XC7K355T

AMDKintex-7

The XC7K355T is a Kintex-7 FPGA from AMD, built on a 28 nm process. It provides 222,600 LUT6 look-up tables (356,160 logic cells), 445,200 flip-flops, 25.1 Mb of block RAM and 1,440 DSP slices. It offers up to 300 user I/O pins and 24 GTX transceivers at up to 12.5 Gb/s, with hard PCI Express Gen2 blocks. It comes in a single package, the FFG901 (31 × 31 mm). Temperature grades: commercial, extended, industrial. Designs are built with AMD Vivado.

356KLUT4-equivalent

223KLUTs (LUT6)

1,440DSP slices

25.1 MbBlock RAM

300Max. user I/O

24Transceivers (12.5 Gb/s)

Specifications

Vendor	AMD
Family	Kintex-7
Series	7 Series
Process	28 nm
Configuration memory	SRAM
LUT4-equivalent capacity	356,160
Look-up tables (LUT6)	222,600
Logic cells	356,160
Flip-flops	445,200
Distributed RAM	5,088 Kb
Block RAM	25.1 Mb (715 × 36 Kb)
DSP (DSP slice)	1,440
Clock management tiles	6

Max. user I/O	300
Differential pairs	144
GTX transceivers	24 × 12.5 Gb/s
PCI Express	Gen2
Analog / monitor	XADC
Design tool	AMD Vivado

Packages

Package	Size (mm)	Pitch (mm)	User I/O	Transceivers
FFG901	31 × 31	1.0	300	24

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
Extended (E)	0 to 100 °C	-2L, -3
Industrial (I)	−40 to 100 °C	-1, -2, -2L

Alternatives to the XC7K355T

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
XCKU3PAMD Kintex UltraScale+	261K 163K LUT6	356K SLC	1,368	12.7 Mb	304	16 GTY 32.75 Gb/s	Gen3
10AX048Altera Arria 10	364K 182K ALMs	629K LE	1,368	28.1 Mb	492	36 XCVR 17.4 Gb/s	Gen3
XCKU5PAMD Kintex UltraScale+	347K 217K LUT6	475K SLC	1,824	16.9 Mb	304	16 GTY 32.75 Gb/s	Gen3
LAV-AT-G50Lattice Avant-G	255K 255K LUT4	409K LC	1,120	22.7 Mb	298	16 SERDES 12.5 Gb/s	—
LAV-AT-X50Lattice Avant-X	255K 255K LUT4	409K LC	1,120	22.7 Mb	298	16 SERDES 25 Gb/s	—
XC2KU030PAMD Kintex UltraScale+ Gen 2	240K 150K LUT6	328K SLC	1,248	11.8 Mb	342	16 GTY 32.75 Gb/s	Gen4

Compare side by side: XC7K355T vs XCKU3P, XC7K355T vs 10AX048, XC7K355T vs XCKU5P.

XC7K355T quick facts

How many LUTs does the XC7K355T have?

The XC7K355T has 222,600 LUT6 look-up tables, about 356,160 LUT4 equivalents (356,160 logic cells as published by AMD).

How many DSP blocks does the XC7K355T have?

The XC7K355T has 1,440 DSP slices and 25.1 Mb of block RAM.

Does the XC7K355T have transceivers?

Yes, 24 GTX transceivers at up to 12.5 Gb/s.

What are the alternatives to the XC7K355T?

Devices of similar size in other families include XCKU3P (AMD Kintex UltraScale+), 10AX048 (Altera Arria 10), XCKU5P (AMD Kintex UltraScale+).

Which software is used to design with the XC7K355T?

Designs for the XC7K355T are built with AMD Vivado.

Other Kintex-7 devices

Device	LUT4-eq.	Vendor logic	DSP	Block RAM	Max I/O	Transceivers	PCIe
XC7K70T	65.6K 41K LUT6	65.6K LC	240	4.7 Mb	300	8 GTX 12.5 Gb/s	Gen2
XC7K160T	162K 101K LUT6	162K LC	600	11.4 Mb	400	8 GTX 12.5 Gb/s	Gen2
XC7K325T	326K 204K LUT6	326K LC	840	15.6 Mb	500	16 GTX 12.5 Gb/s	Gen2
XC7K355T	356K 223K LUT6	356K LC	1,440	25.1 Mb	300	24 GTX 12.5 Gb/s	Gen2
XC7K410T	407K 254K LUT6	407K LC	1,540	27.9 Mb	500	16 GTX 12.5 Gb/s	Gen2
XC7K420T	417K 261K LUT6	417K LC	1,680	29.4 Mb	400	32 GTX 12.5 Gb/s	Gen2
XC7K480T	478K 299K LUT6	478K LC	1,920	33.6 Mb	400	32 GTX 12.5 Gb/s	Gen2

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.