LFE5U-45F-6BG381C
Lattice ECP5 FPGA
44K LUTs 381-ball Commercial
AvailableLifecycle: Active
The LFE5U-45F-6BG381C is a Lattice ECP5 FPGA based on the LFE5U-45F device, with 44,000 LUTs and 1,944 Kb of block RAM. It comes in the BG381 package (381-CABGA, 17 × 17 mm), speed grade 6, commercial temperature (0 °C to 85 °C, junction). It is in active production.
- LUTs
- 44,000
- Block RAM
- 1,944 Kb
- Pins
- 381
- Speed grade
- 6
- Temperature
- Commercial
Part details
- Manufacturer
- Lattice Semiconductor
- Part number
- LFE5U-45F-6BG381C
- Base device
- LFE5U-45F
- Family
- ECP5
- Package
- BG381
- Pin / ball count
- 381
- Speed grade
- 6
- Temperature grade
- Commercial
- Product status
- Active
Device specifications
- Logic cells
- 44,000
- Block RAM
- 1,944 Kb
Specifications
- Package outline
- 381-CABGA, 17 × 17 mm
- Package / case
- 381-FBGA
- Mounting
- Surface Mount
- User I/O
- 203
- LABs / CLBs
- 11,000
- Supply voltage
- 1.045 V to 1.155 V
- Operating temperature
- 0 °C to 85 °C (junction)
Part number breakdown
| Segment | Field | Meaning |
|---|---|---|
| LFE5U-45F | Base Device | ECP5 FPGA |
| 6 | Speed Grade | 6 |
| BG381 | Package | BG381 |
| C | Temperature Grade | Commercial |
Documentation
- LFE5U-45F-6BG381C datasheetLattice Semiconductor document
Alternatives and other versions
| Part number | How it compares | Package | Speed | Temperature |
|---|---|---|---|---|
| LFE5U-45F-6BG381I | Very strong alternative · 98/100Same device, package and speed grade. Industrial (−40 to +100 °C) covers commercial (0 to +85 °C) | BG381 | 6 | Industrial |
| LFE5U-45F-7BG381C | Strong SKU alternate · 91/100Faster -7 speed grade, same device and package | BG381 | 7 | Commercial |
| LFE5U-45F-7BG381I | Strong SKU alternate · 91/100Faster -7 speed grade, same device and package. Industrial (−40 to +100 °C) covers commercial (0 to +85 °C) | BG381 | 7 | Industrial |
| LFE5U-45F-8BG381C | Likely alternative · 89/100Faster -8 speed grade, same device and package | BG381 | 8 | Commercial |
| LFE5U-45F-8BG381I | Likely alternative · 89/100Faster -8 speed grade, same device and package. Industrial (−40 to +100 °C) covers commercial (0 to +85 °C) | BG381 | 8 | Industrial |
| LFE5U-85F-6BG381C | Engineering review required · 69/100Same BG381 pinout, plus 2 balls unconnected on this part's board. Different device: the design must be rebuilt | BG381 | 6 | Commercial |
| LFE5U-45F-6BG256C | Same device, different package | BG256 | 6 | Commercial |
| LFE5U-45F-6BG256I | Same device, different package | BG256 | 6 | Industrial |
| LFE5U-45F-7BG256C | Same device, different package | BG256 | 7 | Commercial |
| LFE5U-45F-7BG256I | Same device, different package | BG256 | 7 | Industrial |
| LFE5U-45F-8BG256C | Same device, different package | BG256 | 8 | Commercial |
| LFE5U-45F-8BG256I | Same device, different package | BG256 | 8 | Industrial |
| LFE5U-45F-6BG554C | Same device, different package | BG554 | 6 | Commercial |
| LFE5U-45F-6BG554I | Same device, different package | BG554 | 6 | Industrial |
| LFE5U-45F-7BG554C | Same device, different package | BG554 | 7 | Commercial |
| LFE5U-45F-7BG554I | Same device, different package | BG554 | 7 | Industrial |
| LFE5U-45F-8BG554C | Same device, different package | BG554 | 8 | Commercial |
| LFE5U-45F-8BG554I | Same device, different package | BG554 | 8 | Industrial |
| LFE5U-45F-6MG285C | Same device, different package | MG285 | 6 | Commercial |
| LFE5U-45F-6MG285I | Same device, different package | MG285 | 6 | Industrial |
| LFE5U-45F-7MG285C | Same device, different package | MG285 | 7 | Commercial |
| LFE5U-45F-7MG285I | Same device, different package | MG285 | 7 | Industrial |
| LFE5U-45F-8MG285C | Same device, different package | MG285 | 8 | Commercial |
| LFE5U-45F-8MG285I | Same device, different package | MG285 | 8 | Industrial |
Ranked from manufacturer datasheets and pinout files. Customer approval still recommended.
Frequently asked questions
- Is the LFE5U-45F-6BG381C still in production?
- Yes. The LFE5U-45F-6BG381C is in active production.
- What package is the LFE5U-45F-6BG381C?
- The LFE5U-45F-6BG381C comes in the BG381 package (381-CABGA, 17 × 17 mm).
- Which versions of the LFE5U-45F come in industrial temperature?
- The LFE5U-45F-6BG381C is not an industrial-temperature part. 15 LFE5U-45F parts are industrial temperature. A different speed grade or package is not a drop-in replacement, so check it against your design.LFE5U-45F-6BG381ILFE5U-45F-7BG381ILFE5U-45F-8BG381ILFE5U-45F-6BG256ILFE5U-45F-7BG256ILFE5U-45F-8BG256ILFE5U-45F-6BG554ILFE5U-45F-7BG554Iand 7 more
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