LFEC_05 Datasheet, PDF (41/163 Pages) Lattice Semiconductor – LatticeECP/EC Family Data Sheet

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