7
Integrated
Circuit
Systems, Inc.
ICS9FG1901
0962E—01/02/07
Electrical Characteristics - DIF 0.7V Current Mode Differential Pair
T
A
= 0 - 70°C; V
DD
= 3.3 V +/-5%; C
L
=2pF, R
S
=33.2Ω, R
P
=49.9Ω, Ι
REF
= 475Ω
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS NOTES
Current Source Output Impedance
Zo
1
V
O
= V
x
3000
Ω
1
Voltage High VHigh 660 750 850 1,3
Voltage Low VLow -150 150 1,3
Max Volta
e Vovs 1150 1
Min Volta
e Vuds -300 1
Crossin
Volta
e
abs
Vcross
abs
250 550 mV 1
Crossin
Volta
e
var
d-Vcross Variation of crossin
over all ed
es 140 mV 1
Lon
Accurac
msee T
eriod min-max values -300 300
m1,2
400MHz nominal 2.4993 2.5008 ns 2
400MHz s
read 2.4993 2.5133 ns 2
333.33MHz nominal 2.9991 3.0009 ns 2
333.33MHz s
read 2.9991 3.016 ns 2
266.66MHz nominal 3.7489 3.7511 ns 2
266.66MHz s
read 3.7489 3.77 ns 2
200MHz nominal 4.9985 5.0015 ns 2
200MHz s
read 4.9985 5.0266 ns 2
166.66MHz nominal 5.9982 6.0018 ns 2
166.66MHz s
read 5.9982 6.0320 ns 2
133.33MHz nominal 7.4978 7.5023 ns 2
133.33MHz s
read 7.4978 7.5400 ns 2
100.00MHz nominal 9.9970 10.0030 ns 2
100.00MHz s
read 9.9970 10.0533 ns 2
400MHz nominal/s
read 2.4143 ns 1,2
333.33MHz nominal/s
read 2.9141 ns 1,2
266.66MHz nominal/s
read 3.6639 ns 1,2
200MHz nominal/s
read 4.8735 ns 1,2
166.66MHz nominal/s
read 5.8732 ns 1,2
133.33MHz nominal/s
read 7.3728 ns 1,2
100.00MHz nominal/s
read 9.8720 ns 1,2
Rise Time
t
r
V
OL
= 0.175V, V
OH
= 0.525V
175 400 700 ps 1
Fall Time
t
f
V
OH
= 0.525V V
OL
= 0.175V
175 425 700 ps 1
Rise Time Variation
d-t
r
20 125 ps 1
Fall Time Variation
d-t
f
15 125 ps 1
Duty Cycle
d
t3
Measurement from differential wavefrom 45 50.5 55 % 1
Output-to-Output Skew - DIF(0:16)
t
sk3_016
V
T
= 50%, Skew within Group of 17, 1
to 1 mode onl
75 100 ps 1
Output-to-Output Skew - DIF(0:18)
t
sk3_018
V
T
= 50%, Skew across all outputs 1 to
1 mode onl
200 225 ps 1
t
pdpll
PLL Mode -500 500 ps 1
t
pdbyp
Bypass Mode 2.5 3.6 4.5 ns 1
PLL mode,
from differential wavefrom
40 50 ps 1
Bypass mode as additive jitter 25 50 ps 1
1
Guaranteed by design and characterization, not 100% tested in production.
3
I
REF
= V
DD
/(3xR
R
). For R
R
= 475
Ω
(1%), I
REF
= 2.32mA. I
OH
= 6 x I
REF
and V
OH
= 0.7V @ Z
O
=50
Ω
.
2
All Long Term Accuracy and Clock Period specifications are guaranteed assuming that the input frequency meets CK410 accuracy requirements
T
absmin
Absolute min period
mV
Measurement on single ended signal
using absolute value.
mV
Jitter, Cycle to cycle
t
jcyc-cyc
Average period Tperiod
Input-to-Output Delay
Statistical measurement on sin
le ended
signal using oscilloscope math function.