48R01A1 Ver la hoja de datos (PDF) - Holtek Semiconductor
Número de pieza
componentes Descripción
Fabricante
48R01A1 Datasheet PDF : 49 Pages
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HT48R01A
Symbol
Parameter
VLVR2
VLVR3
Low Voltage Reset 2
Low Voltage Reset 3
IOL
I/O Port Sink Current
IOH
I/O Port Source Current
RPH
Pull-high Resistance
Test Conditions
VDD
Conditions
Min. Typ. Max. Unit
¾ Configuration option: 3.15V 2.98 3.15 3.32 V
¾ Configuration option: 2.1V 1.98 2.1 2.22 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
Ta=25°C
Symbol
Parameter
fSYS1
System Clock
(Crystal OSC, RC OSC)
fSYS2
System Clock
(Internal RC OSC)
(±5%)
fSYS3 System Clock (32768 Crystal)
fTIMER Timer I/P Frequency (TMR)
tWDTOSC Watchdog Oscillator Period
tRES
tSST
tINT
tLVR
VPOR
RPOR
External Reset Low Pulse Width
System Start-up Timer Period
Interrupt Pulse Width
Low Voltage Width to Reset
VDD Start Voltage to Ensure
Power-on Reset
VDD Rise Time to Ensure
Power-on Reset
Test Conditions
VDD
Conditions
Min. Typ. Max. Unit
¾ 2.2V~5.5V
400 ¾ 4000 kHz
¾ 3.3V~5.5V
400 ¾ 8000 kHz
¾ 4.5V~5.5V
400 ¾ 12000 kHz
4.5V~
5.5V
12MHz, Ta=25°C
11400 12000 12600 kHz
3.3V~
5.5V
8MHz, Ta=25°C
7600 8000 8400 kHz
2.7V~
5.5V
4MHz, Ta=25°C
3800 4000 4200 kHz
¾
¾
¾ 32768 ¾
Hz
¾ 2.2V~5.5V
0
¾ 4000 kHz
¾ 3.3V~5.5V
0
¾ 8000 kHz
¾ 4.5V~5.5V
0
¾ 12000 kHz
3V
¾
45
90 180 ms
5V
¾
32
65 130 ms
¾
¾
1
¾
¾
ms
¾ Wake-up from Power Down ¾ 1024 ¾ tSYS
¾
¾
1
¾
¾
ms
¾
¾
0.25 1
2
ms
¾
¾
¾
¾ 100 mV
¾
¾
0.035 ¾
¾ V/ms
Note: tSYS=1/fSYS1, 1/fSYS2 or 1/fSYS3
Rev. 1.10
5
August 4, 2008
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