PXI-6541

100 and 50 MHz Digital Waveform Generator/Analyzers NI PXI-654x • 100 MHz maximum clock rate (NI 6542), 50 MHz maximum clock rate (NI 6541) • Compatible with 5.0, 3.3, 2.5, or 1.8 V logic (software-selectable) • 32 channels with per-channel direction control • 1, 8, or 64 Mb/channel onboard memory • Interactive waveform and script editor software • Synchronization and Memory Core (SMC) for tight synchronization with other SMC-based devices NEW Operating Systems • Windows 2000/NT/XP Recommended Software • LabVIEW 7 Express or later • LabWindows/CVI • Measurement Studio Driver and Editing Software (included) • NI-HSDIO • LabVIEW 7.1 Express VIs • Script Editor • Digital Waveform Editor (included with 8 and 64 Mb/channel models only) Product NI 6542 NI 6541 Platform PXI PXI Maximum Channels 32 32 Rate (MHz) 100 50 Voltage Levels 5.0, 3.3, 2.5, or 1.8 V logic 5.0, 3.3, 2.5, or 1.8 V logic Memory 1, 8, or 64 Mb/channel 1, 8, or 64 Mb/channel Scripting √ √ Programmable Data Delay √ √ Table 1. NI 654x Specifications Overview Description The National Instruments PXI-6542 and PXI-6541 devices are 100 and 50 MHz digital waveform generator/analyzers, respectively, for interfacing to digital electronics. These modules feature 32 channels with per-channel direction control and deep onboard memory with triggering and pattern sequencing. Through the NI-HSDIO driver, you can interface with 5.0, 3.3, 2.5, or 1.8 V logic. You can also use these devices with the NI Digital Waveform Editor, an interactive software tool for creating and editing digital waveforms. With the SMC, you can create mixed-signal test systems with digitizers, arbitrary waveform generators, and other digital waveform generator/analyzers, or you can synchronize multiple digital devices to build low-skew multichannel systems for interfacing to high pin count digital ICs and electronics. Create and Edit Patterns Interactively with the Digital Waveform Editor • Import existing waveforms into LabVIEW from VHDL simulation and spreadsheet tools in Value Change Dump (.VCD) or ASCII formats • Create new waveforms using built-in fill patterns • Edit waveforms interactively in the user interface • Link and loop created digital waveforms with the Script Editor Ordering Information NI PXI-6541 ..............................................................778952-0M1 NI PXI-6542 ..............................................................778953-0M1 1Where M is: 1 (1Mb/channel), 2 (8 Mb/channel), or 3 (64 Mb/channel) Includes NI-HSDIO driver and Script Editor. The 8 and 64 Mb/channel models also include the Digital Waveform Editor. Software Design High-Density Interfaces • Data delay for clock frequencies ≥ 25 MHz • Data delay resolution of 0.4% of clock period • Internal or external sample or reference clock sources • ±600 ps channel-channel skew (typ) • ±32 mA maximum DC drive strength per channel (configured for 3.3 V logic) • Multidevice synchronization with other SMC-based modular instruments Applications Semiconductor Mixed-signal design validation and test Interfacing to digital electronics Aerospace/Defense Subsystem emulation Interconnect testing Communications Multimedia chipset emulation Medical Electronics Emulation of IC communications Consumer Electronics CMOS and CCD imaging sensors NI Digital Waveform Editor ........................................778724-03 Cable SHC68-C68-D2 ............................................................188142-01 Accessory CB-2162 ........................................................................778592-01 SMB-2163 ......................................................................778747-01 BUY ONLINE! Visit ni.com/info and enter pxi6541, pxi6542. 100 and 50 MHz Digital Waveform Generator/Analyzers Specifications For detailed specifications, please visit ni.com/info and enter: pxi6541, pxi6542. These specifications are valid for the following temperature ranges: PXI: 0 to 55 °C. Triggers (inputs to the NI 654x) Trigger types..................................................... Start Trigger, Pause Trigger, Script Trigger (Generation sessions only), Reference Trigger (Acquisition sessions only) Sources ............................................................ 1. PFI (SMB Jack connectors) 2. PFI (DDC connector) 3. PXI_TRIG (PXI backplane, PXI only) 4. PXI STAR (PXI backplane, PXI only) 5. Pattern match (Acquisition sessions only) 6. Software (User function call) 7. Disabled (Do not wait for a trigger) Trigger detection .............................................. 1. Start Trigger (Edge detection: rising or falling) 2. Pause Trigger (Level detection: high or low) 3. Script Trigger (Edge detection: rising or falling, Level detection: high or low) 4. Reference Triggers (Edge detection: rising or falling) Minimum required trigger pulse width............ 40 ns Destinations ..................................................... 1. PFI (SMB Jack Connector) 2. PFI (DDC Connector) 3. PXI_TRIG (PXI Backplane) Each of the Triggers can be routed to any of the 13 Destinations with the exception of Pause Trigger. Pause Trigger can not be exported. Channel Characteristics Number of data channels................................. 32 Direction control of data channels .................. Per channel Generation Signal Characteristics (data, DDC ClkOut, and PFI channels) All voltage ranges specified into 1 MΩ Generation voltage families (V) ....................... 1.8, 2.5, 3.3 logic families (5 V compatible) Generation signal type..................................... Single-ended Generation voltage levels Family Settings (V) 1.8 2.5 3.3 5.0 Low Voltage Levels (V) Typical Max 0 0.1 0 0.1 0 0.1 0 0.1 High Voltage Levels (V) Min Typical 1.7 1.8 2.4 2.5 3.2 3.3 3.2 3.3 I=100 µA Output impedance ............................................ 50 Ω nominal at 25 °C Maximum DC drive strength ............................ ±8 mA at 1.8 V ±16 mA at 2.5 V ±32 mA at 3.3 V Channel power-up state................................... Drivers disabled, 10 kΩ input impedance Events (outputs from the NI 654x) Event types ....................................................... Marker, Data Active Event, Ready for Start Event Destinations ..................................................... 1. PFI (SMB Jack Connectors) 2. PFI (DDC Connector) 3. PXI_TRIG (PXI Backplane) Each of the Events can be routed to any of the destinations with the exception of Data Active Event. Data Active Event can only be routed to the PFI channels. Acquisition Signal Characteristics (data, strobe, and PFI channels) Acquisition voltage families (V) ....................... 1.8, 2.5, 3.3, 5.0 logic families Acquisition voltage levels Family Settings (V) 1.8 2.5 3.3 5.0 Low Voltage Thresholds (V) Max 0.45 0.75 1.0 1.0 High Voltage Thresholds (V) Min 1.35 1.75 2.3 2.3 Miscellaneous Onboard Clock characteristics (Only valid when PLL Reference Source is set to None) Frequency accuracy .......................................... ±100 ppm (typical) Temperature stability ....................................... ±30 ppm (typical) Aging ............................................................ ±5 ppm first year (typical) Input impedance............................................... High impedance (10 kΩ) Timing Characteristics Sample Clock Sample clock sources....................................... 1. Onboard clock (internal VCXO with divider) 2. CLK IN (SMB) 3. PXI_STAR (PXI only) 4. STROBE (DDC Connector) – Acquisition only On board clock frequency range ..................... NI 6541: 48 Hz to 50 MHz. (Settable to 200 MHz / N; 4 ≤ N ≤ 4,194,304) NI 6542: 48 Hz to 100 MHz. (Settable to 200 MHz / N; 2 ≤ N ≤ 4,194,304) Exported sample clock delay range ................. 0 - 1 sample clock periods for clock frequencies ≥ 25 MHz Exported sample clock delay resolution .......... 1/256 of sample clock period for clock frequencies ≥ 25 MHz Power Requirements Typical ............................................................ 15 W Maximum.......................................................... 20.5 W Physical Dimensions....................................................... PXI: Single 3U CompactPCI Slot. PXI Compatible I/O Panel Connectors Label CLK IN PFI 0 CLK OUT Digital data and Control (DDC) External Function(s) Sample Clock, External PLL Reference Input Events, Triggers Exported Sample Clock, Exported Reference Clock Digital data channels, Exported Sample Clock, STROBE, Events, Triggers Connector Type SMB jack SMB jack SMB jack 68 pin VHDCI Exported sample clock jitter (typical using onboard clock) Period jitter 20 ps (rms) Cycle-to-cycle jitter 35 ps (rms) Environment Generation Signal Characteristics (data, DDC Clk Out, and PFI channels) Data channel-to-channel skew ........................ Maximum data channel toggle rate ................ Data position modes ........................................ Generation data delay range ........................... Generation data delay resolution .................... ±600 ps (typical across all data channels) NI 6541: 25 MHz; NI 6542: 50 MHz Rising edge, falling edge, delayed relative to sample clock 0 - 1 sample clock period for clock frequencies ≥ 25 MHz 1/256 of sample clock period for clock frequencies ≥ 25 MHz Operating temperature..................................... PXI: 0 to 55 °C in all NI PXI chassis except the following. 0 to 45 °C when installed in an NI PXI-1000/B and PXI-101x chassis. (Meets IEC-60068-2-1 and IEC-60068-2-2) Storage temperature ........................................ -20 to 70 °C Relative humidity ............................................. 10 to 90% relative humidity, noncondensing (meets IEC-60068-2-56) Storage Relative humidity................................ 5 to 95% relative humidity, noncondensing (meets IEC-60068-2-56) Acquisition Signal Characteristics (data, strobe, and PFI channels) Channel-to-channel skew ................................ ±600 ps (typical across all data channels) Acquisition timing delay range ........................ 0 - 1 sample clock periods for clock frequencies ≥ 25 MHz Acquisition timing delay resolution ................. 1/256 of sample clock period for clock frequencies ≥ 25 MHz Compliance Safety NI 654x devices meet the requirements of the following standards for safety and electrical equipment for measurement, control, and laboratory use: IEC 61010-1, EN 61010-1 UL 3111-1, UL 61010B-1 CAN/CSA C22.2 No. 1010.1 Note: For full EMC compliance, you must operate this device with shielded cabling. In addition, all covers and filler panels must be installed. See the Declaration of Conformity (DoC) for this product for any additional regulatory compliance information. To obtain the DoC for this product, visit ni.com/hardref.nsf Waveform Characteristics Memory and Scripting Onboard memory size (assumes no scripting instructions) 1 Mb/channel (for generation sessions) 1 Mb/channel (for acquisition sessions) 8 Mb/channel (for generation sessions) 8 Mb/channel (for acquisition sessions) 64 Mb/channel (for generation sessions) 64 Mb/channel (for acquisition sessions) Generation modes Waveform: Generate a single waveform once, N times, or continuously. Scripted: Generate a simple or complex sequence of waveforms. Use scripts to describe the waveforms to be generated, the order in which the waveforms are generated, how many times the waveforms are generated, and how the device responds to script triggers. 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