PI6C557-05Q datasheet(7/9 Pages) PERICOM

Part #	PI6C557-05Q

Description	PCIe 2.0 Clock Generator with 4 HCSL Outputs for Automotive Applications

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Manufacturer	PERICOM [Pericom Semiconductor Corporation]

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PI6C557-05Q

PCIe® 2.0 Clock Generator with 4 HCSL Outputs for Automotive Applications

www.pericom.com

PI6C557-05Q

Rev B

05/05/14

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AC Characteristics

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Unit

FIN

Input Frequency

25

MHz

VOUT

Output Frequency

HCSL terminal

200

MHz

LVDS terminal

100

VOH

Output High Voltage (1,2)

@VDD = 3.3V

660

700

850

mV

VOL

Output Low Voltage(1,2)

-150

0

27

mV

VCPA

Crossing Point Voltage(1,2)

Absolute

250

350

550

mV

VCN

Crossing Point Voltage(1,2,4)

Variation over all edges

140

mV

JCC

Jitter, Cycle-to-Cycle(1,3)

40

60

ps

JRMS

RMS Jitter

PCIe Gen 2 High Band

2.1

3.1

ps

PCIe Gen 2 Low Band

0.6

3.0

MF

Modulation Frequency

Spread Spectrum

30

31.5

33

kHz

tOR

Rise Time(1,2)

From 0.175V to 0.525V

175

332

700

ps

tOF

Fall Time(1,2)

From 0.525V to 0.175V

175

344

700

ps

TSKEW

Skew between outputs

At Crossing Point Voltage

50

ps

TDUTY-CYCLE

Duty Cycle(1,3)

45

55

%

TOE

Output Enable Time(5)

All outputs

10

μs

TOT

Output Disable Time(5)

All outputs

10

μs

tSTABLE

From power-up to VDD=3.3V

From Power-up VDD=3.3V

3.0

ms

Notes:

1. RL = 50-Ohm with CL = 2 pF and RR

2. Single-ended waveform

3. Differential waveform

4. Measured at the crossing point

5. CLK pins are tri-stated when OE is LOW

Thermal Characteristics

Symbol Parameter

Conditions

Min.

Typ.

Max.

Unit

θJA

Thermal Resistance Junction to Ambient

Still air

93

°C/W

θJC

Thermal Resistance Junction to Case

20

°C/W

(VDD = 3.3V ±5%, TA = -40°C to +85°C)

14-0063

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