U1AFS250-2FGG256YI
| Model | U1AFS250-2FGG256YI |
| Description | FPGA |
| PDF file | Total 334 pages (File size: 18M) |
| Chip Manufacturer | MICROSEMI |
Fusion Family of Mixed Signal FPGAs
Overview of I/O Performance
Summary of I/O DC Input and Output Levels – Default I/O Software Settings
Table 2-86 •
Summary of Maximum and Minimum DC Input and Output Levels Applicable to Commercial and
Industrial Conditions
Applicable to Pro I/Os
VIL
I/O Standard
3.3 V LVTTL /
3.3 V LVCMOS
2.5 V LVCMOS
1.8 V LVCMOS
1.5 V LVCMOS
3.3 V PCI
3.3 V PCI-X
3.3 V GTL
2.5 V GTL
3.3 V GTL+
2.5 V GTL+
HSTL (I)
HSTL (II)
SSTL2 (I)
SSTL2 (II)
SSTL3 (I)
SSTL3 (II)
Notes:
1. Currents are measured at 85°C junction temperature.
2. Output drive strength is below JEDEC specification.
3. Output slew rate can be extracted by the IBIS models.
VIH
Min.
V
2
1.7
0.65 * VCCI
0.65 * VCCI
Max.
V
3.6
3.6
3.6
3.6
VOL
Max.
V
0.4
0.7
0.45
VOH
Min.
V
2.4
1.7
VCCI – 0.45
IOL IOH
mA mA
12
12
12
12
12
12
12
Drive
Slew Min.
Strength Rate
V
12 mA
12 mA
12 mA
12 mA
High –0.3
High –0.3
High –0.3
High –0.3
Max.
V
0.8
0.7
0.35 * VCCI
0.35 * VCCI
0.25 * VCCI 0.75 * VCCI 12
Per PCI Specification
Per PCI-X Specification
20 mA
2
20 mA
2
35 mA
33 mA
8 mA
15 mA
2
15 mA
18 mA
14 mA
21 mA
High –0.3 VREF – 0.05 VREF + 0.05
High –0.3 VREF – 0.05 VREF + 0.05
High –0.3
High –0.3
High –0.3
High –0.3
High –0.3
High –0.3
High –0.3
High –0.3
VREF – 0.1
VREF – 0.1
VREF – 0.1
VREF – 0.1
VREF – 0.2
VREF – 0.2
VREF – 0.2
VREF – 0.2
VREF + 0.1
VREF + 0.1
VREF + 0.1
VREF + 0.1
VREF + 0.2
VREF + 0.2
VREF + 0.2
VREF + 0.2
3.6
3.6
3.6
3.6
3.6
3.6
3.6
3.6
3.6
3.6
0.4
0.4
0.6
0.6
0.4
0.4
0.54
0.35
0.7
0.5
–
–
–
–
VCCI – 0.4
VCCI – 0.4
VCCI – 0.62
VCCI – 0.43
VCCI – 1.1
VCCI – 0.9
20
20
35
33
8
15
15
18
14
21
20
20
35
33
8
15
15
18
14
21
Table 2-87 •
Summary of Maximum and Minimum DC Input and Output Levels Applicable to Commercial and
Industrial Conditions
Applicable to Advanced I/Os
VIL
I/O Standard
3.3 V LVTTL /
3.3 V LVCMOS
2.5 V LVCMOS
1.8 V LVCMOS
1.5 V LVCMOS
3.3 V PCI
3.3 V PCI-X
Drive
Slew
Strength Rate
12 mA
12 mA
12 mA
12 mA
High
High
High
High
Min.
V
–0.3
–0.3
–0.3
–0.3
Max.
V
0.8
0.7
VIH
Min.
V
2
1.7
Max.
V
3.6
2.7
1.9
VOL
Max.
V
0.4
0.7
0.45
VOH
Min.
V
2.4
1.7
VCCI – 0.45
IOL IOH
mA
12
12
12
12
mA
12
12
12
12
0.35 * VCCI 0.65 * VCCI
0.35 * VCCI 0.65 * VCCI 1.575 0.25 * VCCI 0.75 * VCCI
Per PCI specifications
Per PCI-X specifications
Note:
Currents are measured at 85°C junction temperature.
Revision 3
2- 167
