2 Output Express* Buffer with CLKREQ# Function

ICS9DB102

REV F 08/06/07

ICS9DB102

2 Output PCI Express* Buffer with CLKREQ# Function

4

Electrical Characteristics - PCIEX 0.7V Current Mode Differential Pair

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

NOTES

Current Source Output

Impedance

Zo

3000

Ω

1

Voltage HighVHigh

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

ppm1,2

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.

135

185

ps

1

Bypass mode

3.2

3.7

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

.

clock complies with CK409/CK410 accuracy requirements

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 oscilloscope