852

REV K 04/01/10

ICS9DB102

Two Output Differential Buffer for PCIe Gen1 & Gen2

4

Electrical Characteristics - PCIEX 0.7V Current Mode Differential Pair

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS NOTES

Current Source Output

Impedance

Zo

3000

1

Voltage High

VHigh

660

850

1,3

Voltage Low

VLow

-150

150

1,3

Max Voltage

Vovs

1150

1,3

Min Voltage

Vuds

-300

1,3

Crossing Voltage (abs) Vcross(abs)

250

350

550

mV

1,3

Crossing Voltage (var)

d-Vcross

Variation of crossing over all

edges

12

140

mV

1,3

Long Accuracy

ppm

see Tperiod min-max values

0

ppm

1,2

100.00MHz nominal

9.9970

10.0030

ns

2

100.00MHz spread

9.9970

10.0533

ns

2

Absolute min period

Tabsmin

100.00MHz nominal/spread

9.8720

ns

1,2

Rise Time

175

700

ps

1

Fall Time

175

700

ps

1

Rise Time Variation

30

125

ps

1

Fall Time Variation

30

125

ps

1

PLL Mode.

0

150

ps

1

Bypass mode

3.7

4.2

ns

1

Duty Cycle

Measurement from differential

wavefrom

45

55

%

1

Output-to-Output Skew

25

ps

1

PLL mode. Measurement from

differential wavefrom

35

ps

1

Additve Jitter in Bypass Mode

30

ps

1

.

Input to Output Delay

Jitter, Cycle to cycle

mV

Measurement on single ended

signal using absolute value.

mV

Average period

Tperiod

Statistical measurement on

single ended signal using