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HT48C50- Scheda tecnica(PDF) 6 Page - Holtek Semiconductor Inc

Il numero della parte HT48C50-
Spiegazioni elettronici  8-Bit Microcontroller
PDF  45 Pages
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Produttore elettronici  HOLTEK [Holtek Semiconductor Inc]
Homepage  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT48C50- Scheda tecnica(HTML) 6 Page - Holtek Semiconductor Inc

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Symbol
Parameter
Test Conditions
Min.
Typ.
Max. Unit
VDD
Conditions
ISTB3
Standby Current
(WDT Disabled, RTC On)
3V
No load, system HALT
¾¾
5
mA
5V
¾¾
10
mA
VIL1
Input Low Voltage for
I/O Ports
¾¾
0
¾
0.2VDD
V
VIH1
Input High Voltage for
I/O Ports
¾¾
0.8VDD
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
IOL
I/O Port Sink Current
3V VOL=0.1VDD
612
¾
mA
5V VOL=0.1VDD
10
25
¾
mA
IOH
I/O Port Source
Current
3V VOH=0.9VDD
-3
-6
¾
mA
5V VOH=0.9VDD
-5
-10
¾
mA
RPH
Pull-high Resistance
3V
¾
40
60
80
kW
5V
¾
10
30
50
kW
VLVR1
Low Voltage Reset
¾ 2.2V option
2.0
2.2
2.4
V
VLVR2
Low Voltage Reset
¾ 3.3V option
3.0
3.3
3.6
V
A.C. Characteristics
Ta=25°C
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
VDD
Conditions
fSYS1
System Clock
(Crystal OSC)
3V
¾
400
¾
4000 kHz
5V
¾
400
¾
8000 kHz
fSYS2
System Clock (RC OSC)
3V
¾
400
¾
4000 kHz
5V
¾
400
¾
8000 kHz
fSYS3
System Clock (Internal RC)
3V
3.2MHz option
1600 2500 3500 kHz
5V
2000 3200 4500 kHz
fTIMER
Timer I/P Frequency
(TMR0/TMR1)
3V
¾
0
¾
4000 kHz
5V
¾
0
¾
8000 kHz
tWDTOSC Watchdog Oscillator
3V
¾
43
86
168
ms
5V
¾
35
65
130
ms
tWDT1
Watchdog Time-out Period
(WDT OSC)
3V
Without WDT
prescaler
11
22
43
ms
5V
9
17
35
ms
HT48C50-1
6
June 14, 2000
Preliminary



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