XC3S50A Xilinx Corp., XC3S50A Datasheet - Page 31

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

Table 25:
DS529-3 (v1.5) July 10, 2007
Product Specification
LVCMOS25
LVCMOS18
LVCMOS25 with 12mA Drive and
Signal Standard (IOSTANDARD)
Fast Slew Rate to the Following
Convert Output Time from
Output Timing Adjustments for IOB
R
QuietIO
QuietIO
Slow
Slow
Fast
Fast
12 mA
16 mA
24 mA
12 mA
16 mA
24 mA
12 mA
16 mA
24 mA
12 mA
16 mA
12 mA
16 mA
12 mA
16 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
6 mA
8 mA
2 mA
4 mA
6 mA
8 mA
2 mA
4 mA
6 mA
8 mA
25.92
25.92
25.92
15.57
15.59
14.27
11.37
24.97
24.97
24.08
16.43
14.52
13.41
Speed Grade
5.33
2.81
2.82
1.14
1.10
0.83
2.26
4.36
1.76
1.25
0.38
0.01
0.01
4.48
3.69
2.91
1.99
1.57
1.19
3.96
2.57
1.90
1.06
0.83
0.63
Adjustment
-5
0
Add the
Below
25.92
25.92
25.92
15.57
15.59
14.27
11.37
24.97
24.97
24.08
16.43
14.52
13.41
5.33
2.81
2.82
1.14
1.10
0.83
2.26
4.36
1.76
1.25
0.38
0.01
0.01
4.48
3.69
2.91
1.99
1.57
1.19
3.96
2.57
1.90
1.06
0.83
0.63
-4
0
(Continued)
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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Table 25:
LVCMOS15
LVCMOS12
PCI33_3
PCI66_3
PCIX
HSTL_I
HSTL_III
HSTL_I_18
HSTL_II_18
HSTL_III_18
SSTL18_I
SSTL18_II
SSTL2_I
SSTL2_II
SSTL3_I
SSTL3_II
LVCMOS25 with 12mA Drive and
Signal Standard (IOSTANDARD)
Fast Slew Rate to the Following
Convert Output Time from
Output Timing Adjustments for IOB
QuietIO
QuietIO
Slow
Slow
Fast
Fast
DC and Switching Characteristics
12 mA
12 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
6 mA
2 mA
4 mA
6 mA
2 mA
4 mA
6 mA
34.11
25.66
24.64
22.06
20.64
50.76
43.17
37.31
–
Speed Grade
5.82
3.97
3.21
2.53
2.06
5.23
3.05
1.95
1.60
1.30
7.14
4.87
5.67
6.77
5.02
4.09
0.34
0.34
0.34
0.78
1.16
0.35
0.30
0.47
0.40
0.30
0.17
Adjustment
0.05
-5
0
0
Add the
Below
34.11
25.66
24.64
22.06
20.64
50.76
43.17
37.31
–
5.82
3.97
3.21
2.53
2.06
5.23
3.05
1.95
1.60
1.30
7.14
4.87
5.67
6.77
5.02
4.09
0.34
0.34
0.34
0.78
1.16
0.35
0.30
0.47
0.40
0.30
0.17
0.05
-4
0
0
(Continued)
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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