HT66F60A datasheet(21/237 Pages) HOLTEK

21 / 237 page

Rev. 1.00

�0

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Rev. 1.00

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HT66F60A/HT66F70A

Enhanced A/D Flash Type 8-Bit MCU with EEPROM

A.C. Characteristics

Ta=�5°C

Symbol

Parameter

Test Conditions

Min. Typ. Max. Unit

VDD

Condition

fSYS1

System �lo�k (HXT)

—

�.�~5.5V

0.4

—

�Hz

�.7~5.5V

0.4

—

1� �Hz

4.5~5.5V

0.4

—

16 �Hz

fSYS�

System �lo�k (ERC)

5V Ta=�5°C� Exte�nal RERC=1�0kΩ

-�%

+�% �Hz

fSYS�

System �lo�k (HIRC)

5V Ta=�5°C

-�%

+�% �Hz

fSYS4

System Clo�k (LXT)

—

— ��768 —

fSYS5

System Clo�k (LIRC)

5V Ta=�5°C

-�%

��

+�% kHz

tTI�ER

TCKn and time� �aptu�e Input Pulse

Widt�

—

0.�

—

μs

tRES

Exte�nal Reset Low Pulse Widt�

—

μs

tINT

Inte��upt Pulse Widt�

—

μs

tSST

System Sta�t-up Time� Pe�iod

(Wake-up f�om HALT�

fSYS off at HALT state�

Slow �ode →No�mal �ode�

No�mal �ode → Slow �ode)

—

fSYS=HXT o� LXT

(Slow �ode→No�mal �ode(HXT)�

No�mal �ode→Slow �ode(LXT))

10�4

—

tSYS

fSYS=HXT o� LXT

(Wake-up f�om HALT�

fSYS off at HALT state)

10�4

—

tSYS

— fSYS=ERC o� HIRC

—

tSYS

— fSYS=LIRC

�

—

tSYS

System Sta�t-up Time� Pe�iod

(Wake-up f�om HALT�

fSYS on at HALT state)

—

�

—

tSYS

System Sta�t-up Time� Pe�iod (Reset) —

—

10�4

—

tSYS

tRSTD

System Reset Delay Time

(Powe� On Reset� LVR �eset� LVRC

softwa�e �eset� WDTC softwa�e �eset)

—

�5

100

System Reset Delay Time

(RES �eset� WDT no�mal �eset)

—

8.�

16.7 ��.� ms

tEERD

EEPRO� Read Time

—

�

tSYS

tEEWR

EEPRO� W�ite Timet

—

�

Note: tSYS=1/fSYS

HT66F60A Datasheet(PDF) 21 Page - Holtek Semiconductor Inc

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