ICS309

SERIAL PROGRAMMABLE TRIPLE PLL SS VERSACLOCK SYNTH

SER PROG CLOCK SYNTHESIZER

IDT® SERIAL PROGRAMMABLE TRIPLE PLL SS VERSACLOCK SYNTH

7

ICS309

REV L 091311

AC Electrical Characteristics

Note 1: Measured with 15 pF load.

Note 2: Duty Cycle is configuration dependent. Most configurations are min 45% / max 55%

Thermal Characteristics

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Units

Input Frequency

Fundamental crystal

5

27

MHz

Input Clock

2

50

MHz

Output Frequency

VDD=3.3 V

0.25

200

MHz

Output Clock Rise Time

20% to 80%, Note 1

0.8

ns

Output Clock Fall Time

80% to 20%, Note 1

0.8

ns

Output Clock Duty Cycle

Note 2

40

49-51

60

%

Power-up time

PDTS goes high until

stable CLK output

410

ms

PDTS goes high until

stable CLK out,

Spread Spectrum off

.2

2

ms

PDTS goes high until

stable CLK out,

Spread Spectrum On

47

ms

Maximum Output Jitter, short term

Reference Clock

±300

ps

Maximum Output Jitter, short term

All other clocks,

Configuration

±200

ps

Pin-to-Pin Skew

Low Skew Outputs

-250

250

ps

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Units

Thermal Resistance Junction to

Ambient

Still air

135

° C/W

1 m/s air flow

93

° C/W

3 m/s air flow

78

° C/W

Thermal Resistance Junction to Case

60

° C/W