NI (National Instruments) NI-6581B 100 MHz, 54 Single-Ended-Channel, Kintex-7 FPGA-Support, Digital I/O Adapter Module for FlexRIO

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NI (National Instruments) · Computer-Based Device

NI-6581B

The NI-6581B is a 100 MHz digital I/O adapter module for FlexRIO with 54 single-ended digital pins, including 48 bidirectional digital channels.

ManufacturerNI (National Instruments)

ModelNI-6581B

Part Number783887-01

Product Type100 MHz, 54 Single-Ended-Channel, Kintex-7 FPGA-Support, Digital I/O Adapter Module for FlexRIO

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Bidirectional Digital Channels48

Maximum Clock Rate100 MHz

Logic Levels And Range1.8 V, 2.5 V, 3.3 V, 1.2V - 3.3V, 1.2V - 3.3V

Compatible FPGAKintex-7, Virtex-5

Digital I/O Termination50 Ohm

Maximum Data Rate100 Mbits/s

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Overview

Product overview

Key product information and technical features.

The NI-6581B, part number 783887-01, provides digital I/O connectivity for FlexRIO systems using supported Kintex-7 or Virtex-5 FPGA hardware. It is an adapter module rather than a standalone digital instrument.

The module supports real-time interfacing with standard and customized digital protocols, with digital waveforms up to 100 MHz. Its 54 single-ended digital pins and 48 bidirectional digital channels are distinct counts.

48 bidirectional digital channels with single-ended signaling.
100 MHz maximum clock rate and 100 Mbits/s maximum data rate.
Digital I/O logic levels of 1.8 V, 2.5 V and 3.3 V, with a listed output voltage range of 1.2 V to 3.3 V.
Two external clock inputs and VHDCI and COMBICON front connections.
Reconfigurable operation and support for peer-to-peer streaming.

Verified specifications

Technical data

Verified product specifications.

Number of Bidirectional Digital Channels	48
Maximum Clock Rate	100 MHz
Logic Levels And Range	1.8 V, 2.5 V, 3.3 V, 1.2V - 3.3V, 1.2V - 3.3V
Compatible FPGA	Kintex-7, Virtex-5
Digital I/O Termination	50 Ohm
Maximum Data Rate	100 Mbits/s
Signaling Type	Single-Ended
Reconfigurable	Yes
Maximum Digital Update Rate	10 ns
Operating Temperature Range	0 °C to 55 °C
Digital I/O Logic Levels	1.8 V, 2.5 V, 3.3 V
Front Connection Type	VHDCI, COMBICON
Number of External Clock Inputs	2
Supports Peer To Peer Streaming	Yes
Supported Hardware Platform	Computer-Based Device
Output Voltage Range	1.2 V to 3.3 V
Maximum Acquisition Rate	100 MB/s
Maximum Generation Rate	100 MB/s
Module Width	1
Enclosed	Yes
NI part numbers	783887-01

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NI

Manufacturer

Computer-Based Device

Supported Hardware Platform

NI-6581B

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Letter Of Volatility (NI)Letter Of Volatility · ni.com

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Getting Started (NI)Getting Started · ni.com

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Product Page (NI)Product Page · ni.com

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NI 6581/6581B Getting StartedTechnical resource

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FAQ

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Product-specific answers based on available technical information.

Does the NI-6581B have 54 or 48 digital channels?

The module has 54 single-ended digital pins and 48 bidirectional digital channels. The pin count should not be interpreted as 54 bidirectional channels.

What is the NI-6581B part number?

The listed NI part number is 783887-01.

What is the maximum clock rate?

The listed maximum clock rate is 100 MHz.

Which FPGA families does the NI-6581B support?

The listed FPGA families are Kintex-7 and Virtex-5. Confirm the exact FPGA module and software requirements before selecting system components.