Is there a direct replacement for the XA3S400A-4FGG400I?

No. The manufacturer's discontinuation notice states there is no direct replacement for the XA3S400A-4FGG400I. Either the remaining supply is used, or the board is revised around a current device.

What package is the XA3S400A-4FGG400I?

The XA3S400A-4FGG400I comes in the FGG400 package.

Which versions of the XA3S400A come in industrial temperature?

The XA3S400A-4FGG400I is itself an industrial-temperature part. One other XA3S400A part is industrial temperature. A different speed grade or package is not a drop-in replacement, so check it against your design. XA3S400A-4FTG256I

XA3S400A-4FGG400I

Name: XA3S400A-4FGG400I AMD Xilinx FPGA
Brand: AMD Xilinx
SKU: XA3S400A-4FGG400I

AMD Xilinx Spartan-3 FPGA

8K logic cells Industrial

AvailableNotice: XCN23009

The XA3S400A-4FGG400I is an AMD Xilinx Spartan-3 FPGA based on the XA3S400A device, with 8,064 logic cells and 360 Kb of block RAM. It comes in the FGG400 package, speed grade 4, industrial temperature.

Logic cells: 8,064
Block RAM: 360 Kb
Speed grade: 4
Temperature: Industrial

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Part details

Manufacturer: AMD Xilinx
Part number: XA3S400A-4FGG400I
Base device: XA3S400A
Family: Spartan-3
Package: FGG400
Speed grade: 4
Temperature grade: Industrial
Manufacturer notice: XCN23009
ECCN: 3A991.d
HTS code: 8542310060
RoHS: Compliant

Device specifications

Logic cells: 8,064
Block RAM: 360 Kb

Part number breakdown

Segment	Field	Meaning
XA3S400A	Base Device	Spartan-3 device XA3S400A
4	Speed Grade	Speed grade 4
FGG400	Package	400-pin BGA (fine-pitch ball grid array, Pb-free)
I	Temperature Grade	Industrial

Documentation

XA3S400A-4FTG256I datasheetAMD Xilinx document

Alternatives and other versions

Part number	How it compares	Package	Speed	Temperature
XA3S400A-4FGG400Q	Same device, automotive temperature	FGG400	-4	Automotive
XA3S400A-4FTG256I	Same device, different package	FTG256	-4	Industrial
XA3S400A-4FTG256Q	Same device, different package	FTG256	-4	Automotive

Ranked from manufacturer datasheets and pinout files. Customer approval still recommended.

Frequently asked questions

Is there a direct replacement for the XA3S400A-4FGG400I?: No. The manufacturer's discontinuation notice states there is no direct replacement for the XA3S400A-4FGG400I. Either the remaining supply is used, or the board is revised around a current device.
What package is the XA3S400A-4FGG400I?: The XA3S400A-4FGG400I comes in the FGG400 package.
Which versions of the XA3S400A come in industrial temperature?: The XA3S400A-4FGG400I is itself an industrial-temperature part. One other XA3S400A part is industrial temperature. A different speed grade or package is not a drop-in replacement, so check it against your design.XA3S400A-4FTG256I

XA3S400A discontinued?

We still source this part. If the design is being revised, the replacement page lists current AMD Xilinx devices of similar capacity.

XA3S400A replacement options

Guides and comparisons

GuideHow to read a Xilinx part numberEvery field of the ordering code, with worked examples.

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