HT56R64 Ver la hoja de datos (PDF) - Holtek Semiconductor
Número de pieza
componentes Descripción
Lista de partido
HT56R64 Datasheet PDF : 90 Pages
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HT56R64
Symbol
Parameter
IOH1
I/O Port Source Current
IOL2
LCD Common and Segment
Current
IOH2
LCD Common and Segment
Current
RPH
Pull-high Resistance for I/O
Ports
Test Conditions
VDD
Conditions
3V
VOH=0.9VDD
5V
3V
VOL=0.1VDD
5V
3V
VOH=0.9VDD
5V
3V
¾
5V
Min. Typ. Max.
-2
-4
¾
-5
-8
¾
210 420 ¾
350 700 ¾
-80 -160 ¾
-180 -360 ¾
20
60 100
10
30
50
Note:
1. 32768Hz is in slow start mode (RTCC.4=1) for the D.C. current measurement.
2. LCD waveform is in Type A condition.
3. fS is the internal clock for Buzzer, RTC, Time base and WDT.
4. Both Timer/Event Counters are off. Timer filter is disabled for all test conditions.
Unit
mA
mA
mA
mA
mA
mA
kW
kW
A.C. Characteristics
Symbol
Parameter
fSYS1
System Clock
(Crystal OSC, RC OSC)
fSYS2
System Clock
(RTC Crystal OSC)
fRTCOSC RTC Frequency
fTIMER
Timer I/P Frequency
(TMR0/TMR1)
fRC32K
tRES
tLVR
tLVDO
tSST1
tSST2
tSST3
tINT
32K RC Oscillator
External Reset Low Pulse Width
Low Voltage Reset Time
Time for LVDO Become Stable,
LVDC is Enabled
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 2.2V~5.5V
¾
¾
2.2V~5.5V
¾ 3.3V~5.5V
4.5V~5.5V
¾ 2.2V~5.5V, After Trim
¾
¾
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
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
ms
0.1 0.4
0.6
ms
¾
¾
100
ms
¾ 1024 ¾
¾ 1024 ¾
tSYS*
tSYS*
¾
1
1
¾
2
tSYS*
¾
ms
Rev. 1.40
7
September 8, 2009
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