ICS557-08 datasheet(8/11 Pages) ICST

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MDS 557-08 C

Revision 021606

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ICS557-08

2:1 Multiplexer Chip for PCI-Express

AC Electrical Characteristics -

Unless stated otherwise, VDD=3.3 V ±5%, Ambient Temperature -40 to +85

°C

1 Test setup is R

L=50 ohms with 2 pF, Rr = 475Ω (1%).

2 Measurement taken from a single-ended waveform.

3 Measurement taken from a differential waveform.

4 Measured at the crossing point where instantaneous voltages of both CLK and CLK are equal.

5 CLK and CLK pins are tri-stated when OE is Low asserted. CLK and CLK are driven differential when OE is High

unless its PD = low.

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Units

Operating Frequency

HCSL termination

200

MHz

LVDS termination

100

MHz

Input High Voltage1,2

VIH

HCSL

660

700

850

Input Low Voltage1,2

VIL

HCSL

-150

Differential Input

Voltages

(VID)

LVDS

250

350

450

Input Offset Voltage

(VIS)

LVDS

1.125

1.25

1.375

Output High Voltage1,2

VOH

HCSL

660

700

850

Output Low Voltage1,2

VOL

HCSL

-150

Crossing Point

Voltage1,2

Absolute

250

350

550

Crossing Point

Voltage1,2,4

Variation over all edges

140

Jitter, Cycle-to-Cycle1,3

Rise Time1,2

tOR

From 0.175 V to 0.525 V

175

332

700

Fall Time1,2

tOF

From 0.525 V to 0.175 V

175

344

700

Rise/Fall Time

Variation1,2

125

Duty Cycle1,3

Output Enable Time5

All outputs

µs

Output Disable Time5

All outputs

µs

Stabilization Time

tSTABLE From power-up VDD=3.3 V

3.0

Input to Output Delay

Input differential clock to output

differential clock delay measured at

crossing point of input levels to

crossing point of output levels

4ns

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