HT85F2270 datasheet(23/226 Pages) HOLTEK

23 / 226 page

Rev. 1.00

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Standard 8051 8-Bit Flash MCU

HT85F2260/HT85F2270/HT85F2280

7 Absolute Maximum Ratings

Supply Voltage ................................................................................................. VSS-0.3V to VDD+6.0V

Input Voltage ...................................................................................................VSS-0.3V to VDD+0.3V

Storage Temperature ...................................................................................................-50°C to 125°C

Operating Temperature ................................................................................................ -40°C to 85°C

IOLTotal ......................................................................................................................................150mA

IOH Total ................................................................................................................................... -100mA

Total Power Dissipation ...........................................................................................................500mW

Note: These are stress ratings only. Stresses exceeding the range specified under “Absolute

Maximum Ratings” may cause substantial damage to the device. Functional operation of

this device at other conditions beyond those listed in the specification is not implied and

prolonged exposure to extreme conditions may affect device reliability.

8 D.C. Characteristics

Ta=��°C

Symbol

Parameter

Test Conditions

Min. Typ. Max. Unit

VDD

Conditions

VDD1

Operating Voltage

(High Frequenc� Internal RC OSC)

— f

OSC

=fSYS=�.6864�Hz

(PLL disabled)

�.�

—

�.�

VDD�

Operating Voltage

(Cr�stal OSC)

— f

OSC

=fSYS=8�Hz

(PLL disabled)

�.�

—

�.�

VDD�

Operating Voltage

(PLL)

— f

OSC

=4�Hz (Cr�stal OSC)

fSYS=1��Hz (PLL × �)

�.7

—

�.�

VDD4

Operating Voltage

(PLL)

— f

OSC

=4�Hz (Cr�stal OSC)

fSYS=16�Hz (PLL × 4)

�.�

—

�.�

VDD�

Operating Voltage

(PLL)

— f

OSC

=4�Hz (Cr�stal OSC)

fSYS=�4�Hz (PLL × 6)

4.�

—

�.�

IDD1

Operating Current

(High Frequenc� Internal RC OSC)

�V No load� fOSC=fSYS=�.6864�Hz �

(PLL disabled) ADC off� DAC off�

WDT enable

—

�.0

8.0

�V

—

10.0 1�.0

IDD�

Operating Current

(Cr�stal OSC)

�V No load� fOSC=fSYS=8�Hz �

(PLL disabled)

ADC off� DAC off� WDT enable

—

6.0

8.�

�V

—

1�.�

�0

IDD�

Operating Current (PLL)

�V No load� fOSC=4�Hz (Cr�stal OSC)

fSYS=1��Hz (PLL × �)

ADC off� DAC off� WDT enable

—

8.0

1�.0

�V

—

��

IDD4

Operating Current (PLL)

�V

No load�

fOSC=4�Hz (Cr�stal OSC)

fSYS=16�Hz (PLL × 4)

ADC off� DAC off� WDT enable

—

�0

IDD�

Operating Current (PLL)

�V

No load�

fOSC=4�Hz (Cr�stal OSC)

fSYS=�4�Hz (PLL × 6)

ADC off� DAC off� WDT enable

—

�8

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