HT49R10A-1(2007) Ver la hoja de datos (PDF) - Holtek Semiconductor
Número de pieza
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Fabricante
HT49R10A-1 Datasheet PDF : 38 Pages
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HT49R10A-1/HT49C10-1
Symbol
Parameter
IOH2
LCD Common and Segment
Current
Test Conditions
VDD
Conditions
3V
VOH=0.9VDD
5V
3V
RPH
Pull-high Resistance
¾
5V
VLVR1
VLVR2
VLVR3
VLVD1
VLVD2
VLVD3
Low Voltage Reset Voltage
Low Voltage Detector Voltage
LVR enable, 2.1V option
¾ LVR enable, 3.15V option
LVR enable, 4.2V option
LVD enable, 2.2V option
¾ LVD enable, 3.3V option
LVD enable, 4.4V option
Note: ²*² for the value of VA refer to the LCD driver section.
²*fS² please refer to the WDT clock option
Min. Typ. Max. Unit
-80 -160 ¾
mA
-180 -360 ¾
mA
20
60 100 kW
10
30
50
kW
1.98 2.1 2.22 V
2.98 3.15 3.32 V
3.98 4.2 4.42 V
2.08 2.2 2.32 V
3.12 3.3 3.50 V
4.12 4.4 4.70 V
A.C. Characteristics
Symbol
Parameter
Test Conditions
VDD
Conditions
fSYS1
System Clock
(Crystal OSC, RC OSC)
¾ 2.2V~5.5V
¾ 3.3V~5.5V
fSYS2
System Clock
(32768Hz Crystal OSC)
¾
¾
fRTCOSC RTC Frequency
¾
¾
fTIMER Timer I/P Frequency
¾ 2.2V~5.5V
¾ 3.3V~5.5V
3V
tWDTOSC Watchdog Oscillator Period
¾
5V
tRES
External Reset Low Pulse Width ¾
¾
tSST
System Start-up Timer Period
¾ Wake-up from HALT
tLVR
Low Voltage Width to Reset
¾
¾
tINT
Interrupt Pulse Width
¾
¾
Note: *tSYS= 1/fSYS1 or 1/fSYS2
Ta=25°C
Min. Typ. Max. Unit
400 ¾ 4000 kHz
400 ¾ 8000 kHz
¾ 32768 ¾
Hz
¾ 32768 ¾
Hz
0
¾ 4000 kHz
0
¾ 8000 kHz
45
90 180 ms
32
65 130 ms
1
¾
¾
ms
¾ 1024 ¾ *tSYS
0.25 1
2
ms
1
¾
¾
ms
Rev. 1.20
5
July 27, 2007
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