a3p250l Actel Corporation, a3p250l Datasheet - Page 37

• Manufacturer Part Number: a3p250l
• Description: Proasic3l Low-power Flash Fpgas With Flash*freeze Technology
• Manufacturer: Actel Corporation

Table 2-27 • Summary of I/O Timing Characteristics—Software Default Settings
Standard
3.3 V LVTTL /
3.3 V LVCMOS
2.5 V LVCMOS
1.8 V LVCMOS
1.5 V LVCMOS
1.2 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)
LVDS
LVPECL
Notes:
1. For specific junction temperature and voltage supply levels, refer to
2. Resistance is used to measure I/O propagation delays as defined in PCI specifications. See
values.
page 2-60
–1 Speed Grade, Commercial-Case Conditions: T
Pro I/O Banks
for connectivity. This resistor is not required during normal operation.
12 mA
12 mA High
12 mA High
12 mA High
25 mA High 10 25 0.66 1.59 0.04 1.80
25 mA High 10 25 0.66 1.63 0.04 1.75
35 mA High 10 25 0.66 1.57 0.04 1.80
33 mA High 10 25 0.66 1.69 0.04 1.75
15 mA High 20 50 0.66 2.32 0.04 2.12
15 mA High 30 25 0.66 1.63 0.04 1.61
18 mA High 30 50 0.66 1.66 0.04 1.61
14 mA High 30 25 0.66 1.77 0.04 1.54
21 mA High 30 50 0.66 1.58 0.04 1.54
24 mA High
24 mA High
2 mA
PCI-X
spec.
spec.
8 mA
PCI
Per
Per
High
High
High 10
High 10 25 0.66 2.15 0.04 2.10 2.84 0.43 2.19 1.53 2.51 2.77 3.90 3.24 ns
High 20 25 0.66 2.43 0.04 2.12
5
5
5
5
5
-
-
– 0.66 1.89 0.04 1.34 1.85 0.43 1.93 1.42 2.51 2.77 3.64 3.13 ns
– 0.66 1.92 0.04 1.58 1.97 0.43 1.96 1.59 2.58 2.68 3.67 3.30 ns
– 0.66 2.14 0.04 1.53 2.17 0.43 2.18 1.76 2.86 3.24 3.89 3.47 ns
– 0.66 2.46 0.04 1.69 2.36 0.43 2.51 2.04 3.03 3.35 4.22 3.75 ns
– 0.66 4.12 0.04 2.02 2.99 0.43 3.83 3.37 4.06 3.84 5.48 5.02 ns
– 0.66 2.15 0.04 2.10 2.84 0.43 2.19 1.53 2.51 2.77 3.90 3.24 ns
-
-
0.66 1.43 0.04 1.85
0.66 1.37 0.04 1.67
A dv a n c e v 0. 4
J
= 70°C, Worst Case V
–
–
–
–
–
–
–
–
–
–
–
–
0.43 1.56 1.59
0.43 1.66 1.63
0.43 1.60 1.57
0.43 1.72 1.61
0.43 2.48 2.41
0.43 2.36 2.08
0.43 1.66 1.41
0.43 1.69 1.36
0.43 1.80 1.41
0.43 1.61 1.28
–
–
ProASIC3L DC and Switching Characteristics
Table 2-6 on page 2-7
–
–
–
–
CC
= 1.14 V, Worst Case V
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Figure 2-12 on
3.27 3.30 ns
3.37 3.34 ns
3.31 3.29 ns
3.43 3.32 ns
4.19 4.12 ns
4.07 3.79 ns
1.69 1.36 ns
1.61 1.28 ns
1.66 1.41 ns
1.80 1.41 ns
–
–
for derating
–
–
2 - 25
CCI
ns
ns