xa3s100e Xilinx Corp., xa3s100e Datasheet - Page 17

• Manufacturer Part Number: xa3s100e
• Description: Xa Spartan-3e Automotive Fpga Family Data Sheet
• Manufacturer: Xilinx Corp.

Table 18: Input Timing Adjustments by IOSTANDARD
DS635 (v1.1) January 20, 2009
Product Specification
Single-Ended Standards
LVTTL
LVCMOS33
LVCMOS25
LVCMOS18
LVCMOS15
LVCMOS12
PCI33_3
PCIX
HSTL_I_18
HSTL_III_18
SSTL18_I
SSTL2_I
LVCMOS25 to the Following
Convert Input Time from
Signal Standard
(IOSTANDARD)
R
-4 Speed Grade
Adjustment
Add the
Below
0.43
0.43
0.98
0.63
0.27
0.42
0.22
0.12
0.17
0.30
0.15
0
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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Table 18: Input Timing Adjustments by IOSTANDARD
Notes:
1.
2.
Differential Standards
LVDS_25
BLVDS_25
MINI_LVDS_25
LVPECL_25
RSDS_25
DIFF_HSTL_I_18
DIFF_HSTL_III_18
DIFF_SSTL18_I
DIFF_SSTL2_I
LVCMOS25 to the Following
Convert Input Time from
The numbers in this table are tested using the methodology
presented in
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.
Signal Standard
(IOSTANDARD)
Table
Table 20
6,
Table
and are based on the operating conditions
9, and
Table
-4 Speed Grade
Adjustment
Add the
Below
11.
0.49
0.39
0.49
0.27
0.49
0.49
0.49
0.30
0.32
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
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