932S421BFLF IDT [Integrated Device Technology], 932S421BFLF Datasheet - Page 11

• Manufacturer Part Number: 932S421BFLF
• Description: PCIe Gen2 and QPI Clock for Intel-Based Servers
• Manufacturer: IDT [Integrated Device Technology]

IDT
1
2
Differential Clock AC Tolerances
Clock Periods - Differential Outputs with Spread Spectrum Disabled
Clock Periods - Differential Outputs with Spread Spectrum Enabled
Guaranteed by design and characterization, not 100% tested in production.
SSC ON
SSC ON
All Long Term Accuracy specifications are guaranteed with the assumption that the crystal input is tuned to exactly 14.31818MHz.
Cycle to Cycle Jitter
ICS932S421B
PCIe Gen2 and QPI Clock for Intel-Based Servers
TM
CPU
SRC
CPU
SRC
PCIe Gen2 and QPI Clock for Intel-Based Servers
PPM tolerance
Center
Center
100.00
133.33
166.67
200.00
266.67
333.33
400.00
100.00
133.00
166.25
199.50
266.00
332.50
399.00
Freq.
Freq.
99.75
99.75
MHz
MHz
Spread
-c2c jitter
-c2c jitter
1 Clock
AbsPer
9.94900
7.44925
5.94940
4.94950
3.69962
2.94970
2.44975
9.87400
1 Clock
AbsPer
9.94906
7.44930
5.94944
4.94953
3.69965
2.94972
2.44977
9.87406
-0.50%
CPU
Min
Min
100
50
Short-Term
Short-Term
Average
Average
9.99906
7.49930
5.99944
4.99953
3.74965
2.99972
2.49977
9.99906
-0.50%
-SSC
-SSC
SRC
Min
Min
100
125
1us
1us
Long-Term
Long-Term
10.02406
10.02406
Average
Average
9.99900
7.49925
5.99940
4.99950
3.74962
2.99970
2.49975
9.99900
7.51805
6.01444
5.01203
3.75902
3.00722
2.50602
DOT96
- ppm
- ppm
0.1s
0.1s
Min
Min
100
250
0
Measurement Window
Measurement Window
Nominal
10.00000
10.00000
Nominal
10.02506
10.02506
BMC133
7.50000
6.00000
5.00000
3.75000
3.00000
2.50000
7.51880
6.01504
5.01253
3.75940
3.00752
2.50627
-0.50%
Period
Period
0 ppm
0 ppm
0.1s
0.1s
100
125
11
Long-Term
Long-Term
10.00100
10.00100
10.02607
10.02607
Average
Average
7.50075
6.00060
5.00050
3.75037
3.00030
2.50025
7.51955
6.01564
5.01303
3.75977
3.00782
2.50652
+ ppm
+ ppm
ppm
0.1s
Max
0.1s
Max
ps
%
Short-Term
Short-Term
10.05107
10.05107
Average
Average
7.53830
6.03064
5.02553
3.76915
3.01532
2.51277
+SSC
+SSC
Max
Max
1us
1us
+c2c jitter
+c2c jitter
10.05100
10.12600
10.10107
10.17607
1 Clock
AbsPer
7.55075
6.05060
5.05050
3.80037
3.05030
2.55025
1 Clock
AbsPer
7.58830
6.08064
5.07553
3.81915
3.06532
2.56277
Max
Max
Units
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
1340G—01/26/10
Notes
Notes
1,2
1,2
1,2
1,2
1,2
1,2
1,2
1,2
1,2
1,2
1,2
1,2
1,2
1,2
1,2
1,2