XC3S400-5FT256C Xilinx Inc, XC3S400-5FT256C Datasheet - Page 123

• Manufacturer Part Number: XC3S400-5FT256C
• Description: FPGA Spartan®-3 Family 400K Gates 8064 Cells 725MHz 90nm Technology 1.2V 256-Pin FTBGA
• Manufacturer: Xilinx Inc

Specifications of XC3S400-5FT256C

• Package: 256FTBGA
• Family Name: Spartan®-3
• Device Logic Units: 8064
• Device System Gates: 400000
• Maximum Internal Frequency: 725 MHz
• Typical Operating Supply Voltage: 1.2 V
• Maximum Number Of User I/os: 173
• Ram Bits: 294912

Table 85: Spartan-3 Package Thermal Characteristics
DS099-4 (v2.5) December 4, 2009
Product Specification
Notes:
1.
FG(G)1156
CP(G)132
VQ(G)100
TQ(G)144
PQ(G)208
FG(G)320
FG(G)456
FG(G)676
FG(G)900
FT(G)256
Package
The CP132, CPG132, FG1156, and FGG1156 packages are being discontinued and are not recommended for new designs. See
http://www.xilinx.com/support/documentation/spartan-3_customer_notices.htm
(1)
R
(1)
XC3S50
XC3S200
XC3S50
XC3S50
XC3S200
XC3S400
XC3S50
XC3S200
XC3S400
XC3S200
XC3S400
XC3S1000
XC3S400
XC3S1000
XC3S1500
XC3S400
XC3S1000
XC3S1500
XC3S2000
XC3S1000
XC3S1500
XC3S2000
XC3S4000
XC3S5000
XC3S2000
XC3S4000
XC3S5000
XC3S4000
XC3S5000
Device
Junction-to-
Case (θ
12.0
10.0
14.5
10.6
7.6
6.6
6.1
8.6
7.5
9.9
7.9
5.6
8.9
7.8
6.7
8.4
6.4
4.9
3.7
6.0
4.9
4.1
3.6
3.4
3.7
3.3
2.9
1.9
1.9
JC
)
Junction-to-
Board (θ
32.8
22.9
19.0
14.7
13.9
11.8
13.6
10.6
10.4
www.xilinx.com
9.8
8.3
6.5
8.8
7.9
7.0
6.3
7.0
6.4
5.9
8.9
-
-
-
-
-
-
-
-
-
JB
)
(0 LFM)
Still Air
46.2
40.5
53.0
41.0
34.5
32.8
37.4
36.2
35.4
31.7
28.4
24.8
24.4
22.3
20.3
20.8
19.3
18.3
17.7
17.9
16.8
15.6
15.0
14.7
14.3
13.6
13.1
14.7
14.5
Junction-to-Ambient (θ
Spartan-3 FPGA Family: Pinout Descriptions
at Different Air Flows
250 LFM
15.18
38.4
33.7
46.4
31.9
26.9
25.5
27.6
26.7
26.1
25.6
22.8
19.2
19.0
17.0
15.1
13.4
12.4
11.7
13.7
12.4
11.1
10.5
10.3
10.3
11.4
11.3
9.7
9.2
for the latest updates.
500 LFM
35.8
31.3
44.0
27.2
23.0
21.8
24.4
23.6
23.1
24.5
21.5
18.0
17.8
15.8
13.8
13.9
12.3
11.2
10.5
12.6
11.3
10.1
10.0
9.9
9.3
9.1
9.3
8.7
8.1
JA
)
750 LFM
34.9
30.5
42.5
25.6
21.6
20.4
22.6
21.9
21.4
24.2
21.0
17.5
17.0
15.0
13.1
13.4
11.7
10.7
10.0
12.0
10.7
9.3
8.7
8.5
8.8
8.2
7.6
9.0
8.9
°C/Watt
Units
123