PROASIC3E Datasheet, PDF (5/37 Pages) Actel Corporation – I/O Structures in IGLOOe and ProASIC3E Devices

I/O Structures in IGLOOe and Pro ASIC3E Devices
Table 3 • V_CCI Voltages and Compatible IGLOOe and ProASIC3E Standards
V_CCI and VMV (typical)
Compatible Standards
3.3 V
LVTTL/LVCMOS 3.3, PCI 3.3, SSTL3 (Class I and II), GTL+ 3.3, GTL 3.3, LVPECL
2.5 V
LVCMOS 2.5, LVCMOS 2.5/5.0, SSTL2 (Class I and II), GTL+ 2.5, GTL 2.5, LVDS, DDR
LVDS, B-LVDS, and M-LVDS
1.8 V
LVCMOS 1.8
1.5 V
LVCMOS 1.5, HSTL (Class I and II)
Table 4 • V_REF Voltages and Compatible IGLOOe and ProASIC3E Standards
V_REF (typical)
Compatible Standards
1.5 V
SSTL3 (Class I and II)
1.25 V
SSTL2 (Class I and II)
1.0 V
GTL+ 2.5, GTL+ 3.3
0.8 V
GTL 2.5, GTL 3.3
0.75 V
HSTL (Class I and II)
Table 5 • Legal IGLOOe and ProASIC3E I/O Usage Matrix within the Same Bank
3.3 V
–
0.80 V
1.00 V
1.50 V
2.5 V
–
0.80 V
1.00 V
1.25 V
1.8 V
–
1.5 V
–
0.75 V
Note: White box: Allowable I/O standard combination
Gray box: Illegal I/O standard combination
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