DS680 Datasheet, PDF (16/36 Pages) Xilinx, Inc – Space-Grade Virtex-4QV FPGAs

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Space-Grade Virtex-4QV FPGAs: DC and Switching Characteristics
Table 23: T_IOOP and T_IOTP Offset for 125°C Operation (Cont’d)
IOSTANDARD Attribute
LVCMOS15_S8
LVCMOS15_S12
LVCMOS15_S16
LVCMOS15_F2
LVCMOS15_F4
LVCMOS15_F6
LVCMOS15_F8
LVCMOS15_F12
LVCMOS15_F16
SSTL18_I
SSTL18_II
Speed Grade
-10
I Grade V Grade Delta
4.26 6.18 1.92
3.77 4.77 1.00
3.53 4.07 0.54
4.17 8.32 4.15
3.32 6.53 3.21
2.94 4.69 1.75
2.71 3.90 1.19
2.50 2.92 0.42
2.43 2.84 0.41
2.54 2.44 -0.10
2.24 2.42 0.18
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Table 24: IOB 3-State On Output Switching Characteristics (T_IOTPHZ)
Symbol
Description
T_IOTPHZ
T input to Pad high-impedance
Ethernet MAC Switching Characteristics
Consult UG074,Virtex-4 Embedded Tri-Mode Ethernet MAC User Guide for further information.
Table 25: Maximum Ethernet MAC Performance
Description
Ethernet MAC Maximum Performance
Speed Grade
-10
1.12
Units
ns
Speed
Grade
-10
10/100/1000
Units
Mb/s
DS680 (v2.0) April 12, 2010
www.xilinx.com
Product Specification
16