XC3S400-4PQG208I Xilinx Inc, XC3S400-4PQG208I Datasheet - Page 73

• Manufacturer Part Number: XC3S400-4PQG208I
• Description: SPARTAN-3A FPGA 400K STD 208PQFP
• Manufacturer: Xilinx Inc
• Series: Spartan™-3r

Specifications of XC3S400-4PQG208I

• Number Of Logic Elements/cells: 8064
• Number Of Labs/clbs: 896
• Total Ram Bits: 294912
• Number Of I /o: 141
• Number Of Gates: 400000
• Voltage - Supply: 1.14 V ~ 1.26 V
• Mounting Type: Surface Mount
• Operating Temperature: -40°C ~ 100°C
• Package / Case: 208-BFQFP
• Package: 208PQFP
• Family Name: Spartan®-3
• Device Logic Units: 8064
• Device System Gates: 400000
• Maximum Internal Frequency: 630 MHz
• Typical Operating Supply Voltage: 1.2 V
• Maximum Number Of User I/os: 141
• Ram Bits: 294912
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 45: Timing for the IOB Three-State Path
DS099-3 (v2.5) December 4, 2009
Product Specification
98
Notes:
1.
2.
3.
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
For minimums, use the values reported by the Xilinx timing analyzer.
(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
34.
Description
Spartan-3 FPGA Family: DC and Switching Characteristics
www.xilinx.com
LVCMOS25, 12mA
output drive, Fast slew
rate
LVCMOS25, 12mA
output drive, Fast slew
rate
LVCMOS25, 12mA
output drive, Fast slew
rate
Conditions
Table 47
Table
and are based on the operating conditions set
XC3S200
XC3S400
XC3S50
XC3S1000
XC3S1500
XC3S2000
XC3S4000
XC3S5000
XC3S200
XC3S400
XC3S50
XC3S1000
XC3S1500
XC3S2000
XC3S4000
XC3S5000
46.
Device
All
All
All
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