ICS8741004

DIFFERENTIAL-TO-LVDS/0.7V DIFFERENTIAL PCI EXPRESS™ JITTER ATTENUATOR

IDT™ / ICS™ PCI EXPRESS™ JITTER ATTENUATOR

7

ICS8741004AG REV. AAUGUST 3, 2007

Parameter Measurement Information

3.3V HCSL Output Load AC Test Circuit

Differential Input Level

Cycle-to-Cycle Jitter

3.3V LVDS Output Load AC Test Circuit

Bank Skew

Output Duty Cycle/Pulse Width/Period

Ω

Measurement

Point

33

Ω

50

Ω

50

Ω

33

Ω

Measurement

Point

49.9

Ω

49.9

Ω

HCSL

GND

2pF

2pF

VDDA

VDD,

,

VDDO

CLK

CLK

VDD

GND

V

OS

Cross Points

V

OD

➤

➤

tcycle n

tcycle n+1

tjit(cc) = tcycle n – tcycle n+1

1000 Cycles

QA[0:1],

QB[0:1]

QA[0:1],

QB[0:1]

SCOPE

Qx

nQx

3.3V±5%

POWER SUPPLY

+–

Float GND

LVDS

VDDA

VDD,

VDDO

tsk(b)

QX0

QX0

QX1

QX1

Where X is either Bank A or Bank B

t

PW

t

PERIOD

t

PW

t

PERIOD

odc =

x 100%

QA[0:1],

QB[0:1]

QA[0:1],

QB[0:1]