{"id":30605,"date":"2025-09-30T13:24:15","date_gmt":"2025-09-30T05:24:15","guid":{"rendered":"https:\/\/essenceinstrument.com\/?post_type=product&p=30605"},"modified":"2026-04-10T14:10:19","modified_gmt":"2026-04-10T06:10:19","slug":"ni-6581b","status":"publish","type":"product","link":"https:\/\/essenceinstrument.com\/ru\/product\/ni-6581b","title":{"rendered":"NI-6581B"},"content":{"rendered":"

The NI-6581B is a digital I\/O adapter module that, when combined with a PXI FPGA Module for FlexRIO or the Controller for FlexRIO, creates a digital instrument for interfacing with 54 single-ended digital pins. A digital I\/O adapter module for FlexRIO can be used to do real-time interfacing of standard protocols and implement customized protocols. The NI-6581B can operate sample digital waveforms at up to 100 MHz. It includes support for common transistor-to-transistor logic (TTL) voltage levels, or other voltage references can be sourced externally using a front panel connector.<\/p>\n

Part Number(s): 783887-01<\/p>\n

Applications and Use Cases of NI-6581B<\/strong><\/span><\/h2>\n

The NI-6581B Digital Adapter Module is a high-speed digital adapter module designed for use with NI FlexRIO FPGA modules<\/strong>. It provides parallel digital I\/O with high throughput and flexible voltage levels<\/strong>, enabling custom digital communication, high-speed data streaming, and real-time FPGA-based processing<\/strong>.<\/p>\n

Key Applications<\/strong><\/span><\/h3>\n

1. High-Speed Digital Data Streaming<\/strong>
NI-6581B is widely used for high-throughput digital data transfer between external devices and FPGA systems, making it ideal for applications requiring fast parallel data movement.<\/p>\n

2. Custom Digital Communication Protocols<\/strong>
With FPGA programmability, it enables implementation of custom or proprietary communication protocols, supporting specialized system requirements.<\/p>\n

3. Semiconductor and Device Testing<\/strong>
It can be used for digital pattern generation and acquisition in semiconductor testing, helping validate ICs, FPGAs, and digital subsystems.<\/p>\n

4. Imaging and Data Acquisition Systems<\/strong>
NI-6581B is suitable for interfacing with high-speed imaging sensors, cameras, and data acquisition devices that use parallel digital outputs.<\/p>\n

5. Hardware-in-the-Loop (HIL) and Real-Time Systems<\/strong>
It supports deterministic, low-latency digital I\/O, making it suitable for HIL applications and real-time system validation.<\/p>\n

6. Embedded System and FPGA Prototyping<\/strong>
The module is widely used in FPGA-based prototyping for embedded systems, enabling flexible digital interfacing and system development.<\/p>\n

7. Research, Development, and Advanced Testing<\/strong>
NI-6581B is commonly used in research labs and engineering environments for developing digital systems, testing high-speed interfaces, and validating complex designs.<\/p>","protected":false},"excerpt":{"rendered":"

Number of Bidirectional Digital Channels: 54
\nDuplex: –
\nMaximum Clock Rate: 10 MHz
\nLogic Levels And Range: 1.8 V, 2.5 V, 3.3 V
\nCompatible FPGA: Kintex-7, Virtex-5
\nDigital I\/O Termination: 5 Ohm
\nMaximum Data Rate: 10 Mbits\/s
\nSignaling Type: Single-Ended<\/p>","protected":false},"featured_media":31003,"template":"","meta":{"_acf_changed":false},"product_brand":[18],"product_cat":[667],"product_tag":[],"class_list":{"0":"post-30605","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-national-instruments","7":"product_cat-pxi-modules","9":"first","10":"instock","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"acf":[],"yoast_head":"\nNI-6581B, Digital I\/O Adapter Module for FlexRIO, 783887-01 - Project Pricing Available<\/title>\n<meta name=\"description\" content=\"The NI-6581B is a digital I\/O adapter module that, when combined with a PXI FPGA Module for FlexRIO or the Controller for FlexRIO - In Stock Ships Today\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/essenceinstrument.com\/ru\/product\/ni-6581b\/\" \/>\n<meta property=\"og:locale\" content=\"ru_RU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"NI-6581B\" \/>\n<meta property=\"og:description\" content=\"The NI-6581B is a digital I\/O adapter module that, when combined with a PXI FPGA Module for FlexRIO or the Controller for FlexRIO - 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