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HT46C24 Datasheet(PDF) 5 Page - Holtek Semiconductor Inc

Part # HT46C24
Description  A/D Type 8-Bit MCU
PDF  49 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT46C24 Datasheet(HTML) 5 Page - Holtek Semiconductor Inc

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Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VDD
Conditions
IDD3
Operating Current
5V
No load, fSYS=8MHz
ADC disable
¾
35
mA
ISTB1
Standby Current (WDT Enabled)
3V
No load, system HALT
¾¾
5
mA
5V
¾¾
10
mA
ISTB2
Standby Current (WDT Disabled)
3V
No load, system HALT
¾¾
1
mA
5V
¾¾
2
mA
VIL1
Input Low Voltage for I/O Ports,
TMR0, TMR1 and INT
¾¾
0
¾
0.3VDD
V
VIH1
Input High Voltage for I/O Ports,
TMR0, TMR1 and INT
¾¾
0.7VDD
¾
VDD
V
VIL2
Input Low Voltage (RES)
¾¾
0
¾
0.4VDD
V
VIH2
Input High Voltage (RES)
¾¾
0.9VDD
¾
VDD
V
VLVR
Low Voltage Reset Voltage
¾¾
2.7
3
3.3
V
IOL
I/O Port Sink Current
3V
VOL=0.1VDD
48
¾
mA
5V
10
20
¾
mA
IOH
I/O Port Source Current
3V
VOH=0.9VDD
-2
-4
¾
mA
5V
-5
-10
¾
mA
RPH
Pull-high Resistance
3V
¾
20
60
100
k
W
5V
10
30
50
k
W
VAD
A/D Input Voltage
¾¾
0
¾
VDD
V
EAD
A/D Conversion Error
¾¾
¾
±0.5
±1
LSB
IADC
Additional Power Consumption
if A/D Converter is Used
3V
¾
¾
0.5
1
mA
5V
¾
1.5
3
mA
A.C. Characteristics
Ta=25
°C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VDD
Conditions
fSYS
System Clock
¾ 2.2V~5.5V
400
¾
4000
kHz
¾ 3.3V~5.5V
400
¾
8000
kHz
fTIMER
Timer I/P Frequency
(TMR0/TMR1)
¾ 2.2V~5.5V
0
¾
4000
kHz
¾ 3.3V~5.5V
0
¾
8000
kHz
tWDTOSC
Watchdog Oscillator Period
3V
¾
45
90
180
ms
5V
¾
32
65
130
ms
tRES
External Reset Low Pulse Width
¾¾
1
¾¾
ms
tSST
System Start-up Timer Period
¾ Wake-up from HALT
¾
1024
¾
*tSYS
tINT
Interrupt Pulse Width
¾¾
1
¾¾
ms
tAD
A/D Clock Period
¾¾
1
¾¾
ms
tADC
A/D Conversion Time
¾¾
¾
76
¾
tAD
tADCS
A/D Sampling Time
¾¾
¾
32
¾
tAD
tIIC
I
2C Bus Clock Period
¾
Connect to external
pull-high resistor 2k
W
64
¾¾
*tSYS
Note: *tSYS=1/fSYS
HT46R24/HT46C24
Rev. 1.50
5
May 3, 2004



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