XC3S400-4FT256C Xilinx Inc, XC3S400-4FT256C Datasheet - Page 69

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

Specifications of XC3S400-4FT256C

• Case: BGA
• Dc: 04+

Table 41: Setup and Hold Times for the IOB Input Path
DS099-3 (v2.2) May 25, 2007
Product Specification
98
Notes:
1.
2.
3.
Setup Times
Hold Times
Set/Reset Pulse Width
T
The numbers in this table are tested using the methodology presented in
Table 31
This setup time requires adjustment whenever a signal standard other than LVCMOS25 is assigned to the data Input. If this is true, add the
appropriate Input adjustment from
These hold times require adjustment whenever a signal standard other than LVCMOS25 is assigned to the data Input. If this is true, subtract
the appropriate Input adjustment from
edge.
T
T
Symbol
T
T
RPW_IOB
IOPICKD
IOICKPD
IOPICK
IOICKP
R
and
Table
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 IFF’s
ICLK input. The Input Delay is
programmed.
Time from the active transition at the IFF’s
ICLK input to the point where data must
be held at the Input pin. No Input Delay is
programmed.
Time from the active transition at the IFF’s
ICLK input to the point where data must
be held at the Input pin. The Input Delay
is programmed.
Minimum pulse width to SR control input
on IOB
34.
Description
Table
Table
43.
43. When the hold time is negative, it is possible to change the data before the clock’s active
www.xilinx.com
LVCMOS25
IOBDELAY = NONE
LVCMOS25
IOBDELAY = IFD
LVCMOS25
IOBDELAY = NONE
LVCMOS25
IOBDELAY = IFD
Spartan-3 FPGA Family: DC and Switching Characteristics
Conditions
(2)
(2)
(2)
(2)
Table 47
,
,
,
,
and are based on the operating conditions set forth in
XC3S50
XC3S200
XC3S400
XC3S1000
XC3S1500
XC3S2000
XC3S4000
XC3S5000
XC3S50
XC3S200
XC3S400
XC3S1000
XC3S1500
XC3S2000
XC3S4000
XC3S5000
XC3S50
XC3S200
XC3S400
XC3S1000
XC3S1500
XC3S2000
XC3S4000
XC3S5000
XC3S50
XC3S200
XC3S400
XC3S1000
XC3S1500
XC3S2000
XC3S4000
XC3S5000
Device
All
-0.55
-0.29
-0.29
-0.55
-0.55
-0.55
-0.61
-0.68
-2.74
-3.00
-2.90
-3.24
-3.55
-4.57
-4.96
-5.09
1.65
1.37
1.37
1.65
1.65
1.65
1.73
1.82
4.39
4.76
4.63
5.02
5.40
6.68
7.16
7.33
0.66
Min
-5
Speed Grade
-0.55
-0.29
-0.29
-0.55
-0.55
-0.55
-0.61
-0.68
-2.74
-3.00
-2.90
-3.24
-3.55
-4.57
-4.96
-5.09
1.89
1.57
1.57
1.89
1.89
1.89
1.99
2.09
5.04
5.47
5.32
5.76
6.20
7.68
8.24
8.42
0.76
Min
-4
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
69