Max9489 multiple-output network clock generator, Dc electrical characteristics (continued), Ac electrical characteristics – Rainbow Electronics MAX9489 User Manual

Page 3

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MAX9489

Multiple-Output Network Clock Generator

_______________________________________________________________________________________

3

DC ELECTRICAL CHARACTERISTICS (continued)

(V

DD

= AV

DD

= +3.0V to +3.6V, T

A

= -40°C to +85°C, unless otherwise noted. Typical values are at V

DD

= AV

DD

= +3.3V, T

A

= +25°C.)

(Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

POWER SUPPLIES

Digital Power-Supply Voltage

V

DD

3.0

3.6

V

Analog Power-Supply Voltage

AV

DD

3.0

3.6

V

Total Supply Current

C

L

= 10p f ( w i th al l C LK_ outp uts at 133M H z) 134

160

mA

Total Power-Down Current

I

PD

All clock registers = 0x00

38

47

mA

AC ELECTRICAL CHARACTERISTICS

(V

DD

= AV

DD

= +3.0V to +3.6V, C

L

= 10pF, unless otherwise noted. Typical values are at V

DD

= AV

DD

= +3.3V, T

A

= +25°C, with all

CLK_ outputs at 133MHz.) (Note 2)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

OUTPUTS (CLK_)

Crystal Frequency Tolerance

∆f

A

-50

+50

ppm

Output-to-Output Skew

t

SKO

Any two CLK_ outputs

200

ps

Rise Time

t

R1

20% V

DD

to 80% V

DD

1.8

2.5

ns

Fall Time

t

F1

80% V

DD

to 20% V

DD

1.8

2.5

ns

Duty Cycle

40

60

%

Output Period Jitter

J

P

RMS

53

ps

Power-Up Time

t

PO

V

DD

> 2.8V to PLL lock

2

ms

PLL Lockup Time

t

Lock

PLL dividing ratio set to PLL lock

20

µs

Margin Accuracy

Select ±5% or ±10% margin

-1

+1

%

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