HT46F46E/HT46F47E/HT46F48E/HT46F49E
A.C. Characteristics
Ta=25°C
Test Conditions
Symbol
Parameter
Min.
Typ.
Max.
Unit
VDD
Conditions
2.2V~5.5V
400
400
400
0
4000
8000
12000
4000
8000
12000
180
130
¾
kHz
kHz
kHz
kHz
kHz
kHz
¾
¾
fSYS
System Clock
3.3V~5.5V
4.5V~5.5V
2.2V~5.5V
3.3V~5.5V
4.5V~5.5V
¾
¾
¾
Timer I/P Frequency
(TMR)
fTIMER
0
¾
¾
0
¾
3V
5V
¾
¾
¾
¾
¾
45
32
1
90
65
¾
¾
ms
ms
tWDTOSC
Watchdog Oscillator Period
¾
tRES
tSST
tLVR
tINT
External Reset Low Pulse Width
System Start-up Timer Period
Low Voltage Reset Time
¾
ms
*tSYS
Wake-up from HALT
1024
1
¾
¾
0.25
1
2
ms
ms
ms
¾
¾
¾
Interrupt Pulse Width
¾
¾
tAD1
0.5
A/D Clock Period - HT46F46E
¾
¾
A/D Clock Period -
tAD2
1
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
64
76
32
32
¾
¾
¾
¾
¾
ms
HT46F47E/HT46F48E/HT46F49E
tADC1
tADC2
tADCS1
tADCS2
tAD1
tAD2
tAD1
tAD2
A/D Conversion Time - HT46F46E
¾
¾
¾
¾
A/D Conversion Time -
HT46F47E/HT46F48E/HT46F49E
A/D Sampling Time - HT46F46E
A/D Sampling Time -
HT46F47E/HT46F48E/HT46F49E
Note: *tSYS=1/fSYS
Rev. 1.40
7
July 28, 2009
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
