xa3sd3400a Xilinx Corp., xa3sd3400a Datasheet - Page 18

• Manufacturer Part Number: xa3sd3400a
• Description: Xa Spartan-3a Dsp Automotive Fpga Family Data Sheet
• Manufacturer: Xilinx Corp.

Input Setup and Hold Times
Table 20: Setup and Hold Times for the IOB Input Path
DS705 (v1.1) January 20, 2009
Product Specification
Setup Times
T
T
Hold Times
T
Symbol
IOPICK
IOPICKD
IOICKP
Time from the setup of data at the Input pin to
the active transition at the ICLK input of the
Input Flip-Flop (IFF). No Input Delay is
programmed.
Time from the setup of data at the Input pin to
the active transition at the ICLK input of the
Input Flip-Flop (IFF). The Input Delay is
programmed.
Time from the active transition at the ICLK input
of the Input Flip-Flop (IFF) to the point where
data must be held at the Input pin. No Input
Delay is programmed.
R
Description
www.xilinx.com
LVCMOS25
LVCMOS25
LVCMOS25
Conditions
XA Spartan-3A DSP Automotive FPGA Family Data Sheet
(2)
(2)
(2)
IFD_DELAY_
VALUE
0
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
0
XA3SD1800A
XA3SD3400A
XA3SD1800A
XA3SD3400A
XA3SD1800A
XA3SD3400A
Device
Speed Grade
-0.52
-0.56
1.88
2.24
2.83
3.64
4.20
4.16
5.09
6.02
6.63
3.02
3.81
4.39
4.26
5.08
5.95
6.55
1.81
2.44
Min
-4
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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