ICS93V857
Preliminary Product Preview
Timing Requirem ents
TA = 0 - 85C; Supply Voltage AVDD, VDD = 2.5 V +/- 0.2V (unless otherwise stated)
CONDITIONS
PARAMETER
Operating clock frequency
Input clock duty cycle
SYMBOL
freqop
MIN
66
MAX
170
60
UNITS
MHz
%
dtin
40
from VDD = 3.3V to 1%
target freq.
CLK stabilization
TSTAB
100
µs
Switching Characteristics
PARAMETER
Low-to high level propagation
delay time
SYMBOL
CONDITION
MIN
TYP
3.5
MAX UNITS
ns
1
CLK_IN to any output
tPLH
High-to low level propagation
delay time
1
CLK_IN to any output
3.5
ns
tPLL
Output enable time
Output disable time
tEN
PD# to any output
PD# to any output
66MHz
100/125/133/167MHz
100/133/167MHz
3
3
ns
ns
ps
tdis
Jitter period
Tjit (per)
-75
-100
1
75
100
4
ps
Half-period jitter
Input clock slew rate
Output clock slew reate
t(jit_hper)
t(sir_I)
t(sl_o)
1
4
66MHz
100/125/133/167MHz
ps
ps
ps
Cycle to Cycle Jitter1
Tcyc-Tcyc
75
50
Phase error
t(phase error)
Tskew
-50
Output to Output Skew
Pulse skew
100
ps
Tskewp
100
50.5
51
ps
%
%
ps
66MHz to 100MHz
101MHz to 167MHz
Load = 120 /16pF
49.5
49
650
2
Duty cycle
DC
Rise Time, Fall Time
tr, tf
800
950
Ω
Notes:
1. Refers to transition on noninverting output in PLL bypass mode.
2. While the pulse skew is almost constant over frequency, the duty cycle error increases at
higher frequencies. This is due to the formula: duty cycle=twH/tc, were the cycle (tc)
decreases as the frequency goes up.
5