XC3S400-4FT256C Xilinx Inc, XC3S400-4FT256C Datasheet - Page 71

• Manufacturer Part Number: XC3S400-4FT256C
• Description: SEMI CONDUCTOR
• Manufacturer: Xilinx Inc

Specifications of XC3S400-4FT256C

• Case: BGA
• Dc: 04+

Table 43: Input Timing Adjustments for IOB
DS099-3 (v2.2) May 25, 2007
Product Specification
98
Following Signal Standard
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
LVDCI_15
LVDCI_DV2_15
LVCMOS18
LVDCI_18
LVDCI_DV2_18
LVCMOS25
LVDCI_25
LVDCI_DV2_25
Convert Input Time from
LVCMOS25 to the
(IOSTANDARD)
R
Adjustment Below
0.44
0.36
0.51
0.29
0.51
0.51
0.51
0.37
0.36
0.39
0.45
0.63
0.42
0.38
0.38
0.24
0.29
0.28
0.05
0.04
Speed Grade
-5
0
Add the
0.50
0.42
0.59
0.33
0.59
0.59
0.59
0.42
0.41
0.45
0.52
0.72
0.49
0.43
0.44
0.28
0.33
0.33
0.05
0.04
-4
0
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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Spartan-3 FPGA Family: DC and Switching Characteristics
Table 43: Input Timing Adjustments for IOB (Continued)
Notes:
1.
2.
Following Signal Standard
LVCMOS33, LVDCI_33,
LVDCI_DV2_33
LVTTL
PCI33_3
PCI66_3
SSTL18_I, SSTL18_I_DCI
SSTL18_II
SSTL2_I, SSTL2_I_DCI
SSTL2_II, SSTL2_II_DCI
Differential Standards
LDT_25 (ULVDS_25)
LVDS_25, LVDS_25_DCI
BLVDS_25
LVDSEXT_25,
LVDSEXT_25_DCI
LVPECL_25
RSDS_25
DIFF_HSTL_II_18,
DIFF_HSTL_II_18_DCI
DIFF_SSTL2_II
DIFF_SSTL2_II_DCI
Convert Input Time from
The numbers in this table are tested using the methodology
presented in
conditions set forth in
These adjustments are used to convert input path times
originally specified for the LVCMOS25 standard to times that
correspond to other signal standards.
LVCMOS25 to the
(IOSTANDARD)
Table 47
Table
and are based on the operating
Adjustment Below
31,
–0.05
0.18
0.20
0.18
0.39
0.39
0.40
0.36
0.76
0.65
0.34
0.80
0.18
0.43
0.34
0.65
Speed Grade
-5
Table
Add the
34, and
–0.02
0.21
0.22
0.20
0.45
0.45
0.46
0.41
0.88
0.75
0.39
0.92
0.21
0.50
0.39
0.75
-4
Table
36.
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
71