FPGA & adaptive SoC databook · online editionRev. 2026.10

5SEE9

AlteraStratix V

The 5SEE9 is a Stratix V FPGA from Altera, built on a 28 nm process. It provides 317,000 adaptive logic modules (ALMs) (840,000 logic elements (LEs)), 1,268,000 flip-flops, 51.6 Mb of block RAM and 352 variable-precision DSP blocks. It offers up to 840 user I/O pins. It is available in 2 packages, from the H1517 (H40) (45 × 45 mm) to the F1932 (F45) (45 × 45 mm). Designs are built with Altera Quartus Prime.

317,000ALMs
352variable-precision DSP blocks
51.6 MbBlock RAM
840Max. user I/O
—Transceivers

Specifications

VendorAltera
FamilyStratix V
SeriesStratix
Process28 nm
Configuration memorySRAM
Adaptive logic modules (ALMs)317,000
   Logic blockadaptive logic module: fracturable 8-input LUT (one 6-input or two independent 4-input functions)
LUT4 equivalent (approx.)≈634,000
Logic elements (LEs)840,000
Flip-flops1,268,000
Block RAM51.6 Mb (2640 × 20 Kb)
DSP (variable-precision DSP block)352
Clock management tiles28
Max. user I/O840
TransceiversNone
PCI ExpressNone
Analog / monitorNone
Design toolAltera Quartus Prime

Packages

PackageSize (mm)Pitch (mm)User I/OTransceivers
H1517 (H40)45 × 451.0696—
F1932 (F45)45 × 451.0840—

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

Alternatives to the 5SEE9

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

DeviceLUTsVendor logicDSPBlock RAMMax I/OTransceiversPCIeCoreScore
LAV-AT-E50Lattice Avant-E255,000 LUT4409K LC1,12022.7 Mb553———
LAV-AT-E70Lattice Avant-E397,000 LUT4637K LC1,80035.6 Mb553———
5CEA9Altera Cyclone V113,560 ALMs301K LE34211.9 Mb480———
LAV-AT-E30Lattice Avant-E163,000 LUT4262K LC70014.4 Mb349———
Ti180Efinix Titanium172,800 LUT4176K LE64013.1 Mb284———
XCSU200PAMD Spartan UltraScale+100,000 LUT6219K SLC3846.8 Mb5728 GTH 16.3 Gb/sGen4—

Compare side by side: 5SEE9 vs LAV-AT-E50, 5SEE9 vs LAV-AT-E70, 5SEE9 vs 5CEA9.

Compare the 5SEE9 with up to three other FPGAs.

5SEE9 quick facts

How many LUTs does the 5SEE9 have?

The 5SEE9 has 317,000 adaptive logic modules (ALMs) (840,000 logic elements (les) as published by Altera). Logic block: adaptive logic module: fracturable 8-input LUT (one 6-input or two independent 4-input functions).

How many DSP blocks does the 5SEE9 have?

The 5SEE9 has 352 variable-precision DSP blocks and 51.6 Mb of block RAM.

Does the 5SEE9 have transceivers?

No, the 5SEE9 has no multi-gigabit transceivers. Its user I/O supports up to 840 pins.

What are the alternatives to the 5SEE9?

Devices of similar size in other families include LAV-AT-E50 (Lattice Avant-E), LAV-AT-E70 (Lattice Avant-E), 5CEA9 (Altera Cyclone V).

Which software is used to design with the 5SEE9?

Designs for the 5SEE9 are built with Altera Quartus Prime.

Other Stratix V devices

DeviceLUTsVendor logicDSPBlock RAMMax I/OTransceiversPCIeCoreScore
5SGSD389,000 ALMs236K LE60013.4 Mb43224 GX 14.1 Gb/sGen3—
5SGXA3128,300 ALMs340K LE25618.7 Mb69636 GX 14.1 Gb/sGen3—
5SGSD4135,840 ALMs360K LE1,04418.7 Mb69636 GX 14.1 Gb/sGen3—
5SGXA4158,500 ALMs420K LE25637.1 Mb69636 GX 14.1 Gb/sGen3—
5SGTC5160,400 ALMs425K LE25645 Mb60036 GT/GX 28.05 Gb/sGen3—
5SGSD5172,600 ALMs457K LE1,59039.3 Mb69636 GX 14.1 Gb/sGen31,152 storeypeak
5SGXA5185,000 ALMs490K LE25645 Mb84048 GX 14.1 Gb/sGen3—
5SGXB5185,000 ALMs490K LE39941 Mb60066 GX 14.1 Gb/sGen3—
5SGSD6220,000 ALMs583K LE1,77545.3 Mb84048 GX 14.1 Gb/sGen3—
5SGXB6225,400 ALMs597K LE39952 Mb60066 GX 14.1 Gb/sGen3—
5SGTC7234,720 ALMs622K LE25650 Mb60036 GT/GX 28.05 Gb/sGen3—
5SGXA7234,720 ALMs622K LE25650 Mb84048 GX 14.1 Gb/sGen31,568 de5_net
5SGSD8262,400 ALMs695K LE1,96350.1 Mb84048 GX 14.1 Gb/sGen3—
5SGXA9317,000 ALMs840K LE35251.6 Mb84048 GX 14.1 Gb/sGen3—
5SGXB9317,000 ALMs840K LE35251.6 Mb60066 GX 14.1 Gb/sGen3—
5SEE9317,000 ALMs840K LE35251.6 Mb840———
5SGXAB359,200 ALMs952K LE35251.6 Mb84048 GX 14.1 Gb/sGen3—
5SGXBB359,200 ALMs952K LE35251.6 Mb60066 GX 14.1 Gb/sGen3—
5SEEB359,200 ALMs952K LE35251.6 Mb840———

Source: Stratix V Device Overview, 683258 (2024.12.20). Data is extracted automatically from the vendor's selection guide; verify critical values in the device data sheet.