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NI (National Instruments) · PXI

PXIe-6537

The NI PXIe-6537 is a 32-channel digital I/O module with PXI Express connectivity, a 50 MHz maximum clock rate, and selectable 2.5 V, 3.3 V, and 5 V TTL logic levels.

ManufacturerNI (National Instruments)
ModelPXIe-6537
Part Number779989-01
Product Type32-Channel, 50 MHz, 200 MB/s PXI Digital I/O Module
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Bus ConnectorPXI Express
Single-Ended Digital I/O Channel Current Drive32 mA
Digital I/O Logic Levels2.5 V, 3.3 V, 5 V TTL
Bidirectional Digital Channels32
Digital Input Voltage Range-1 V to 6 V
Output Voltage Range0 V to 5 V
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Overview

Product overview

Key product information and technical features.

The PXIe-6537 provides 32 bidirectional, single-ended digital I/O channels for a PXI system using a PXI Express bus connection. Selectable logic levels allow its digital interface to be configured for 2.5 V, 3.3 V, or 5 V TTL operation.

The module has a VHDCI front connection and two external clock inputs. Its specified digital input voltage range is -1 V to 6 V, and its output voltage range is 0 V to 5 V.

  • 32 bidirectional digital channels with single-ended signaling.
  • Maximum clock rate of 50 MHz.
  • Selectable 2.5 V, 3.3 V, and 5 V TTL digital I/O logic levels.
  • PXI Express bus interface and VHDCI front connection.
  • Two external clock inputs.
  • Single-ended digital I/O channel current drive specified as 32 mA.
Verified specifications

Technical data

Verified product specifications.

Bus ConnectorPXI Express
Single-Ended Digital I/O Channel Current Drive32 mA
Digital I/O Logic Levels2.5 V, 3.3 V, 5 V TTL
Number of Bidirectional Digital Channels32
Digital Input Voltage Range-1 V to 6 V
Output Voltage Range0 V to 5 V
Maximum Clock Rate50 MHz
Signaling TypeSingle-Ended
ReconfigurableYes
Bus ConnectionPXI Express
Front Connection TypeVHDCI
Number of External Clock Inputs2
Supported Hardware PlatformPXI
Digital I/O Termination50 kOhm
Maximum Acquisition Rate50 MB/s
Maximum Generation Rate50 MB/s
Maximum Data Rate50 MB/s
Module Width1
NI part numbers779989-01
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NI

Manufacturer

PXI

Supported Hardware Platform

PXIe-6537

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Manuals & software

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Getting Started (NI)Getting Started · ni.com
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Letter Of Volatility (NI)Letter Of Volatility · ni.com
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Specifications (NI)Specifications · ni.com
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Dimensional Drawings (NI)Dimensional Drawings · ni.com
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Product Page (NI)Product Page · ni.com
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Shipping, warranty & returns

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FAQ

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Product-specific answers based on available technical information.

How many digital I/O channels does the PXIe-6537 have?

It has 32 bidirectional digital channels with single-ended signaling.

What logic levels does the PXIe-6537 support?

It supports selectable 2.5 V, 3.3 V, and 5 V TTL digital I/O logic levels.

What connections does the module use?

It uses a PXI Express bus connection and a VHDCI front connection.

What is the maximum clock rate?

The specified maximum clock rate is 50 MHz.

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