M1AFS250-FGG256I Actel Corporation, M1AFS250-FGG256I Datasheet - Page 187

• Manufacturer Part Number: M1AFS250-FGG256I
• Description: Actel Fusion Family Of Mixed Signal Fpgas
• Manufacturer: Actel Corporation

Table 2-92 • Input Capacitance
Table 2-93 • I/O Output Buffer Maximum Resistances
Symbol
C
C
Standard
Applicable to Pro I/O Banks
3.3 V LVTTL / 3.3 V LVCMOS
2.5 V LVCMOS
1.8 V LVCMOS
1.5 V LVCMOS
3.3 V PCI/PCI-X
3.3 V GTL
2.5 V GTL
3.3 V GTL+
2.5 V GTL+
Notes:
1. These maximum values are provided for informational reasons only. Minimum output buffer resistance values depend
2. R
3. R
IN
INCLK
on V
resistances, use the corresponding IBIS models located on the Actel website:
http://www.actel.com/techdocs/models/ibis.html.
(PULL-DOWN-MAX)
(PULL-UP-MAX)
CC
, drive strength selection, temperature, and process. For board design considerations and detailed output buffer
Input capacitance
Input capacitance on the clock pin
Detailed I/O DC Characteristics
= (VCCImax – VOHspec) / I
= VOLspec / I
Definition
OLspec
Per PCI/PCI-X specification
Drive Strength
O H spec
12 mA
16 mA
24 mA
12 mA
16 mA
24 mA
12 mA
16 mA
12 mA
25 mA
25 mA
35 mA
33 mA
4 mA
8 mA
4 mA
8 mA
2 mA
4 mA
6 mA
8 mA
2 mA
4 mA
6 mA
8 mA
V
V
IN
IN
= 0, f = 1.0 MHz
= 0, f = 1.0 MHz
Conditions
1
R e v i s i o n 1
R
PULL-DOWN
(ohms)
100
100
200
100
200
100
50
25
17
50
25
20
50
50
20
20
67
33
33
25
14
12
15
Actel Fusion Family of Mixed Signal FPGAs
Min.
11
11
11
2
Max.
8
8
R
(ohms)
PULL-UP
300
150
200
100
225
224
112
112
75
50
33
50
40
22
56
56
22
22
75
37
37
75
–
–
–
–
Units
pF
pF
3
2- 171