ics9db108 Integrated Device Technology, ics9db108 Datasheet - Page 6

• Manufacturer Part Number: ics9db108
• Description: Eight Output Differential Buffer For Pci-express
• Manufacturer: Integrated Device Technology

0723F—12/17/07
1
2
complies with CK409/CK410 accuracy requirements
3
Electrical Characteristics - DIF 0.7V Current Mode Differential Pair
T
Guaranteed by design and characterization, not 100% tested in production.
I
All Long Term Accuracy and Clock Period specifications are guaranteed with the assumption that the input clock
A
REF
= 0 - 70°C; V
Current Source Output
Crossing Voltage (abs)
Crossing Voltage (var)
Jitter, Cycle to cycle
Absolute min period
Rise Time Variation
= V
Fall Time Variation
Average period
Long Accuracy
PARAMETER
Voltage High
Voltage Low
Max Voltage
DD
Min Voltage
Impedance
Duty Cycle
Rise Time
Integrated
Circuit
Systems, Inc.
Fall Time
/(3xR
Skew
DD
R
). For R
= 3.3 V +/-5%; C
R
= 475Ω (1%), I
Vcross(abs)
SYMBOL
d-Vcross
Tperiod
VHigh
T
t
VLow
Vuds
Vovs
jcyc-cyc
ppm
L
Zo
absmin
d-t
d-t
t
d
sk3
t
=2pF, R
t
t3
r
f
1
r
f
REF
S
Statistical measurement on single
= 2.32mA. I
=33.2Ω, R
ended signal using oscilloscope
BYPASS mode as additive jitter
Measurement on single ended
Measurement from differential
Measurement from differential
Variation of crossing over all
see Tperiod min-max values
V
signal using absolute value.
166.66MHz nominal/spread
133.33MHz nominal/spread
100.00MHz nominal/spread
V
OL
OH
166.66MHz nominal
133.33MHz nominal
100.00MHz nominal
= 0.175V, V
166.66MHz spread
133.33MHz spread
100.00MHz spread
= 0.525V V
200MHz nominal
200MHz nominal
200MHz spread
CONDITIONS
math function.
P
PLL mode,
OH
=49.9Ω, Ι
V
wavefrom
wavefrom
V
T
edges
= 6 x I
O
= 50%
= V
6
(Not recommended for new designs)
OH
OL
x
REF
REF
= 0.175V
= 0.525V
and V
= 475Ω
OH
= 0.7V @ Z
4.9985
4.9985
5.9982
5.9982
7.4978
7.4978
9.9970
9.9970
4.8735
5.8732
7.3728
9.8720
3000
-150
-300
MIN
660
250
175
175
45
O
=50Ω.
TYP
10.0030
10.0533
5.0015
5.0266
6.0018
6.0320
7.5023
5.4000
MAX
1150
850
150
550
140
700
700
125
125
55
50
50
50
0
ICS9DB108
UNITS
ppm
mV
mV
mV
mV
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ps
ps
ps
ps
ps
ps
ps
%
Ω
NOTES
1,3
1,3
1,2
1,2
1,2
1,2
1,2
1
1
1
1
1
2
2
2
2
2
2
2
2
1
1
1
1
1
1
1
1