ep1s25 Altera Corporation, ep1s25 Datasheet - Page 261

• Manufacturer Part Number: ep1s25
• Description: Stratix Device Family Data Sheet
• Manufacturer: Altera Corporation

Notes to
(1)
(2)
t
t
DUTY
LOCK
Table 4–125. High-Speed I/O Specifications for Flip-Chip Packages (Part 4 of 4)
Symbol
When J = 4, 7, 8, and 10, the SERDES block is used.
When J = 2 or J = 1, the SERDES is bypassed.
Table
4–125:
LVDS (J = 2
through 10)
LVDS (J =1)
and LVPECL,
PCML,
HyperTransport
technology
All
Conditions
47.5
Min
45
-5 Speed Grade
Typ
50
50
Max
52.5
100
55
47.5
Min
45
-6 Speed Grade
Typ
50
50
Max
52.5
100
55
Notes
47.5
Min
45
(1),
-7 Speed Grade
(2)
Typ
50
50
Max
52.5
100
55
47.5
Min
45
-8 Speed Grade
Typ
50
50
Max
52.5
100
55
Unit
μs
%
%