HT67F488 datasheet(15/171 Pages) HOLTEK

15 / 171 page

Rev. 1.60

�ove��e� �� 016

HT67F488/HT67F489

TinyPowerTM A/D Flash MCU with LCD & EEPROM

Symbol

Parameter

Test Conditions

Min.

Typ.

Max. Unit

VDD

Conditions

IOH

I/O Po�t Sou�ce Cu��ent

VOH= 0.9VDD

(IOHSn[1:0]=00B� n=0~7)

-�

-4

—

�A

VOH= 0.9VDD

(IOHSn[1:0]=01B� n=0~7)

-0.67 -1.33

—

�A

VOH= 0.9VDD

(IOHSn[1:0]=10B� n=0~7)

-0.5

-1

—

�A

VOH= 0.9VDD

(IOHSn[1:0]=11B� n=0~7)

-0.33 -0.66

—

�A

VOH= 0.9VDD

(IOHSn[1:0]=00B� n=0~7)

-5

-10

—

�A

VOH= 0.9VDD

(IOHSn[1:0]=01B� n=0~7)

-1.67 -3.33

—

�A

VOH= 0.9VDD

(IOHSn[1:0]=10B� n=0~7)

-1.�5

-�.5

—

�A

VOH= 0.9VDD

(IOHSn[1:0]=11B� n=0~7)

-0.83 -1.67

—

�A

RPH

Pull-high Resistance fo� I/O Po�ts

—

�0

100

kΩ

—

kΩ

LCD total �ias �esiste�

3V/5V

—

-30

+30

ITOL

Total I/O Po�t Sink Cu��ent

—

�A

ITOH

Total I/O Po�t Sou�ce Cu��ent

—

-80

—

�A

A.C. Characteristics

Ta=�5°C

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

VDD

Conditions

fCPU

Ope�ating Clock

—

�.�~5.5

─

MHz

�.�~5.5V

─

MHz

�.7~5.5V

─

1�

MHz

4.5~5.5V

─

MHz

fSYS

Syste� Clock (HIRC)

�.�V~5.5V

—

MHz

fHIRC

Syste� Clock (HIRC)

4.5V~5.5V Ta=0°C to 70°C

-�%

+�%

MHz

fLIRC

Syste� Clock (LIRC)

Ta=�5°C

-10%

3�

+10%

kHz

tTIMER

TCKn Input Pulse Width

—

0.3

—

μs

tI�T

Inte��upt Pulse Width

—

μs

tEERD

EEPROM Read Ti�e

—

�

tSYS

tEEWR

EEPROM W�ite Ti�e

—

�

�s

tRSTD

Syste� Reset Delay Ti�e

(Powe� On Reset� LVR Reset�

WDTC/LVRC S/W Reset)

—

�5

100

�s

Syste� Reset Delay Ti�e

(WDT Ti�e-out Reset)

—

8.3

16.7

33.3

�s

tSST

Syste� Sta�t-up Ti�e� Pe�iod

(Wake-up f�o� HALT)

—

fSYS=LXT/HXT

—

10�4

—

tSYS

—

fSYS=HIRC

—

fSYS=LIRC

—

�

—

tSRESET

Softwa�e Reset Width to Reset

—

1�0

μs

Note:tSYS=1/fSYS

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