XC3S400-4FT256C Xilinx Inc, XC3S400-4FT256C Datasheet - Page 73

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

Specifications of XC3S400-4FT256C

• Case: BGA
• Dc: 04+

Table 45: Timing for the IOB Three-State Path
DS099-3 (v2.2) May 25, 2007
Product Specification
98
Notes:
1.
2.
Synchronous Output Enable/Disable Times
T
T
Asynchronous Output Enable/Disable Times
T
Set/Reset Times
T
T
IOCKHZ
IOCKON
GTS
IOSRHZ
IOSRON
Symbol
The numbers in this table are tested using the methodology presented in
forth in
This time requires adjustment whenever a signal standard other than LVCMOS25 with 12 mA drive and Fast slew rate is assigned
to the data Output. When this is true, add the appropriate Output adjustment from
(2)
(2)
Table 31
R
Time from the active transition at
the OTCLK input of the
Three-state Flip-Flop (TFF) to
when the Output pin enters the
high-impedance state
Time from the active transition at
TFF’s OTCLK input to when the
Output pin drives valid data
Time from asserting the Global
Three State (GTS) net to when
the Output pin enters the
high-impedance state
Time from asserting TFF’s SR
input to when the Output pin
enters a high-impedance state
Time from asserting TFF’s SR
input at TFF to when the Output
pin drives valid data
and
Table
Description
34.
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LVCMOS25, 12mA
output drive, Fast
slew rate
LVCMOS25, 12mA
output drive, Fast
slew rate
LVCMOS25, 12mA
output drive, Fast
slew rate
Conditions
Spartan-3 FPGA Family: DC and Switching Characteristics
Table 47
XC3S200
XC3S400
XC3S50
XC3S1000
XC3S1500
XC3S2000
XC3S4000
XC3S5000
XC3S200
XC3S400
XC3S50
XC3S1000
XC3S1500
XC3S2000
XC3S4000
XC3S5000
Device
Table
and are based on the operating conditions set
All
All
All
46.
0.28
0.27
2.93
3.17
0.59
0.85
1.09
Min
-0
Speed Grade
Max
0.74
0.72
7.71
8.38
1.55
2.24
2.91
-5
Max
0.85
0.82
8.87
9.63
1.78
2.57
3.34
-4
Units
ns
ns
ns
ns
ns
ns
ns
73