XC3S502 Xilinx Corp., XC3S502 Datasheet - Page 74

• Manufacturer Part Number: XC3S502
• Description: Spartan-3 Fpga Family Complete Data Sheet
• Manufacturer: Xilinx Corp.

Spartan-3 FPGA Family: DC and Switching Characteristics
Table 46: Output Timing Adjustments for IOB
74
Single-Ended Standards
GTL
GTL_DCI
GTLP
GTLP_DCI
HSLVDCI_15
HSLVDCI_18
HSLVDCI_25
HSLVDCI_33
HSTL_I
HSTL_I_DCI
HSTL_III
HSTL_III_DCI
HSTL_I_18
HSTL_I_DCI_18
HSTL_II_18
HSTL_II_DCI_18
HSTL_III_18
HSTL_III_DCI_18
LVCMOS12
LVCMOS15
LVCMOS25 with 12mA Drive
Convert Output Time from
Following Signal Standard
and Fast Slew Rate to the
(IOSTANDARD)
Slow
Slow
Fast
Fast
12 mA
12 mA
2 mA
4 mA
6 mA
2 mA
4 mA
6 mA
2 mA
4 mA
6 mA
8 mA
2 mA
4 mA
6 mA
8 mA
–0.02
-MIN
0.05
0.02
0.09
0.58
0.31
0.23
0.23
0.08
0.08
0.07
0.07
0.29
2.89
2.82
2.53
1.20
1.03
0.92
1.73
1.43
1.36
1.35
1.14
1.18
0.65
0.55
0.48
0.42
0.11
0.11
0.11
0.11
Adjustment Below
0
Speed Grade
Add the
–0.02
0.13
0.03
0.23
1.51
0.81
0.27
0.28
0.60
0.59
0.19
0.20
0.18
0.17
0.75
0.28
0.28
7.60
7.42
6.67
3.16
2.70
2.41
4.55
3.76
3.57
3.55
3.00
1.71
1.44
1.26
3.11
1.11
-5
0
–0.01
0.02
0.15
0.04
0.27
1.74
0.94
0.31
0.32
0.69
0.68
0.22
0.23
0.21
0.19
0.86
0.32
0.32
8.73
8.53
7.67
3.63
3.10
2.77
5.23
4.32
4.09
3.45
3.57
1.96
1.66
1.44
1.27
4.11
-4
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Table 46: Output Timing Adjustments for IOB (Continued)
LVDCI_15
LVDCI_DV2_15
LVCMOS18
LVDCI_18
LVDCI_DV2_18
LVCMOS25
LVDCI_25
LVDCI_DV2_25
LVCMOS25 with 12mA Drive
Convert Output Time from
Following Signal Standard
and Fast Slew Rate to the
(IOSTANDARD)
Slow
Slow
Fast
Fast
12 mA
16 mA
12 mA
16 mA
12 mA
16 mA
24 mA
12 mA
16 mA
24 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
–0.03
–0.05
-MIN
1.31
1.08
1.00
0.80
0.44
0.37
0.33
1.58
1.29
1.14
0.71
0.12
0.07
DS099-3 (v2.2) May 25, 2007
0.58
0.50
2.09
0.79
0.95
0.30
0.29
0.31
0.26
2.44
0.96
0.95
0.84
1.24
0.11
0.06
Adjustment Below
0
Speed Grade
Add the
Product Specification
–0.02
–0.04
1.51
1.32
5.49
3.45
2.84
2.62
1.15
0.96
0.87
0.81
0.67
6.43
4.15
3.38
2.99
1.87
0.32
0.19
0.16
2.11
2.07
2.50
0.79
0.76
2.53
2.50
2.22
3.27
0.27
-5
0
–0.01
–0.02
1.74
1.52
6.31
3.97
3.26
3.01
2.43
2.38
2.88
1.32
1.10
1.01
0.91
0.87
0.94
0.77
7.39
4.77
3.89
3.44
2.91
2.87
2.55
3.76
2.15
0.37
0.22
0.19
0.31
-4
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