HT56R66(2009) Просмотр технического описания (PDF) - Holtek Semiconductor
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производитель
HT56R66 Datasheet PDF : 104 Pages
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HT56R66/HT56R666
A.C. Characteristics
Symbol
Parameter
fSYS
System Clock
(Crystal OSC, RC OSC)
fRTCOSC RTC Frequency
fTIMER
Timer I/P Frequency
(TMR0/TMR1)
fRC32K
tRES
tLVR
tSST1
tSST2
tSST3
tINT
32K RC Oscillator
External Reset Low Pulse Width
Low Voltage Reset Time
System Start-up Timer Period
System Start-up Timer Period for
XTAL or RTC oscillator
System Start-up Timer Period for
External RC or External Clock
Interrupt Pulse Width
Test Conditions
VDD
Conditions
2.2V~5.5V
¾ 3.0V~5.5V
4.5V~5.5V
¾
¾
2.2V~5.5V
¾ 3.0V~5.5V
4.5V~5.5V
¾
2.2V~5.5V,
After Trim
¾
¾
¾
¾
¾ Power-on
¾
Wake-up from Power
Down Mode
¾
Wake-up from Power
Down Mode
¾
¾
Note: *tSYS=1/fSYS1 or 1/fSYS2
Ta=25°C
Min. Typ. Max. Unit
32
¾ 4000 kHz
32
¾ 8000 kHz
32
¾ 12000 kHz
¾ 32768 ¾
Hz
0
¾ 4000 kHz
0
¾ 8000 kHz
0
¾ 12000 kHz
28.8 32.0 35.2 kHz
1
¾
¾
0.1 0.4
0.6
¾ 1024 ¾
¾ 1024 ¾
ms
ms
tSYS*
tSYS*
¾
1
2
tSYS*
1
¾
¾
ms
Rev. 1.10
12
September 8, 2009
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