FPGA & adaptive SoC databook · online editionRev. 2026.10

XC7S50

AMDSpartan-7

The XC7S50 is a Spartan-7 FPGA from AMD, built on a 28 nm process. It provides 32,600 LUT6 look-up tables (52,160 logic cells), 65,200 flip-flops, 2.6 Mb of block RAM and 120 DSP slices. It offers up to 250 user I/O pins. It is available in 3 packages, from the CSGA324 (15 × 15 mm) to the FGGA484 (23 × 23 mm). Temperature grades: commercial, industrial, expanded. Designs are built with AMD Vivado.

52.2KLUT4-equivalent
32.6KLUTs (LUT6)
120DSP slices
2.6 MbBlock RAM
250Max. user I/O
—Transceivers

Specifications

VendorAMD
FamilySpartan-7
Series7 Series
Process28 nm
Configuration memorySRAM
LUT4-equivalent capacity52,160
Look-up tables (LUT6)32,600
Logic cells52,160
Flip-flops65,200
Distributed RAM600 Kb
Block RAM2.6 Mb (75 × 36 Kb)
DSP (DSP slice)120
Clock management tiles5
Max. user I/O250
Differential pairs120
TransceiversNone
PCI ExpressNone
Analog / monitorXADC
Design toolAMD Vivado

Packages

PackageSize (mm)Pitch (mm)User I/OTransceivers
CSGA32415 × 150.8210—
FTGB19615 × 151.0100—
FGGA48423 × 231.0250—

Package names are shown as in the selection guide; the full ordering code adds speed grade and temperature (see the data sheet).

Speed and temperature grades

Temperature gradeJunction rangeSpeed grades
Commercial (C)0 to 85 °C-1, -2
Industrial (I)−40 to 100 °C-1, -2, -1L
Expanded (Q)−40 to 125 °C-1

Alternatives to the XC7S50

Closest matches in other families and vendors by logic, DSP, memory, I/O and transceivers. Check pin compatibility and tools before migrating.

DeviceLUT4-eq.Vendor logicDSPBlock RAMMax I/OTransceiversPCIe
T55Efinix Trion≈54.2K 54.2K LEs54.2K LE1502.7 Mb278——
GW5A-60Gowin Arora V59.9K 59.9K LUT4—1182.1 Mb320——
Tz50Efinix Topaz55.8K 55.8K LUT452.2K LE1402.4 Mb169——
10CL055Altera Cyclone 10 LP55K 55K LUT455K LE1562.3 Mb321——
EP4CE55Altera Cyclone IV56K 56K LUT456K LE1542.3 Mb374——
Ti60Efinix Titanium60.8K 60.8K LUT462K LE1602.6 Mb169——

Compare side by side: XC7S50 vs T55, XC7S50 vs GW5A-60, XC7S50 vs Tz50, XC7S50 vs Ti60.

XC7S50 quick facts

How many LUTs does the XC7S50 have?

The XC7S50 has 32,600 LUT6 look-up tables, about 52,160 LUT4 equivalents (52,160 logic cells as published by AMD).

How many DSP blocks does the XC7S50 have?

The XC7S50 has 120 DSP slices and 2.6 Mb of block RAM.

Does the XC7S50 have transceivers?

No, the XC7S50 has no multi-gigabit transceivers. Its user I/O supports up to 250 pins.

What are the alternatives to the XC7S50?

Devices of similar size in other families include T55 (Efinix Trion), GW5A-60 (Gowin Arora V), Tz50 (Efinix Topaz).

Which software is used to design with the XC7S50?

Designs for the XC7S50 are built with AMD Vivado.

Other Spartan-7 devices

DeviceLUT4-eq.Vendor logicDSPBlock RAMMax I/OTransceiversPCIe
XC7S66K 3.8K LUT66K LC100.2 Mb100——
XC7S1512.8K 8K LUT612.8K LC200.4 Mb100——
XC7S2523.4K 14.6K LUT623.4K LC801.6 Mb150——
XC7S5052.2K 32.6K LUT652.2K LC1202.6 Mb250——
XC7S7576.8K 48K LUT676.8K LC1403.2 Mb400——
XC7S100102K 64K LUT6102K LC1604.2 Mb400——

Source: AMD 7 Series FPGAs Product Selection Guide, XMP101 (v1.8). Data is extracted automatically from the vendor's selection guide; verify critical values in the device data sheet.