National Instruments PXIe-7976 PXI FPGA Module for FlexRIO

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National Instruments · PXI Express

PXIe-7976

The NI PXIe-7976 is a PXI Express FPGA module for FlexRIO with a Kintex-7 410T FPGA and 2 GB of onboard DRAM. It supports peer-to-peer streaming between supported modules without routing data through the host processor.

ManufacturerNational Instruments

ModelPXIe-7976

Part Number783625-01

Product TypePXI FPGA Module for FlexRIO

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FPGAKintex-7 XC7K410T

Onboard DRAM2 GB, single bank

Backplane linkPCI Express Gen2 x8

DSP resources1,540 DSP48 slices

Embedded block RAM28,620 kbit

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Overview

Product overview

Key product information and technical features.

The PXIe-7976 provides reconfigurable FPGA resources within the NI FlexRIO family. Its PCI Express Gen2 x8 backplane connection is specified by NI for data rates up to 3.2 GB/s.

The module exposes 136 general-purpose FPGA I/O channels across three banks. I/O configuration and supported electrical standards depend on the FPGA configuration and attached adapter module, so the adapter documentation is essential when planning signal connections.

63,550 FPGA slices for configurable logic.
Peer-to-peer streaming with supported FPGA and select PXI Express modules.
DMA, interrupts and programmed I/O data transfers, with 32 DMA channels.
Onboard DRAM has a theoretical maximum data rate of 10.5 GB/s.

Verified specifications

Technical data

Verified product specifications.

FPGA	Kintex-7 XC7K410T
FPGA slices	63550 slices
LUTs	254200
DSP48 slices	1540 slices
Embedded block RAM	28620 kbit
Onboard DRAM	2, single bank GB
DRAM theoretical maximum data rate	10.5 GB/s
PXI backplane link	PCI Express Gen2 x8
General-purpose FPGA I/O	136 single-ended or 68 differential channels, or a combination
Default timebase	40 MHz
DMA channels	32
Operating temperature	0 to 55 °C
Dimensions excluding connectors	18.8 × 12.9 cm
Weight	190 g

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National Instruments

Manufacturer

PXI Express

Chassis and backplane platform

FlexRIO

Reconfigurable FPGA and modular I/O family

PXIe-7976

Kintex-7 FPGA module

Check adapter-specific signal limits and pinouts before connecting external signals.

Manuals & software

Technical resources

Manuals, software and technical resources for this model.

NI PXIe-7976 Product PageProduct Page · ni.com

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PXIe-7976 SpecificationsSpecifications · ni.com

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NI PXIe-7976R Device SpecificationsPDF Specifications · download.ni.com

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Introduction to Using DRAM with NI FPGA DevicesTechnical resource

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FAQ

Product-specific questions

Product-specific answers based on available technical information.

Which FPGA and memory does the PXIe-7976 use?

It uses a Kintex-7 XC7K410T FPGA with 28,620 kbit of embedded block RAM and 2 GB of single-bank onboard DRAM.

Which chassis slots support the PXIe-7976?

NI lists x4, x8 and x16 PXI Express slots and PXI Express hybrid slots as compatible.

Does peer-to-peer streaming require data to pass through the host processor?

No. Supported peer-to-peer transfers move data directly among FPGA modules or select PXI Express modules without sending it through the host processor.

Why does some NI documentation say PXIe-7976R?

NI's current product page uses PXIe-7976, while its PDF device specifications use PXIe-7976R. The catalog model is retained as PXIe-7976.