DS705 XILINX [Xilinx, Inc], DS705 Datasheet - Page 24

• Manufacturer Part Number: DS705
• Description: XA Spartan-3A DSP Automotive FPGA Family Data Sheet
• Manufacturer: XILINX [Xilinx, Inc]

Output Timing Adjustments
Table 26:
DS705 (v1.1) January 20, 2009
Product Specification
Single-Ended Standards
LVTTL
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
Slow
Fast
12 mA
16 mA
24 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
Speed Grade
Adjustment
Add the
Below
27.67
27.67
27.67
16.71
16.67
16.22
12.11
5.58
3.44
3.44
2.26
1.66
1.29
2.97
3.37
2.26
2.26
0.62
0.61
0.59
0.60
-4
Units
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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XA Spartan-3A DSP Automotive FPGA Family Data Sheet
Table 26:
LVCMOS33
LVCMOS25 with 12mA Drive and
Signal Standard (IOSTANDARD)
Fast Slew Rate to the Following
Convert Output Time from
Output Timing Adjustments for IOB
QuietIO
Slow
Fast
12 mA
16 mA
24 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
Speed Grade
Adjustment
Add the
Below
27.67
27.67
27.67
16.71
16.29
16.18
12.11
5.58
3.30
3.30
2.26
1.29
1.21
2.79
3.72
2.04
2.08
0.53
0.59
0.59
0.51
-4
(Cont’d)
Units
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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