Altera Corporation 5–37
July 2005 Stratix Device Handbook, Volume 2
Source-Synchronous Timing Budget
f
HSDR
Device operation,
(LVDS,LVPECL, HyperTransport
technology)
J = 10 300 624 300 462 300 462 Mbps
J = 8 300 624 300 462 300 462 Mbps
J = 7 300 624 300 462 300 462 Mbps
J = 4 300 624 300 462 300 462 Mbps
J = 2 100 462 100 462 100 462 Mbps
J = 1 (LVDS and LVPECL only) 100 311 100 270 100 270 Mbps
f
HSCLK
(Clock frequency)
(PCML)
f
HSCLK
= f
HSDR
/ W
W = 4 to 30 (Serdes used) 10 77.75 MHz
W = 2 (Serdes bypass) 50 150 50 77.5 50 77.5 MHz
W = 2 (Serdes used) 150 155.5 MHz
W = 1 (Serdes bypass) 100 200 100 155 100 155 MHz
W = 1 (Serdes used) 300 311 MHz
Device operation, f
HSDR
(PCML)
J = 10 300 311 Mbps
J = 8 300 311 Mbps
J = 7 300 311 Mbps
J = 4 300 311 Mbps
J = 2 100 300 100 155 100 155 Mbps
J = 1 100 200 100 155 100 155 Mbps
TCCS All 400 400 400 ps
SW PCML (J = 4, 7, 8, 10) only 800 800 800 ps
PCML (J = 2) only 1,200 1,200 1,200 ps
PCML (J = 1) only 1,700 1,700 1,700 ps
LVDS and LVPECL (J = 1) only 550 550 550 ps
LVDS, LVPECL, HyperTransport
technology (J = 2 through 10) only
500 500 500 ps
Table 5–8. High-Speed I/O Specifications for Wire-Bond Packages (Part 2 of 3)
Symbol Conditions
-6 Speed Grade -7 Speed Grade -8 Speed Grade
Unit
Min Typ Max Min Typ Max Min Typ Max