mA
3V
¾
¾
5
mA
No load, system HALT
5V
¾
¾
10
mA
3V
¾
¾
1
mA
No load, system HALT
5V
¾
¾
2
mA
¾
¾
0
¾ 0.3VDD V
¾
¾
0.7VDD ¾
VDD
V
¾
¾
0
¾ 0.4VDD V
¾
¾
0.9VDD ¾
VDD
V
¾ LVR enabled
2.7
3
3.3
V
3V
VOL=0.1VDD
5V
4
8
¾
mA
10
20
¾
mA
3V
VOH=0.9VDD
5V
-2
-4
¾
mA
-5
-10
¾
mA
3V
¾
5V
20
60 100 kW
10
30
50
kW
A.C. Characteristics
Symbol
Parameter
fSYS1 System Clock (Crystal OSC)
fSYS2 System Clock (RC OSC)
tWDTOSC Watchdog Oscillator Period
tRES
External Reset Low Pulse Width
tSST
System Start-up Timer Period
tLVR
Low Voltage Width to Reset
Note: tSYS=1/fSYS
Rev. 1.21
Test Conditions
VDD
Conditions
¾ 2.2V~5.5V
¾ 3.3V~5.5V
¾ 2.2V~5.5V
¾ 3.3V~5.5V
3V
¾
5V
¾
¾
¾
Power-up or wake-up
from HALT
¾
¾
Ta=25°C
Min. Typ. Max. Unit
400
¾ 4000 kHz
400
¾ 8000 kHz
400
¾ 4000 kHz
400
¾ 8000 kHz
22
45
90
ms
16
32
64
ms
1
¾
¾
ms
¾ 1024 ¾
tSYS
0.25
1
2
ms
3
December 30, 2008
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