HT46R54 View Datasheet(PDF) - Holtek Semiconductor
Part Name
Description
Manufacturer
HT46R54 Datasheet PDF : 42 Pages
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HT46R53/HT46R54
A.C. Characteristics
Symbol
Parameter
fSYS
System Clock (Crystal OSC)
fTIMER Timer I/P Frequency (TMR)
tWDTOSC Watchdog Oscillator Period
tRES
tSST
tINT
tAD
tADC
tADCS
External Reset Low Pulse Width
System Start-up Timer Period
Interrupt Pulse Width
A/D Clock Period
A/D Conversion Time
A/D Sampling Time
Note: tSYS=1/fSYS
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
¾ Wake-up from HALT
¾
¾
¾
¾
¾
¾
¾
¾
Ta=25°C
Min. Typ. Max. Unit
400
¾ 4000 kHz
400
¾ 8000 kHz
0
¾ 4000 kHz
0
¾ 8000 kHz
45
90
180
ms
32
65
130
ms
1
¾
¾
ms
¾ 1024 ¾
tSYS
1
¾
¾
ms
1
¾
¾
ms
¾
80
¾
tAD
¾
32
¾
tAD
Rev. 1.40
5
July 12, 2005
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