HT45F75 datasheet(14/190 Pages) HOLTEK

14 / 190 page

Rev. 1.10

1�

De�e��e� 1�� 01�

Rev. 1.10

De�e��e� 1�� 01�

HT45F75

Body Fat Scale Flash MCU

HT45F75

Body Fat Scale Flash MCU

Symbol

Parameter

Test Conditions

Min. Typ. Max. Unit

VDD

Conditions

VLVD�

Low Voltage Dete�to�

Voltage

—

LVDEN=1� VLVD=�.�V

-5%

�.�

+5%

VLVD3

LVDEN=1� VLVD=�.�V

�.�

VLVD�

LVDEN=1� VLVD=�.7V

�.7

VLVD5

LVDEN=1� VLVD=3.0V

3.0

VLVD�

LVDEN=1� VLVD=3.3V

3.3

VLVD7

LVDEN=1� VLVD=3.�V

3.�

VLVD8

LVDEN=1� VLVD=�.0V

�.0

ILVD1

Low Voltage Dete�to�

Cu��ent

—

LVR disa�le� LVDEN=1

—

1�0

μA

ILVD�

LVR ena�le� LVDEN=1

—

150

μA

IOL

Sink �u��ent fo� I/O po�ts

3V VOL=0.1VDD

3�

—

�A

5V VOL=0.1VDD

�0

—

�A

IOH

Sou��e �u��ent fo� I/O po�ts

3V VOH=0.9VDD� PxPS=00

-1.0 -�.0

—

�A

5V VOH=0.9VDD� PxPS=00

-�.0 -�.0

—

�A

3V VOH=0.9VDD� PxPS=01

-1.75 -3.5

—

�A

5V VOH=0.9VDD� PxPS=01

-3.5 -7.0

—

�A

3V VOH=0.9VDD� PxPS=10

-�.5 -5.0

—

�A

5V VOH=0.9VDD� PxPS=10

-5.0

-10

—

�A

3V VOH=0.9VDD� PxPS=11

-5.5

-11

—

�A

5V VOH=0.9VDD� PxPS=11

-11

-��

—

�A

RPH

Pull-high Resistan�e of I/O

Po�ts

—

�0

100

kΩ

—

kΩ

A.C. Characteristics

Ta=�5°C

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

VDD

Conditions

fSYS1

Syste� Clo�k (HXT)

�.�~5.5V

—

0.�

—

MHz

�.7~5.5V

0.�

—

MHz

3.3~5.5V

0.�

—

1�

MHz

�.5~5.5V

0.�

—

1�

MHz

fSYS�

Syste� Clo�k (HIRC)

Ta=�5°C

-�%

�.8×�

+�%

MHz

fSYS3

Syste� Clo�k (LXT)

—

3�7�8

—

fLIRC

Syste� Clo�k (LIRC)

Ta=�5°C

-10%

3�

+10%

kHz

�.�V~5.5V Ta=-�0°C~85°C

-50%

3�

+�0%

kHz

tSST

Syste� Sta�t-up Ti�e� Pe�iod

(Wake-up f�o� HALT)

—

fSYS=HXT o� LXT

—

10��

—

tSYS

fSYS=HIRC

—

1�

—

fSYS=LIRC

—

1~�

—

tRSTD

Syste� Reset Delay Ti�e

(Powe� On Reset)

—

�5

100

�s

Syste� Reset Delay Ti�e

(Any Reset ex�ept Powe� On Reset)

—

8.3

1�.7

33.3

�s

tINT

Inte��upt Pulse Width

—

μs

tLVR

Low Voltage Width to Reset

—

1�0

��0

�80

μs

tLVD

Low Voltage Width to Inte��upt

—

�0

1�0

��0

μs

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