a3p250l Actel Corporation, a3p250l Datasheet - Page 42

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

ProASIC3L DC and Switching Characteristics
Table 2-33 • I/O Output Buffer Maximum Resistances
2 -3 0
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/PCI-X
Notes:
1. These maximum values are provided for informational reasons only. Minimum output buffer resistance
2. R
3. R
values depend on V
and detailed output buffer resistances, use the corresponding IBIS models located on the Actel website at
http://www.actel.com/download/ibis/default.aspx.
(PULL-DOWN-MAX)
(PULL-UP-MAX)
Applicable to Standard Plus I/O Banks
= (V
= (V
CCImax
CCI
OLspec
, drive strength selection, temperature, and process. For board design considerations
– V
) / I
OHspec
OLspec
) / I
OHs pe c
A d v a n c e v 0. 4
1
Drive Strength
Per PCI/PCI-X
specification
12 mA
16 mA
12 mA
2 mA
4 mA
6 mA
8 mA
2 mA
4 mA
6 mA
8 mA
2 mA
4 mA
6 mA
8 mA
2 mA
4 mA
2 mA
R
PULL-DOWN
(Ω)
TBD
100
100
100
100
200
100
200
100
50
50
25
25
50
50
25
50
50
25
2
R
PULL-UP
(Ω)
TBD
300
300
150
150
200
200
100
100
225
112
224
112
75
75
50
56
56
75
3