xc3s1400an Xilinx Corp., xc3s1400an Datasheet - Page 39

• Manufacturer Part Number: xc3s1400an
• Description: Spartan-3an Fpga Family Data Sheet
• Manufacturer: Xilinx Corp.

Table 30: Recommended Number of Simultaneously
Switching Outputs per V
DS557-3 (v3.1) June 2, 2008
Product Specification
Single-Ended Standards
LVTTL
Signal Standard
(IOSTANDARD)
R
QuietIO
Slow
Fast
12
16
24
12
16
24
12
16
24
2
4
6
8
2
4
6
8
2
4
6
8
CCO
Bottom
(Banks
Top,
0,2)
20
10
10
10
40
24
20
16
12
6
6
5
4
6
5
3
3
3
2
9
9
-GND Pair
TQG144
(Banks
Package Type
Right
Left,
1,3)
20
10
10
10
40
24
20
16
12
6
6
5
4
6
5
3
3
3
2
9
9
FTG256, FGG400,
FGG484, FGG676
Bottom
(Banks
Top,
0,2)
60
41
29
22
13
11
10
80
48
36
27
16
13
12
9
6
5
3
3
3
2
(Banks
Right
Left,
1,3)
60
41
29
22
13
11
10
80
48
36
27
16
13
12
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9
6
5
3
3
3
2
Table 30: Recommended Number of Simultaneously
Switching Outputs per V
LVCMOS33
Signal Standard
(IOSTANDARD)
QuietIO
Slow
Fast
DC and Switching Characteristics
12
16
24
12
16
24
12
16
24
2
4
6
8
2
4
6
8
2
4
6
8
CCO
Bottom
(Banks
Top,
0,2)
24
14
11
10
10
36
32
24
16
16
12
-GND Pair (Continued)
9
8
–
8
5
4
4
2
–
–
TQG144
(Banks
Package Type
Right
Left,
1,3)
24
14
11
10
10
36
32
24
16
16
12
10
9
8
8
8
5
4
4
2
2
FTG256, FGG400,
FGG484, FGG676
Bottom
(Banks
Top,
0,2)
76
46
27
20
13
10
10
76
46
32
26
18
14
–
8
5
4
4
2
–
–
(Banks
Right
Left,
1,3)
76
46
27
20
13
10
10
76
46
32
26
18
14
10
9
8
5
4
4
2
2
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