HT86384 datasheet(13/39 Pages) HOLTEK

13 / 39 page

Symbol

Parameter

Test Conditions

Min. Typ. Max. Unit

VDD

Conditions

RPH

Pull-high Resistance

100

A.C. Characteristics

Ta=25

°C

Symbol

Parameter

Test Conditions

Min. Typ. Max. Unit

VDD

Conditions

fSYS1

System Clock (RC OSC)

¾ 2.4V~5.2V

MHz

fSYS2

System Clock (Crystal OSC)

¾ 2.4V~5.2V

MHz

fTIMER

Timer Input Frequency

¾ 2.4V~5.2V

MHz

tWDTOSC Watchdog Oscillator Period

180

130

tWDT1

Watchdog Time-out Period

(WDT OSC)

Without WDT prescaler

tWDT2

Watchdog Time-out Period (Sys-

tem Clock)

¾ Without WDT prescaler

¾ 1024 ¾

tSYS

tWDT3

Watchdog Time-out Period (RTC

OSC)

¾ Without WDT prescaler

¾ 7.812 ¾

tRES

External Reset Low Pulse Width

¾¾

tSST

System Start-up Timer Period

¾ Wake-up from HALT

¾ 1024 ¾

tSYS

tINT

Interrupt Pulse Width

¾¾

Characteristics Curves

HT86072/HT86144/HT86192/HT86384 R vs. F Characteristics Curve

HT86XXX

Rev. 1.70

May 6, 2004

H T 8 6 0 7 2 / H T 8 6 1 4 4 / H T 8 6 1 9 2 / H T 8 6 3 8 4 R v s . F C h a r t

1 0

R ( k W )

4 . 5 V

3 . 0 V

1 1 5

1 0 5

9 5

8 5

7 5

6 5

5 5

HT86384 数据表(PDF) 13 Page - Holtek Semiconductor Inc

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HT86384 数据表(PDF) 13 Page - Holtek Semiconductor Inc

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