HT85F2240 datasheet(19/147 Pages) HOLTEK

19 / 147 page

Rev. 1.10

19 of 147

�� 1� �01�

A/D Flash 8051 Core Low Pin Count MCU

HT85F2230/HT85F2240

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 Vo�tage

(High Freq�enc� Interna� RC

OSC)

—

fOSC=fSYS=1�MHz

HFSCR[1:0]=00b

�.7

—

�.�

fOSC=fSYS=16MHz

HFSCR[1:0]=10b

�.�

—

�.�

fOSC=fSYS=�0MHz

HFSCR[1:0]=11b

4.�

—

�.�

VDD�

Operating Vo�tage

(Cr�sta� OSC)

—

fOSC=fSYS=8MHz

�.�

—

�.�

fOSC=fSYS=1�MHz

�.7

—

�.�

fOSC=fSYS=16MHz

�.�

—

�.�

fOSC=fSYS=�4MHz

4.�

—

�.�

IDD1

Operating C�rrent

(High Freq�enc� Interna� RC

OSC)

�V

No �oad� fOSC=fSYS=1�MHz�

ADC off� WDT enab�e

—

1�

�V

—

��

�V

No �oad� fOSC=fSYS=16MHz�

ADC off� WDT enab�e

—

�0

�V

No �oad� fOSC=fSYS=�0MHz�

ADC off� WDT enab�e

—

�8

IDD�

Operating C�rrent

(Cr�sta� OSC)

�V

No �oad� fOSC=fSYS=8MHz�

ADC off� WDT enab�e

—

6.0

8.�

�V

—

1�.�

�0

�V

No �oad� fOSC=fSYS=1�MHz�

ADC off� WDT enab�e

—

1�

�V

—

��

�V

No �oad� fOSC=fSYS=16MHz�

ADC off� WDT enab�e

—

�0

�V

No �oad� fOSC=fSYS=�4MHz�

ADC off� WDT enab�e

—

�8

ISTB1

Stanb� C�rrent

(Power-Down Mode)

(HIRC off� HXT off)

�V

No �oad� A�� periphera�s off

—

1.�

μA

�V

—

�.�

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