HT86B50 datasheet(21/79 Pages) HOLTEK

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A.C. Characteristics

Ta=25

°C

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

VDD

Conditions

fSYS

System Clock

(RC OSC, Crystal OSC)

¾ 2.2V~5.5V

MHz

tWDTOSC

Watchdog Oscillator Period

180

130

tRES

External Reset Low Pulse Width

¾¾

tSST

System Start-up Timer Period

¾ Wake-up from HALT

1024

*tSYS

tLVR

Low Voltage Reset Time

¾¾

tINT

Interrupt Pulse Width

¾¾

tMAT

Circumscribe Memory Access

Time

¾ 2.2V~5.5V

¾¾

400

Note: *tSYS=1/fSYS

Characteristics Curves

HT86BRxx

· R vs. F Chart Characteristics Curves

· T vs. F Chart Characteristics Curves

HT86BXX/HT86BRXX

Rev. 1.60

October 20, 2009

R v s . F C h a r t

R ( k W )

1 5 0

1 9 5

2 8 5

3 7 6

4 4 5

1 0

3 . 0 V

4 . 5 V

T ( ° C )

0 . 9 4

0 . 9 6

0 . 9 8

1 . 0 0

1 . 0 2

1 . 0 4

1 . 0 6

- 6 0

- 4 0

- 2 0

2 0

4 0

6 0

8 0

1 0 0

T v s . F C h a r t

V D D = 5 V

V D D = 3 V

V D D = 5 V

HT86B50 数据表(PDF) 21 Page - Holtek Semiconductor Inc

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