HT66F019 datasheet(14/175 Pages) HOLTEK

14 / 175 page

Rev. 1.00

De�e��e� 01� �01�

Rev. 1.00

De�e��e� 01� �01�

HT66F019

A/D Flash MCU with EEPROM

HT66F019

A/D Flash MCU with EEPROM

A.C. Characteristics

Fordatainthefollowingtables,notethatfactorssuchasoscillatortype,operatingvoltage,operating

frequencyandtemperatureetc.,canallexertaninfluenceonthemeasuredvalues.

High Speed Internal Oscillator – HIRC – Frequency Accuracy

DuringtheprogramwritingoperationthewriterwilltrimtheHIRCoscillatoratauserselected

HIRCfrequencyanduserselectedvoltageof3Vor5V.

8/12/16MHz

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

VDD

Temp.

fHIRC

8MHz W�ite� T�i��ed HIRC

F�equen�y

3V/5V

�5°C

-1%

+1%

MHz

-40°C ~ 85°C

-�%

+�%

�.�V~5.5V

�5°C

-�.5%

+�.5%

-40°C ~ 85°C

-3%

+3%

1�MHz W�ite� T�i��ed HIRC

F�equen�y

3V/5V

�5°C

-1%

1�

+1%

MHz

-40°C ~ 85°C

-�%

1�

+�%

�.�V~5.5V

�5°C

-�.5%

1�

+�.5%

-40°C ~ 85°C

-3%

1�

+3%

16MHz W�ite� T�i��ed HIRC

F�equen�y

�5°C

-1%

+1%

MHz

-40°C ~ 85°C

-�%

+�%

3.3V~5.5V

�5°C

-�.5%

+�.5%

-40°C ~ 85°C

-3%

+3%

Notes:1.The3V/5VvaluesforVDDareprovidedasthesearethetwoselectablefixedvoltagesatwhichtheHIRC

frequencyistrimmedbythewriter.

2.Therowbelowthe3V/5VtrimvoltagerowisprovidedtoshowthevaluesforthefullVDDrange

operatingvoltage.Itisrecommendedthatthetrimvoltageisfixedat3Vforapplicationvoltageranges

from2.2Vto3.6Vandfixedat5Vforapplicationvoltagerangesfrom3.3Vto5.5V.

3.Theminimumandmaximumtolerancevaluesprovidedinthetableareonlyforthefrequencyatwhich

thewritertrimstheHIRCoscillator.Aftertrimmingatthischosenspecificfrequencyanychangein

HIRCoscillatorfrequencyusingtheoscillatorregistercontrolbitsbytheapplicationprogramwillgive

afrequencytolerancetowithin±20%.

Low Speed Internal Oscillator Characteristics – LIRC

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

VDD

Temp.

fLIRC

LIRC F�equen�y

25˚C

-10%

3�

+10%

kHz

�.�V~5.5V

-40˚C~85˚C

-50%

3�

+60%

HT66F019 Datasheet(PDF) 14 Page - Holtek Semiconductor Inc

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