HT46F46E/HT46F47E/HT46F48E/HT46F49E
A.C. Characteristics
Test Conditions
Symbol
Parameter
V
DD
Conditions
2.2V~5.5V
f
SYS
System Clock
¾
3.3V~5.5V
4.5V~5.5V
2.2V~5.5V
f
TIMER
Timer I/P Frequency
(TMR)
¾
3.3V~5.5V
4.5V~5.5V
t
WDTOSC
t
RES
t
SST
t
LVR
t
INT
t
AD1
t
AD2
t
ADC1
t
ADC2
t
ADCS1
t
ADCS2
3V
Watchdog Oscillator Period
5V
External Reset Low Pulse Width
System Start-up Timer Period
Low Voltage Reset Time
Interrupt Pulse Width
A/D Clock Period
-
HT46F46E
A/D Clock Period
-
HT46F47E/HT46F48E/HT46F49E
A/D Conversion Time
-
HT46F46E
A/D Conversion Time
-
HT46F47E/HT46F48E/HT46F49E
A/D Sampling Time
-
HT46F46E
A/D Sampling Time
-
HT46F47E/HT46F48E/HT46F49E
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
Wake-up from HALT
¾
¾
¾
¾
¾
¾
¾
¾
400
400
400
0
0
0
45
32
1
¾
0.25
1
0.5
1
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
90
65
¾
1024
1
¾
¾
¾
64
76
32
32
4000
8000
12000
4000
8000
12000
180
130
¾
¾
2
¾
¾
¾
¾
¾
¾
¾
kHz
kHz
kHz
kHz
kHz
kHz
ms
ms
ms
*t
SYS
ms
ms
ms
ms
t
AD1
t
AD2
t
AD1
t
AD2
Min.
Typ.
Max.
Unit
Ta=25°C
Note: *t
SYS
=1/f
SYS
Rev. 1.40
7
July 28, 2009
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
