HT48R10A-1 Просмотр технического описания (PDF) - Holtek Semiconductor
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HT48R10A-1 Datasheet PDF : 38 Pages
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HT48R10A-1/HT48C10-1
A.C. Characteristics
Symbol
Parameter
fSYS1 System Clock (Crystal OSC)
fSYS2 System Clock (RC OSC)
fSYS3 System Clock (Internal RC OSC)
fTIMER Timer I/P Frequency (TMR)
tWDTOSC Watchdog Oscillator Period
tWDT1
tWDT2
tWDT3
tRES
tSST
tINT
Watchdog Time-out Period
(WDT OSC)
Watchdog Time-out Period
(System Clock)
Watchdog Time-out Period
(RTC OSC)
External Reset Low Pulse Width
System Start-up Timer Period
Interrupt Pulse Width
Test Conditions
VDD
Conditions
¾ 2.2V~5.5V
¾ 3.3V~5.5V
¾ 2.2V~5.5V
¾ 3.3V~5.5V
3.2MHz
1.6MHz
5V
800kHz
400kHz
¾ 2.2V~5.5V
¾ 3.3V~5.5V
3V
¾
5V
¾
3V
Without WDT prescaler
5V
¾ Without WDT prescaler
¾ Without WDT prescaler
¾
¾
¾ Wake-up from HALT
¾
¾
Min.
400
400
400
400
1800
900
450
225
0
0
45
32
11
8
¾
¾
1
¾
1
Typ.
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
90
65
23
17
1024
7.812
¾
1024
¾
Ta=25°C
Max. Unit
4000 kHz
8000 kHz
4000 kHz
8000 kHz
5400 kHz
2700 kHz
1350 kHz
675 kHz
4000 kHz
8000 kHz
180
ms
130
ms
46
ms
33
ms
¾
tSYS
¾
ms
¾
ms
¾
tSYS
¾
ms
Rev. 1.90
5
November 4, 2005
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