XC7S15
AMDSpartan-7The XC7S15 is a Spartan-7 FPGA from AMD, built on a 28 nm process. It provides 8,000 LUT6 look-up tables (12,800 logic cells), 16,000 flip-flops, 0.4 Mb of block RAM and 20 DSP slices. It offers up to 100 user I/O pins. It is available in 3 packages, from the CPGA196 (8 × 8 mm) to the FTGB196 (15 × 15 mm). Temperature grades: commercial, industrial, expanded. Designs are built with AMD Vivado.
Specifications
| Vendor | AMD |
|---|---|
| Family | Spartan-7 |
| Series | 7 Series |
| Process | 28 nm |
| Configuration memory | SRAM |
| LUT4-equivalent capacity | 12,800 |
| Look-up tables (LUT6) | 8,000 |
| Logic cells | 12,800 |
| Flip-flops | 16,000 |
| Distributed RAM | 150 Kb |
| Block RAM | 0.4 Mb (10 × 36 Kb) |
| DSP (DSP slice) | 20 |
| Clock management tiles | 2 |
| Max. user I/O | 100 |
|---|---|
| Differential pairs | 48 |
| Transceivers | None |
| PCI Express | None |
| Analog / monitor | None |
| Design tool | AMD Vivado |
Packages
| Package | Size (mm) | Pitch (mm) | User I/O | Transceivers |
|---|---|---|---|---|
| CPGA196 | 8 × 8 | 0.5 | 100 | — |
| CSGA225 | 13 × 13 | 0.8 | 100 | — |
| FTGB196 | 15 × 15 | 1.0 | 100 | — |
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 grade | Junction range | Speed 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 XC7S15
Closest matches in other families and vendors by logic, DSP, memory, I/O and transceivers. Check pin compatibility and tools before migrating.
| Device | LUT4-eq. | Vendor logic | DSP | Block RAM | Max I/O | Transceivers | PCIe |
|---|---|---|---|---|---|---|---|
| 10CL010Altera Cyclone 10 LP | 10K 10K LUT4 | 10K LE | 23 | 0.4 Mb | 176 | — | — |
| EP4CE10Altera Cyclone IV | 10K 10K LUT4 | 10K LE | 23 | 0.4 Mb | 179 | — | — |
| T13Efinix Trion | ≈12.8K 12.8K LEs | 12.8K LE | 24 | 0.7 Mb | 195 | — | — |
| LFE5U-12Lattice ECP5 | 12K 12K LUT4 | — | 28 | 0.6 Mb | 197 | — | — |
| GW1N-9Gowin LittleBee | 8.6K 8.6K LUT4 | — | 20 | 0.5 Mb | 276 | — | — |
| GW1NR-9Gowin LittleBee | 8.6K 8.6K LUT4 | — | 20 | 0.5 Mb | 276 | — | — |
Compare side by side: XC7S15 vs 10CL010, XC7S15 vs EP4CE10, XC7S15 vs T13.
XC7S15 quick facts
How many LUTs does the XC7S15 have?
The XC7S15 has 8,000 LUT6 look-up tables, about 12,800 LUT4 equivalents (12,800 logic cells as published by AMD).
How many DSP blocks does the XC7S15 have?
The XC7S15 has 20 DSP slices and 0.4 Mb of block RAM.
Does the XC7S15 have transceivers?
No, the XC7S15 has no multi-gigabit transceivers. Its user I/O supports up to 100 pins.
What are the alternatives to the XC7S15?
Devices of similar size in other families include 10CL010 (Altera Cyclone 10 LP), EP4CE10 (Altera Cyclone IV), T13 (Efinix Trion).
Which software is used to design with the XC7S15?
Designs for the XC7S15 are built with AMD Vivado.
Other Spartan-7 devices
| Device | LUT4-eq. | Vendor logic | DSP | Block RAM | Max I/O | Transceivers | PCIe |
|---|---|---|---|---|---|---|---|
| XC7S6 | 6K 3.8K LUT6 | 6K LC | 10 | 0.2 Mb | 100 | — | — |
| XC7S15 | 12.8K 8K LUT6 | 12.8K LC | 20 | 0.4 Mb | 100 | — | — |
| XC7S25 | 23.4K 14.6K LUT6 | 23.4K LC | 80 | 1.6 Mb | 150 | — | — |
| XC7S50 | 52.2K 32.6K LUT6 | 52.2K LC | 120 | 2.6 Mb | 250 | — | — |
| XC7S75 | 76.8K 48K LUT6 | 76.8K LC | 140 | 3.2 Mb | 400 | — | — |
| XC7S100 | 102K 64K LUT6 | 102K LC | 160 | 4.2 Mb | 400 | — | — |
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.