HT45F4M datasheet(10/138 Pages) HOLTEK

10 / 138 page

Rev. 1.10

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Rev. 1.10

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HT45F4M

Lithium Battery Backup Power ASSP MCU

HT45F4M

Lithium Battery Backup Power ASSP MCU

Absolute Maximum Ratings

SupplyVoltage........................ VSS-0.3VtoVSS+6.0V

InputVoltage...........................VSS-0.3VtoVDD+0.3V

IOLTotal...............................................................80mA

TotalPowerDissipation................................... 500mV

StorageTemperature.......................... -50°Cto150°C

OperatingTemperature........................ -40°Cto85°C

IOHTotal............................................................. -80mA

Note:Thesearestressratingsonly.Stressesexceedingtherangespecifiedunder“AbsoluteMaximumRatings”

maycausesubstantialdamagetothedevice.Functionaloperationofthisdeviceatotherconditionsbeyond

thoselistedinthespecificationisnotimpliedandprolongedexposuretoextremeconditionsmayaffect

devicereliability.

D.C. Characteristics

Ta= ��°C

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

VDD

Conditions

VDD

Ope�ating Voltage

—

fSYS=7.�MHz

�.7

—

�.�

fSYS=1�MHz

4.�

—

�.�

IDD1

Ope�ating C��ent�

No�mal Mode�

fH=�0MHz

�V

No load� fSYS=fH/��

ADC off� WDT enable

—

�.�

�.0

�V

—

7.�

11.�

�V

No load� fSYS=fH/4�

ADC off� WDT enable

—

�.4

�.60

�V

—

�.4

8.10

�V

No load� fSYS=fH/8�

ADC off� WDT enable

—

�

�.00

�V

—

4.�

6.�0

�V

No load� fSYS=fH/16�

ADC off� WDT enable

—

1.8

�.70

�V

—

�.6

�.40

�V

No load� fSYS=fH/��

ADC off� WDT enable

—

1.6

�.40

�V

—

�.�

4.80

�V

No load� fSYS=fH/64�

ADC off� WDT enable

—

1.6

�.4

�V

—

�.�

4.8

IDD�

Ope�ating C��ent�

Slow Mode�

fSYS= fSUB= LIRC�

�V

No load� fSYS= LIRC�

ADC off� WDT enable

—

�0

μA

�V

—

�0

μA

IIDLE01

IDLE0 Mode Stanb�

C��ent (LIRC on)

�V

No load� ADC off�

WDT enable� LVR disable

—

1.�

�.0

μA

�V

—

�.�

�.0

μA

IIDLE11

IDLE1 Mode Stanb�

C��ent

�V

No load� ADC off�

WDT enable� fSYS= �0MHz on

—

�.0

�V

—

4.0

6.0

ISLEEP

SLEEP Mode Stanb�

C��ent (LIRC on)

�V

No load� ADC off�

WDT enable� LVR disable

—

1.�

�.0

μA

�V

—

�.�

�.0

μA

VIL1

Inp�t Low Voltage fo� I/O

Po�ts o� Inp�t Pins

�V

—

1.�

—

0.�VDD

VIH1

Inp�t High Voltage fo� I/O

Po�ts o� Inp�t Pins

�V

—

�.�

—

�.0

—

0.8VDD

—

VDD

IOL1

I/O Po�t Sink C��ent

(PA� PB0~PB�� PB6� PB7)

�V

VOL= 0.1VDD

6.4

1�.8

—

�V

VOL= 0.1VDD

��

—

IOH1

I/O Po�t So��ce C��ent

(PA� PB0~PB�� PB6� PB7)

�V

VOH= 0.9VDD

�.4

4.8

—

�V

VOH= 0.9VDD

1�

—

IOL�

I/O Po�t Sink C��ent

(PB4� PB�)

�V

VOL= 0.1VDD

—

�V

VOL= 0.1VDD

�0

—

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