GX5295

Description

The GX5295 offers outstanding digital test capabilities and channel density in a compact 3U PXI form factor. Offering both performance digital and analog test capabilities, the GX5295 provides a cost-effective, tester per pin architecture - making this card the ideal choice for high throughput, mixed-signal component test applications. Each digital channel can be individually programmed for a drive hi, drive lo, sense hi, sense lo, and load value (with commutation voltage level). In addition, each channel offers a parametric measurement unit (PMU) providing users with the capability to perform parallel DC measurements on the DUT (device under test).

The GX5295 supports deep pattern memory by offering 256 MB of on-board vector memory with dynamic per pin direction control and with test rates up to 100 MHz. The board supports both Stimulus / Response and Real-time Compare modes of operation, allowing the user to maximize test throughput for
go / no-go testing of components and UUTs that require deep memory test patterns. The single board design supports both master and slave functionality without the use of add-on modules.

Features

The GX5295’s pin electronic resources are independent on a per channel basis and include a full-featured PMU for DC characterization of DUTs. The PMU can operate in the force voltage / measure current or force current / measure voltage mode. In addition, the driver and receiver can be configured to support differential input and output signals from / to the UUT.
A windowing method is utilized for memory accesses, which limits the required PCI memory space for each board to only 16 MB, thus preserving test system resources. A direct mode, for continuous data transfer between the test system controller and the I/O pins of the GX5295 is also supported.

The GX5295 offers 256 MB of vector memory, with 64 Mb per channel. Programmable I/O width allows trading vector width for vector depth. Under software control, the GX5295’s vector memory can be configured to support channel widths of 32, 16, 8, 4, 2 and 1 with corresponding vector depths of 64 Mb, 128 Mb, 256 Mb, 512 Mb, 1024 Mb, and 2048 Mb.

The GX5295 provides programmable LVTTL output clocks and strobes, and supports external clock and strobe. A programmable PLL (phase locked loop) provides configurable clock frequencies and delays. Additionally, 4 additional pin electronics resources are available for use as timing and/or control resources - providing programmable drive and sense levels from -2 to +7 V.

The GX5295’s sequencer can halt or pause on a defined address or loop through the entire memory as well as loop on a defined address range or through a defined block of memory. Two modes of digital test are also supported - a Stimulus / Response and a real-time compare mode. The Stimulus / Response mode is used for driving and capturing data. Alternatively, for digital tests requiring long test vectors, the real-time compare mode can be used to significantly shorten overall test times by comparing in real-time, expected test results and logging only failed vectors and resultant test results (pass or fail).

Software

The GX5295 is supplied with DIOEasy, which provides powerful graphical vector development / waveform display tools as well as a virtual instrument panel, 32-bit DLL driver libraries, and documentation. The virtual panel can be used to interactively control and monitor the instrument from a window that displays the instrument’s current settings and status. In addition, various interface files provide access to the instrument’s function library for programming tools and languages such as ATEasy, C/C++, Microsoft Visual Basic®, Delphi, and LabVIEW.

Optionally, DtifEasy is available for use the GX5295. DtifEasy offers a complete LASAR post-processor and test execution environment for post-processing and executing of LASAR generated .tap files.

Applications

• Automatic Test Equipment (ATE)
• Semiconductor test
• Displays, printers, and disk drive testing
• ASICs testing
• A/D and D/A testing
• Video acquisition / playback applications
• High speed, bi-directional bus testing / emulation

GX5295 Specifications

Channel I/O Specifications
Number of Data I/O Channels	32 per card
Auxilary I/O Channels	4, can be used for timing / control functions. Auxiliary channels offer all features supported by the data channels including a PMU per channel without vector memory.
Channel Direction Control	Input or Output per step, per channel
Number of Drive and Sense Voltage References	32 Drive Hi / Drive Lo 32 Sense Hi / Sense Lo
Drive Voltage Level	Drive Hi: -2 V to +7 V Drive Lo: -2 V to +7 V Maximum swing: 8 V
Drive Voltage Accuracy	±20 mV (max)
Drive Voltage Resolution	16 bits, 250 uV
Driver Leakage Current	±15 nA (max)
Output Impedance	50 Ω (typ)
Drive Current	±35 mA (min)
Rise / Fall Times	0.5 ns typical for a 2 V pulse
Channel Skew	160 ps, typical between the same card 320 ps max, after calibration, for all channels (Drive and sense)
Drive Data Timing	Data valid relative to the rising edge of Clk0: 4 ns. Clock & strobe delays set to 0 ns. Data valid relative to the rising edge of EXCLK: 31 ns. Clock and strobe delays set to 0 ns.
Programmable Channel Skew	Each channel can be programmed with a skew of 2.5 ns, relative to the test clock; 200 ps of resolution (Drive and sense can be programmed independently)
Sense Voltage Range	Sense Hi: -2 V to +7 V Sense Lo: -2 V to +7 V
Sense Voltage Threshold Accuracy	±15 mV
Sense Voltage Resolution	16 bits, 250 uV
Input Leakage Current	±15 nA (max)
Minimum Data Sense Pulse Width	1.0 ns (typ)
Data Sense Timing	Acquire data relative to internal strobe:   Setup time: 18 ns (Ostb to input data) Acquire data relative to external strobe:   Setup time: -9 ns Clock and strobe delays set to 0 ns.
Pull-Up / Pull-Down Current Source / Sink	±24 mA, programmable on a per channel basis V commutate: -2 V to +7 V, programmable on a per channel basis
Pull-Up / Pull-Down Current Source / Sink Accuracy	±64 uV
Pull-Up / Pull-Down Current Source / Sink Resolution	16 bits
Voltage Commutation Accuracy	±15 mV
Voltage Commutation Resolution	16 bits
Memory	64 Mb to 2 Gb per channel
Test Modes
Stimulus / Response	Drive / compare data against expected data pattern Expect & mask data on a per cycle basis
Real-Time Compare	Drive / Capture data, up to 64 Mb per channel
Real-Time Compare Record Memory	1024 of record memory Record compared data and program steps
Real-Time Compare Stop Modes	Stop on defined error count (max is 1024), record failed vectors & address locations Stop on defined error count, record up to 1 K of data prior to stopping on error count Stop on defined comparison data value Stop on defined program counter value

Timing
Internal Test Clock (PLL)
Frequency Range	1 Hz (min); 100 MHz (max)
Programming Resolution	5 digits
Accuracy	Greater of (±1 Hz or ±0.02% of programmed value) + accuracy of reference clock (PXI 10 MHz or external reference clock)
Jitter	±20 mUI of internal clock frequency, max
Programmable Delays for Internal Strobe & Output Clock Signals	0-3 ns, 4-7 ns, 8-11 ns, 12-15 ns, 16-19 ns, 20-23 ns, 24-27 ns; 250 ps steps within each range (using internal clock source only)
Reference	PXI 10 MHz clock or XClk (external clock) input
Internal B Clock Output (LVTTL)
Frequency Range	300 KHz (min); 100 MHz (max)
Programming Resolution	5 digits
Accuracy	Greater of (±1 Hz or ±0.5% of programmed value) + accuracy of reference clock)
External Test Clock Input
Frequency Range (Configured as Sample Clock)	0 Hz (min); 100 MHz (max)
Frequency Range (Configured as Input to PLL)	8 MHz (min); 10.5 MHz (max)
Pulse Width	40% (min); 60% (max)
Input Level	LVTTL or programmable level using one of the four Aux pin electronics channels.
External Strobe Clock Input
Frequency Range	0 Hz (min); 100 MHz (max)
Logic Levels	LVTTL or programmable level using one of the four Aux pin electronics channels.

External Status and Control Signals
Logic Levels	LVTTL or programmable level using one of the four Aux pin electronics channels.
Trigger Source	Software, PXI trigger bus, External event, External trigger input (overrides Run command)
External Test Clock Enable	Internal (software), External input (via J3 connector)
External Strobe Clock Enable	Internal (software), External input (via J3 connector)
External Event Bus	8 input lines with mask and logic AND conditioning
Pause	External pause input overrides Pause command
Pause Latency	10 clock cycles to acquire data after pause deasserts
Run	Run status indicator (J3 connector)

Parametric Measurement Unit (PMU)
Number of Parametric Measurement Units	32, one per DIO channel 4, one per auxiliary channel (for timing /control & static I/O functions)
Configurations	Force Voltage/Measure Current (FVMI) Force Current/Measure Voltage (FIMV) Force Voltage/Measure Voltage (FVMV) Force Current/Measure Current (FIMI)
Force Voltage Range	-1.5 V to +7 V
Force Voltage Accuracy	±20 mV
Force Voltage Resolution	16 bits
Force Current Ranges	±32 mA, ±8 mA, ±2 mA, ±512 uA, ±128 uA, ±32 uA, ±8 uA, ±2 uA FS
Force Current Accuracy: Compliance Range: +1.75V to +7V @ 32 mA -1.5V to +7V @ no load	±120 uA, 32 mA range ±40 uA, 8 mA range ±5 uA, 2 mA range ±1.2 uA, 512 uA range ±600 nA, 128 uA range ±160 nA, 32 uA range ±80 nA, 8 uA range ±20 nA, 2 uA range
Current Measurement Accuracy (60 Measurements / Sec) Compliance Range: +1.75V to +7V @ 32 mA -1.5V to +7V @ no load	±120 uA, 32 mA range ±40 uA, 8 mA range ±5 uA, 2 mA range ±1.2 uA, 512 uA range ±600 nA, 128 uA range ±160 nA, 32 uA range ±80 nA, 8 uA range ±20 nA, 2 uA range
Measure Voltage Range	-2 V to +7 V
Measure Voltage Accuracy	±1 mV (measurement rate < 200 measurements / sec)
High and Low Commutation Voltage Range	VCLo: -2 V to +5 V VCHi: 0 V to +7 V
Voltage Clamp Accuracy	±100 mV

Power (Idle and Initialized)
+3.3 VDC	4.8 A
+5 VDC	1.48 A
+12 VDC	0.25 A
Note: The GX5295 is a high performance digital instrument and must be used with a PXI chassis that offers adequate cooling and electrical power. To determine the appropriate PXI chassis for your configuration, please contact the factory to discuss your specific application.
Environmental
Operating Temperature	0 °C to +50 °C
Storage Temperature	-20 °C to +70 °C
Size	3U PXI
Weight	200 g
Front Panel Connectors
J1	Digital I/O Signals, type 68-pin VHD connector
J3	Timing & Control Signals, type 68-pin VHD connector
Calibration
Calibration Interval	1 year

Note: Specifications are subject to change without notice.

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