ICS8442 Datasheet, PDF (7/15 Pages) Integrated Circuit Systems – 700MHZ, CRYSTAL OSCILLATOR-TO-DIFFERENTIAL LVDS FREQUENCY SYNTHESIZER

Integrated
Circuit
Systems, Inc.
ICS8442
700MHZ, CRYSTAL OSCILLATOR-TO-DIFFERENTIAL
LVDS FREQUENCY SYNTHESIZER
PARAMETER MEASUREMENT INFORMATION
3.3V±5%
Power Supply
+ ^{Float GND} -
LVDS
SCOPE
Qx
V_DD
DC Input LVDS
nQx
out
➤
out
V_OS/∆ V_OS
3.3V OUTPUT LOAD TEST CIRCUIT
V_DD
DC Input LVDS
V_OS / ∆VOS SETUP
nFOUTx
out
FOUTx
➤
100
V_OD/∆ V_OD
nFOUTy
out
FOUTy
t sk(o)
VOD / ∆VOD SETUP
OUTPUT SKEW
nFOUT0,
nFOUT1
FOUT0,
FOUT1
tcycle n
➤
tcycle n+1
➤
t jit(cc) = tcycle n –tcycle n+1
1000 Cycles
Cycle-to-Cycle Jitter
V_OH
V_REF
1σ contains 68.26% of all measurements
V_OL
2σ contains 95.4% of all measurements
3σ contains 99.73% of all measurements
4σ contains 99.99366% of all measurements
6σ contains (100-1.973x10^-7)% of all measurements
Reference Point
(Trigger Edge)
Histogram
Mean Period
(First edge after trigger)
Period Jitter
nFOUT0, nFOUT1
FOUT0, FOUT1
odc & t_PERIOD
Pulse Width
t
PERIOD
odc = ^{t PW}
t _PERIOD
Clock
20%
Outputs
80%
t_R
OUTPUT RISE/FALL TIME
80%
t_F
V_{SW I N G}
20%
8442AY
www.icst.com/products/hiperclocks.html
7
REV. C JULY 8, 2004