HT46R12
A.C. Characteristics
Ta=25°C
Test Conditions
Conditions
2.2V~5.5V
Symbol
Parameter
Min.
Typ.
Max.
Unit
VDD
¾
400
400
0
4000
8000
4000
8000
180
kHz
kHz
kHz
kHz
ms
¾
¾
¾
¾
90
65
¾
fSYS
System Clock
3.3V~5.5V
¾
2.2V~5.5V
¾
Timer I/P Frequency
(TMR0/TMR1)
fTIMER
3.3V~5.5V
0
¾
3V
5V
¾
45
32
1
¾
¾
¾
tWDTOSC
Watchdog Oscillator Period
130
ms
tRES
tSST
External Reset Low Pulse Width
System Start-up Timer Period
¾
ms
Power-up or Wake-up
from HALT
*tSYS
1024
¾
¾
¾
tINT
Interrupt Pulse Width
A/D Clock Period
1
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
76
32
¾
¾
¾
¾
¾
3
ms
ms
tAD
1
tADC
tADCS
tCOMP
tAD
tAD
A/D Conversion Time
A/D Sampling Time
¾
¾
¾
Comparator Response Time
ms
Note: *tSYS=1/fSYS
Rev. 1.20
5
February 24, 2006
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
