DC and Switching Characteristics
LatticeECP/EC Family Data Sheet
Lattice Semiconductor
sysI/O Recommended Operating Conditions
V
V
(V)
REF
CCIO
Standard
LVCMOS 3.3
Min.
3.135
2.375
1.71
Typ.
3.3
2.5
1.8
1.5
1.2
3.3
3.3
1.8
2.5
3.3
1.5
1.5
1.8
1.8
2.5
3.3
2.5
2.5
Max.
3.465
2.625
1.89
Min.
—
Typ.
—
Max.
—
LVCMOS 2.5
LVCMOS 1.8
LVCMOS 1.5
LVCMOS 1.2
LVTTL
—
—
—
—
—
—
1.425
1.14
1.575
1.26
—
—
—
—
—
—
3.135
3.135
1.71
3.465
3.465
1.89
—
—
—
PCI
—
—
—
SSTL18 Class I
SSTL2 Class I, II
SSTL3 Class I, II
HSTL15 Class I
HSTL15 Class III
HSTL 18 Class I, II
HSTL 18 Class III
LVDS
0.833
1.15
1.3
0.68
—
0.90
1.25
1.5
0.75
0.9
0.9
1.08
—
0.969
1.35
1.7
0.9
—
2.375
3.135
1.425
1.425
1.71
2.625
3.465
1.575
1.575
1.89
—
—
1.71
1.89
—
—
2.375
3.135
2.375
2.375
2.625
3.465
2.625
2.625
—
—
LVPECL1
BLVDS1
RSDS1
—
—
—
—
—
—
—
—
—
1. Outputs are implemented with the addition of external resistors. V
applies to outputs only.
CCIO
3-5
LATTICE [ LATTICE SEMICONDUCTOR ]
