AV-51002
2017.02.10
2-50
Soft CDR Mode High-Speed I/O Specifications
Standard
Training Pattern
Number of Data Transitions Number of Repetitions per
in One Repetition of the
Training Pattern
Maximum
256 Data Transitions (201)
00001111
10010000
10101010
01010101
2
4
8
8
128
64
640 data transitions
640 data transitions
640 data transitions
640 data transitions
Parallel Rapid I/O
Miscellaneous
32
32
Soft CDR Mode High-Speed I/O Specifications
Table 2-44: High-Speed I/O Specifications for Arria V GZ Devices
When J = 3 to 10, use the serializer/deserializer (SERDES) block.
When J = 1 or 2, bypass the SERDES block.
C3, I3L
Typ
C4, I4
Symbol
Conditions
Unit
Max
Min
Max
Min
Typ
Sof-CDR ppm tolerance
—
—
—
300
—
—
300
ppm
(201)
is is the number of repetitions for the stated training pattern to achieve the 256 data transitions.
Arria V GZ Device Datasheet
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