Tz325

EfinixTopaz

The Tz325 is a Topaz SoC FPGA from Efinix, built on a 16 nm process. It provides 348,749 LUT4 look-up tables (326,080 logic elements (LEs)), 348,749 flip-flops, 19.2 Mb of block RAM and 1,008 DSP blocks. Its processing system includes four RISC-V cores. The programmable logic offers up to 227 user I/O pins and 16 SERDES transceivers at up to 12.5 Gb/s, with hard PCI Express Gen3 x4 blocks. It is available in 4 packages, from the FBGA484 (18 × 18 mm) to the FBGA900 (25 × 25 mm). Designs are built with Efinix Efinity.

349KLUT4-equivalent

349KLUTs (LUT4)

1,008DSP blocks

19.2 MbBlock RAM

227Max. user I/O

16Transceivers (12.5 Gb/s)

4× RISC-VHard processor

Specifications

Vendor	Efinix
Family	Topaz
Series	Topaz
Process	16 nm
Configuration memory	SRAM
LUT4-equivalent capacity	348,749
Look-up tables (LUT4)	348,749
LUT note	XLR cells from the data sheet (each is a 4-input LUT with a flip-flop)
Logic elements (LEs)	326,080
Flip-flops	348,749
Block RAM	19.2 Mb
DSP (DSP block)	1,008

Max. user I/O	227
SERDES transceivers	16 × 12.5 Gb/s
PCI Express (PL)	2× Gen3 x4
Hard memory controller	LPDDR4 2 x32
Analog / monitor	None
Hard processor	4× RISC-V
Design tool	Efinix Efinity

Packages

Package	Size (mm)	Pitch (mm)	User I/O	Transceivers
FBGA484	18 × 18	0.8	105	—
FBGA529	19 × 19	0.8	227	—
FBGA676	18 × 18	0.65	—	—
FBGA900	25 × 25	0.8	218	—

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 Tz325

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
XC7Z045AMD Zynq 7000	350K 219K LUT6	350K LC	900	19.2 Mb	362	16 GTX 12.5 Gb/s	Gen2
Ti260Efinix Titanium	≈264K 264K LEs	264K LE	960	19.7 Mb	310	16 SERDES 16 Gb/s	Gen4
XC7Z035AMD Zynq 7000	275K 172K LUT6	275K LC	900	17.6 Mb	362	16 GTX 12.5 Gb/s	Gen2
Ti240Efinix Titanium	232K 232K LUT4	237K LE	860	17.6 Mb	337	16 SERDES 16 Gb/s	Gen4
Ti375Efinix Titanium	363K 363K LUT4	370K LE	1,344	27.5 Mb	337	16 SERDES 16 Gb/s	Gen4
MPFS250TMicrochip PolarFire SoC	254K 254K LUT4	254K LE	784	15.9 Mb	372	16 SERDES 12.5 Gb/s	Gen2

Compare side by side: Tz325 vs XC7Z045, Tz325 vs Ti260, Tz325 vs XC7Z035.

Tz325 quick facts

How many LUTs does the Tz325 have?

The Tz325 has 348,749 LUT4 look-up tables, about 348,749 LUT4 equivalents (326,080 logic elements (les) as published by Efinix).

How many DSP blocks does the Tz325 have?

The Tz325 has 1,008 DSP blocks and 19.2 Mb of block RAM.

Does the Tz325 have transceivers?

Yes, 16 SERDES transceivers at up to 12.5 Gb/s.

Does the Tz325 have a processor?

Yes. It includes a hard 4× RISC-V processor.

What are the alternatives to the Tz325?

Devices of similar size in other families include XC7Z045 (AMD Zynq 7000), Ti260 (Efinix Titanium), XC7Z035 (AMD Zynq 7000).

Which software is used to design with the Tz325?

Designs for the Tz325 are built with Efinix Efinity.

Other Topaz devices

Device	LUT4-eq.	Vendor logic	DSP	Block RAM	Max I/O	Transceivers	PCIe
Tz50	55.8K 55.8K LUT4	52.2K LE	140	2.4 Mb	169	—	—
Tz75	80.8K 80.8K LUT4	75.5K LE	264	5.3 Mb	223	8 SERDES 12.5 Gb/s	Gen3
Tz100	108K 108K LUT4	101K LE	312	6.3 Mb	223	8 SERDES 12.5 Gb/s	Gen3
Tz110	129K 129K LUT4	121K LE	320	6.4 Mb	274	—	—
Tz170	172K 172K LUT4	161K LE	544	11.1 Mb	274	—	—
Tz200	230K 230K LUT4	215K LE	840	15.8 Mb	227	16 SERDES 12.5 Gb/s	Gen3
Tz325	349K 349K LUT4	326K LE	1,008	19.2 Mb	227	16 SERDES 12.5 Gb/s	Gen3

Source: Efinix Topaz product page and device data sheets, retrieved 2026-10-24. Data is extracted automatically from the vendor's selection guide; verify critical values in the device data sheet.