SmartFusion Customizable System-on-Chip (cSoC)
Revision 10 2-23
Overview of I/O Performance
Summary of I/O DC Input and Output Levels – Default I/O Software
Settings
Table 2-19 • Summary of Maximum and Minimum DC Input and Output Levels Applicable to Commercial
Conditions—Software Default Settings
Applicable to FPGA I/O Banks
I/O Standard
Drive
Strgth.
Slew
Rate
VIL VIH VOL VOH I
OL
1
I
OH
1
Min.
V
Max.
V
Min.
V
Max.
V
Max.
V
Min.
VmAmA
3.3VLVTTL/
3.3 V LVCMOS
12 mA High –0.3 0.8 2 3.6 0.4 2.4 12 12
2.5 V LVCMOS 12 mA High –0.3 0.7 1.7 3.6 0.7 1.7 12 12
1.8 V LVCMOS 12 mA High –0.3 0.35 *
VCCxxxxIOBx
0.65*
VCCxxxxIOBx
3.6 0.45 VCCxxxxIOBx
– 0.45
12 12
1.5 V LVCMOS 12 mA High –0.3 0.35 *
VCCxxxxIOBx
0.65*
VCCxxxxIOBx
3.6 0.25 *
VCCxxxxIOBx
0.75*
VCCxxxxIOBx
12 12
3.3 V PCI Per PCI specifications
3.3 V PCI-X Per PCI-X specifications
Notes:
1. Currents are measured at 85°C junction temperature.
2. Output slew rate can be extracted by the IBIS Models.
Table 2-20 • Summary of Maximum and Minimum DC Input and Output Levels Applicable to Commercial
Conditions—Software Default Settings
Applicable to MSS I/O Banks
I/O Standard
Drive
Strgth.
Slew
Rate
VIL VIH VOL VOH I
OL
1
I
OH
1
Min.
V
Max.
V
Min.
V
Max.
V
Max.
V
Min.
VmAmA
3.3VLVTTL/
3.3 V LVCMOS
8 mA High –0.3 0.8 2 3.6 0.4 2.4 8 8
2.5 V LVCMOS 8 mA High –0.3 0.7 1.7 3.6 0.7 1.7 8 8
1.8 V LVCMOS 4 mA High –0.3 0.35*
VCCxxxxIOBx
0.65*
VCCxxxxIOBx
3.6 0.45 VCCxxxxIOBx
– 0.45
44
1.5 V LVCMOS 2 mA High –0.3 0.35*
VCCxxxxIOBx
0.65*
VCCxxxxIOBx
3.6 0.25*
VCCxxxxIOBx
0.75*
VCCxxxxIOBx
22
Notes:
1. Currents are measured at 85°C junction temperature.
2. Output slew rate can be extracted by the IBIS Models.