HT45R38
Test Conditions
Conditions
Symbol
Parameter
Min.
Typ.
Max.
Unit
VDD
3V
5V
3V
5V
3V
5V
8
20
-4
-10
20
10
16
40
mA
mA
mA
mA
kW
¾
¾
IOL2
VOL=0.1VDD
VOH=0.9VDD
PC Sink Current
-8
¾
IOH2
PB Source Current
-20
60
¾
100
50
¾
¾
RPH
Pull-high Resistance
A/D Input Voltage
30
kW
ADC input reference
voltage is VDD
VAD
DNL
INL
0
VDD
V
¾
¾
ADC Differential Non-Linear
ADC Integral Non-Linear
LSB
LSB
Bits
mA
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
±2.5
¾
±2
±4
12
1
RESOLU Resolution
¾
3V
5V
0.5
1.5
Additional Power Consumption if A/D
Converter is Used
IADC
3
mA
A.C. Characteristics
Ta=25°C
Test Conditions
Conditions
Symbol
Parameter
Min.
Typ.
Max.
Unit
VDD
2.2V~5.5V
3.3V~5.5V
2.2V~5.5V
3.3V~5.5V
¾
400
400
0
4000
8000
4000
8000
180
130
46
kHz
kHz
kHz
kHz
¾
¾
¾
¾
¾
¾
90
65
23
17
System Clock
fSYS
(Crystal OSC, RC OSC)
¾
fTIMER
Timer I/P Frequency
0
¾
3V
5V
3V
5V
45
32
11
8
ms
ms
tWDTOSC
Watchdog Oscillator Period
¾
ms
ms
Watchdog Time-out Period
(WDT RC OSC)
tWDT1
Without WDT prescaler
Without WDT prescaler
33
Watchdog Time-out Period
(System Clock/4)
tWDT2
tSYS
1024
¾
¾
¾
tRES
tSST
tINT
External Reset Low Pulse Width
System Start-up Timer Period
Interrupt Pulse Width
1
¾
1
¾
¾
¾
¾
¾
¾
¾
¾
¾
1024
¾
¾
¾
¾
2
ms
tSYS
Wake-up from HALT
¾
¾
¾
¾
¾
ms
tLVR
tAD
tADC
tADCS
Low Voltage Reset Time
A/D Clock Period
0.25
1
1
ms
¾
¾
¾
¾
ms
tAD
tAD
A/D Conversion Time
80
¾
¾
A/D Sampling Time
32
Rev. 1.00
5
December 13, 2006
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
