Lattice Semiconductor ispXPGA Family Data Sheet
24
sysIO Recommended Operating Conditions
Standard
V
CCO
(V)
1
V
REF
(V)
Min. Typ. Max. Min. Typ. Max.
LVCMOS 3.3 3.0 3.3 3.6 - - -
LVCMOS 2.5 2.3 2.5 2.7 - - -
LVCMOS 1.8
2
1.65 1.8 1.95 - - -
LVTTL 3.0 3.3 3.6 - - -
PCI 3.3 3.0 3.3 3.6 - - -
AGP-1X 3.15 3.3 3.45 - - -
SSTL 2 2.3 2.5 2.7 1.15 1.25 1.35
SSTL 3 3.0 3.3 3.6 1.3 1.5 1.7
CTT 3.3 3.0 3.3 3.6 1.35 1.5 1.65
CTT 2.5 2.3 2.5 2.7 1.35 1.5 1.65
HSTL Class I 1.4 1.5 1.6 0.68 0.75 0.9
HSTL Class III 1.4 1.5 1.6 - 0.9 -
GTL+ - - - 0.882 1.0 1.122
LVDS 2.3 2.5 2.7 - - -
LVPECL 3.0 3.3 3.6 - - -
BLVDS 2.3 2.5 2.7 - - -
1. Inputs independent of V
CCO.
2. Design tool default setting.