ICS871004I-04 Datasheet, PDF (7/15 Pages) Integrated Device Technology – DIFFERENTIAL-TO-0.7V DIFFERENTIAL PCI EXPRESS™ JITTER ATTENUATOR

ICS871004I-04
DIFFERENTIAL-TO-0.7V DIFFERENTIAL PCI EXPRESS™ JITTER ATTENUATOR
PARAMETER MEASUREMENT INFORMATION
PRELIMINARY
V
DD
V_DDA
HSCL
GND
475Ω
33Ω
33Ω
100Ω
Measurement
Point
49.9Ω
100Ω
2pF
Measurement
Point
49.9Ω
2pF
V_DD
nCLK
V
PP
CLK
GND
Cross Points
3.3V HCSL OUTPUT LOAD AC TEST CIRCUIT - TBD
DIFFERENTIAL INPUT LEVEL
V
CMR
nQ0:nQ3
Q0:Q3
tcycle n
➤
tcycle n+1
➤
t jit(cc) = tcycle n –tcycle n+1
1000 Cycles
CYCLE-TO-CYCLE JITTER
DIFFERENTIAL MEASUREMENT POINTS FOR DUTY CYCLE/PERIOD
SE MEASUREMENT POINTS FOR RISE/FALL TIME MATCHING
IDT^™ / ICS^™ 0.7V DIFFERENTIAL JITTER ATTUNUATOR
7
ICS871004AGI-04 REV A JANUARY 17, 2008