XC3S50A Xilinx Corp., XC3S50A Datasheet - Page 37

• Manufacturer Part Number: XC3S50A
• Description: Spartan-3a Fpga Family Data Sheet
• Manufacturer: Xilinx Corp.

Table 28: Recommended Number of Simultaneously
Switching Outputs per V
DS529-3 (v1.5) July 10, 2007
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 (V
TQ144
(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
Bottom
CCAUX
FG400, FG484,
FT256, FG320,
(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
FG676
=3.3V)
(Banks
Right
Left,
1,3)
60
41
29
22
13
11
10
80
48
36
27
16
13
12
www.xilinx.com
9
6
5
3
3
3
2
Table 28: 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 (V
9
8
–
8
5
4
4
2
–
–
TQ144
(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
Bottom
CCAUX
FG400, FG484,
FT256, FG320,
(Banks
Top,
0,2)
76
46
27
20
13
10
10
76
46
32
26
18
14
–
8
5
4
4
2
–
–
FG676
=3.3V)
(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
37