SLG47920
RenesasForgeFPGAThe SLG47920 is a ForgeFPGA FPGA from Renesas. It provides 2,240 LUT5 look-up tables, 2,240 flip-flops, 0.1 Mb of block RAM, with no hard multipliers. It offers up to 32 user I/O pins. It comes in a single package, the LQFN-40 (5 × 5 mm). Temperature grades: industrial. Designs are built with Renesas Go Configure Software Hub.
Specifications
| Vendor | Renesas |
|---|---|
| Family | ForgeFPGA |
| Series | ForgeFPGA |
| Configuration memory | Non-volatile (OTP) or SPI flash |
| Look-up tables (LUT5) | 2,240 |
| Logic block | 5-input look-up table |
| LUT4 equivalent (approx.) | ≈2,912 |
| Flip-flops | 2,240 |
| Distributed RAM | 10 Kb |
| Block RAM | 0.1 Mb |
| DSP (DSP block) | None |
| Clock management tiles | 2 |
| Max. user I/O | 32 |
|---|---|
| Transceivers | None |
| PCI Express | None |
| Analog / monitor | None |
| Design tool | Renesas Go Configure Software Hub |
Packages
| Package | Size (mm) | Pitch (mm) | User I/O | Transceivers |
|---|---|---|---|---|
| LQFN-40 | 5 × 5 | 0.4 | 32 | — |
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 |
|---|---|---|
| Industrial (I) | −40 to 100 °C | — |
Alternatives to the SLG47920
Closest matches in other families and vendors by logic, DSP, memory, I/O and transceivers. Check pin compatibility and tools before migrating.
| Device | LUTs | Vendor logic | DSP | Block RAM | Max I/O | Transceivers | PCIe | CoreScore |
|---|---|---|---|---|---|---|---|---|
| iCE40LM4KLattice iCE40 LP/HX/LM | 3,520 LUT4 | 3.5K LC | — | 0.1 Mb | 39 | — | — | — |
| iCE40LM2KLattice iCE40 LP/HX/LM | 2,048 LUT4 | 2K LC | — | 0.1 Mb | 39 | — | — | — |
| iCE40HX4KLattice iCE40 LP/HX/LM | 3,520 LUT4 | 3.5K LC | — | 0.1 Mb | 109 | — | — | — |
| GW1N-2Gowin LittleBee | 2,304 LUT4 | — | — | 0.1 Mb | 125 | — | — | — |
| GW1NZ-2Gowin LittleBee | 2,304 LUT4 | — | — | 0.1 Mb | 125 | — | — | — |
| GW1NR-2Gowin LittleBee | 2,304 LUT4 | — | — | 0.1 Mb | 126 | — | — | — |
Compare side by side: SLG47920 vs iCE40LM4K, SLG47920 vs iCE40LM2K, SLG47920 vs iCE40HX4K.
Compare the SLG47920 with up to three other FPGAs.
SLG47920 quick facts
How many LUTs does the SLG47920 have?
The SLG47920 has 2,240 LUT5 look-up tables. Logic block: 5-input look-up table.
How many DSP blocks does the SLG47920 have?
The SLG47920 has no DSP blocks and 0.1 Mb of block RAM.
Does the SLG47920 have transceivers?
No, the SLG47920 has no multi-gigabit transceivers. Its user I/O supports up to 32 pins.
What are the alternatives to the SLG47920?
Devices of similar size in other families include iCE40LM4K (Lattice iCE40 LP/HX/LM), iCE40LM2K (Lattice iCE40 LP/HX/LM), iCE40HX4K (Lattice iCE40 LP/HX/LM).
Which software is used to design with the SLG47920?
Designs for the SLG47920 are built with Renesas Go Configure Software Hub.
Other ForgeFPGA devices
| Device | LUTs | Vendor logic | DSP | Block RAM | Max I/O | Transceivers | PCIe | CoreScore |
|---|---|---|---|---|---|---|---|---|
| SLG47910 | 1,120 LUT5 | — | — | 0 Mb | 19 | — | — | — |
| SLG47920 | 2,240 LUT5 | — | — | 0.1 Mb | 32 | — | — | — |
Source: Renesas SLG47910 / SLG47920 product pages, retrieved 2026-10-26. Data is extracted automatically from the vendor's selection guide; verify critical values in the device data sheet.