a3p250l Actel Corporation, a3p250l Datasheet - Page 39

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

Table 2-29 • Summary of I/O Timing Characteristics—Software Default Settings
Table 2-30 • Input Capacitance
I/O 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
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
Symbol
C
C
IN
INCLK
values.
page 2-60
Input capacitance
Input capacitance on the clock pin
Detailed I/O DC Characteristics
–1 Speed Grade, Commercial-Case Conditions: T
Standard Plus I/O Banks
for connectivity. This resistor is not required during normal operation.
Per PCI-X spec. High 10 pF 25
Per PCI spec. High 10 pF 25
12 mA
12 mA
2 mA
8 mA
4 mA
Definition
High 5pF
High 5pF
High 5pF
High 5pF
High 5pF
– 0.60 1.56 0.04 0.77 0.43 1.59 1.20 2.14 2.47 3.30 2.91 ns
– 0.60 1.59 0.04 0.99 0.43 1.61 1.32 2.16 2.38 3.33 3.03 ns
– 0.60 1.59 0.04 0.99 0.43 1.61 1.32 2.16 2.38 3.33 3.03 ns
– 0.60 2.15 0.04 1.09 0.43 2.19 1.82 2.32 2.40 3.90 3.53 ns
– 0.60 3.54 0.04 1.56 0.43 2.37 2.11 3.60 3.87 4.02 3.76 ns
2
2
A dv a n c e v 0. 4
0.60 1.77 0.04 0.65 0.43 1.80 1.31 2.14 2.47 3.51 3.02 ns
0.60 1.77 0.04 0.64 0.43 1.80 1.31 2.14 2.47 3.51 3.02 ns
J
= 70°C, Worst Case V
V
V
IN
IN
= 0, f = 1.0 MHz
= 0, f = 1.0 MHz
Conditions
ProASIC3L DC and Switching Characteristics
Table 2-6 on page 2-7
CC
= 1.14 V, Worst Case V
Min.
Max.
Figure 2-12 on
8
8
for derating
CCI
Units
= 3.0 V
pF
pF
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