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HT48F70E Datasheet(PDF) 5 Page - Holtek Semiconductor Inc

Part # HT48F70E
Description  I/O Flash Type MCU with EEPROM
Download  58 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT48F70E Datasheet(HTML) 5 Page - Holtek Semiconductor Inc

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A.C. Characteristics
Ta=25
°C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VDD
Conditions
fSYS
System Clock
(RC OSC, Crystal OSC)
¾ 2.2V~5.5V
400
¾
4000
kHz
¾ 3.3V~5.5V
400
¾
8000
kHz
¾ 4.5V~5.5V
400
¾
12000
kHz
fTIMER
Timer I/P Frequency (TMR)
¾ 2.2V~5.5V
0
¾
4000
kHz
¾ 3.3V~5.5V
0
¾
8000
kHz
¾ 4.5V~5.5V
0
¾
12000
kHz
tWDTOSC
Watchdog Oscillator Period
3V
¾
45
90
180
ms
5V
¾
32
65
130
ms
tWDT1
Watchdog Time-out Period
(WDT Internal Clock Source)
3V
Without WDT prescaler
11
23
46
ms
5V
8
17
33
ms
tWDT2
Watchdog Time-out Period
(Instruction Clock Source)
¾ Without WDT prescaler
¾
1024
¾
*tSYS
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
tLVR
Low Voltage Reset Time
¾¾
1
¾
2ms
tINT
Interrupt Pulse Width
¾¾
1
¾¾
ms
Note: *tSYS=1/fSYS
EEPROM
- A.C. Characteristics
Ta=25
°C
Symbol
Parameter
VCC=5V
±10%
VCC=2.2V
±10%
Unit
Min.
Max.
Min.
Max.
fSK
Clock Frequency
0201
MHz
tSKH
SK High Time
250
¾
500
¾
ns
tSKL
SK Low Time
250
¾
500
¾
ns
tCSS
CS Setup Time
50
¾
100
¾
ns
tCSH
CS Hold Time
0
¾
0
¾
ns
tCDS
CS Deselect Time
250
¾
250
¾
ns
tDIS
DI Setup Time
100
¾
200
¾
ns
tDIH
DI Hold Time
100
¾
200
¾
ns
tPD1
DO Delay to
²1²¾
250
¾
500
ns
tPD0
DO Delay to
²0²¾
250
¾
500
ns
tSV
Status Valid Time
¾
250
¾
250
ns
tPR
Write Cycle Time
¾
5
¾
5ms
HT48F70E
Rev. 1.30
5
July 29, 2009


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