ics932s421b Integrated Device Technology, ics932s421b Datasheet - Page 7

• Manufacturer Part Number: ics932s421b
• Description: Pcie Gen 2 And Qpi Clock For Intel-based Servers
• Manufacturer: Integrated Device Technology

1340D—11/20/08
1
2
3
1
2
3
*T
*T
Electrical Characteristics - CPU 0.7V Current Mode Differential Pair
Electrical Characteristics - SRC 0.7V Current Mode Differential Pair
Guaranteed by design and characterization, not 100% tested in production.
I
Guaranteed by design and characterization, not 100% tested in production.
I
All Long Term Accuracy and Clock Period specifications are guaranteed assuming that REF is at 14.31818MHz
All Long Term Accuracy and Clock Period specifications are guaranteed assuming that REF is at 14.31818MHz
REF
REF
A
A
= 0 - 70°C; V
= 0 - 70°C; V
Crossing Voltage (abs)
Crossing Voltage (abs)
Current Source Output
Current Source Output
Crossing Voltage (var)
Crossing Voltage (var)
= V
= V
Jitter, Cycle to cycle
Jitter, Cycle to cycle
Rise Time Variation
Rise Time Variation
Fall Time Variation
Fall Time Variation
DD
DD
PARAMETER
PARAMETER
Voltage High
Voltage High
/(3xR
/(3xR
Voltage Low
Max Voltage
Voltage Low
Max Voltage
Min Voltage
Min Voltage
Impedance
Impedance
Duty Cycle
Duty Cycle
Rise Time
Rise Time
Integrated
Circuit
Systems, Inc.
Fall Time
Fall Time
Skew
Skew
R
R
DD
DD
). For R
). For R
= 3.3 V +/-5%; C
= 3.3 V +/-5%; C
R
R
= 475
= 475Ω (1%), I
(1%), I
L
L
=2pF, R
=2pF, R
SYMBOL
SYMBOL
Vx(abs)
Vx(abs)
VHigh
VLow
VHigh
VLow
Vovs
Vuds
t
d-Vx
Vovs
Vuds
t
d-Vx
tsk3
jcyc-cyc
REF
tsk3
REF
d-tr
jcyc-cyc
d-tf
dt3
d-tr
d-tf
dt3
Zo
Zo
tr
tf
tr
tf
= 2.32mA. I
= 2.32mA. I
S
S
=33.2 , R
=33.2Ω, R
Measurement on single ended
VOL = 0.175V, VOH = 0.525V
VOL = 0.175V, VOH = 0.525V
Measurement from differential
Measurement from differential
Measurement on single ended
VOH = 0.525V VOL = 0.175V
VOH = 0.525V VOL = 0.175V
Measurement from differential
Measurement from differential
Variation of crossing over all
Variation of crossing over all
signal using absolute value.
V
V
V
V
Statistical measurement on
signal using absolute value.
Statistical measurement on
P
OH
OL
OL
OL
OL
OH
P
across all CPU outputs,
=49.9
=49.9Ω
= 6 x I
single ended signal
= 0.175V, V
= 0.175V, V
= 0.175V, V
= 0.175V, V
= 6 x I
single ended signal
CONDITIONS*
CONDITIONS*
VT = 50%
waveform
waveform
VT = 50%
REF
waveform
waveform
REF
VO = Vx
VO = Vx
REF
REF
edges
edges
and V
and V
OH
OH
OH
OH
OH
OH
Ω
= 0.7V @ Z
= 0.525V
= 0.525V
= 0.525V
= 0.525V
= 0.7V @ Z
7
O
O
=50 .
=50Ω.
3000
-150
-300
MIN
660
250
175
175
3000
-150
-300
MIN
45
660
250
175
175
45
TYP
TYP
1150
MAX
850
150
550
140
525
525
125
125
250
125
1150
MAX
55
850
150
550
140
525
525
125
125
55
50
50
ICS932S421B
UNITS
UNITS NOTES
mV
mV
mV
mV
mV
mV
ps
ps
ps
ps
ps
ps
mV
mV
mV
mV
mV
mV
%
ps
ps
ps
ps
ps
ps
%
Ω
Notes
1,3
1,3
1,3
1,3
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1