BU2285FV

Multimedia ICs

5/6

Electrical characteristics (Unless specified otherwise Ta=25

Parameter

Symbol

Min.

Typ.

Max.

Unit

Conditions

IOL

=4.0mA

IOH

=−4.0mA

No load

XTAL

× 375 / 128 / 2

XTAL

× 375 / 128 / 4

CTRLB

=H, XTAL × 375 / 128 / 4

CTRLB

=L, XTAL × 375 / 128 / 8

XTAL

× 147 / 40 / 4

XTAL

× 147 / 40 / 8

CTRLA

=H, XTAL output

CTRLA

=L, XTAL × 147 / 40 / 4

CTRLA

=H, XTAL / 2 output

CTRLA

=L, XTAL × 147 / 40 / 8

Short term itter 1sigma

Min.

− Max. level

∗

Output "L" voltage

Output "H" voltage

Power supply current

CLK54M

CLK27M

VOL

VOH

IDD

CLK54M

CLK27M

CLKDAC_H

CLKDAC_L

CLK33M

CLK16M

CLKA_H

CLKA_L

CLKB_H

CLKB_L

Duty

Jstd1

Jstd2

tr

tf

tLOCK

−

2.4

−

−

−

−

−

−

−

−

−

−

−

45

−

−

−

−

−

−

−

30

54

27

27

13.5

33.8688

16.9344

36.864

33.864

18.432

16.9344

50

100

400

2.5

2.5

−

CLKDAC

CLKA

CLKB

CLK33M

CLK16M

Duty

Jitter1

Jitter2

Rise time

Fall time

Output LOCK time

0.4

−

50

−

−

−

−

−

−

−

−

−

−

55

−

−

−

−

1

V

V

mA

MHz

MHz

MHz

MHz

MHz

MHz

MHz

MHz

MHz

MHz

%

psec

psec

nsec

nsec

msec

Jitter is meen value when using Time Interval Analyzer with 10,000 sampling.

∗ Time between voltage supply lead to 3.0V and output clock gets stable. Start up time of power supply sources satisfy this rated value at every time, case.