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Logic analyser supports up to 4Gb/s debugging data rates

Posted: 15 Oct 2015 ?? ?Print Version ?Bookmark and Share

Keywords:Keysight Technologies? logic analyser? debug? DDR4? LPDDR4?

Keysight Technologies Inc. has unveiled a logic analyser module that claims to deliver the industry's highest-data-rate state mode (up to 4Gb/s), highest timing mode (10GHz) and deepest memory depth (up to 400MB). The company also unleashed two W4640A series DDR4 BGA interposers with zero insertion force probe/cables, and Soft Touch Pro connectorless probe cables that allow engineers to validate and debug simultaneous read and write DDR4 or LPDDR4 traffic operating at data rates up to 4Gb/s.

The Keysight U4164A logic analyser is geared for engineers who work on high-end digital designs, mobile, computing, DDR/LPDDR memory and server applications. The U4164A combines its state capture speed with the ability to reliably capture data on the industry's smallest eye openings (as small as 100ps by 100mV). These capabilities allow engineers to measure the increasingly fast digital signals used in emerging technologies and validate and troubleshoot their designs with confidence, said the company.

The U4164A logic analyser module has two new modes of operation: quad-sample state mode and 10GHz quarter-channel timing mode. In addition, the U4164A logic analyser module includes added features to help high-speed digital and DDR/LPDDR memory design engineers turn on and debug their systems faster. These include a timing mode deskew control, dual thresholds in dual-sample state mode and clock hysteresis control to adjust the state mode sensitivity to noise on clock inputs.

U4164A logic analyser

U4164A logic analyser and W4641A BGA interposer testing a DUT

The U4164A's additional modes of operation enable novel probing methods including the U4206A Soft Touch Pro direct-connect probe/cable designed exclusively for use with the U4164A. The W4640A series DDR4 two-wing BGA interposers (W4643A for DDR4 x4/x8 and W4641A for DDR4 x16 DRAM probing) take full advantage of quad-sample state mode on the U4164A and are the smallest BGA interposers for DDR4 capable of capturing simultaneous read and write traffic greater than 3.2Gb/s. The U4208A and U4209A probe/cables connect the W4640A Series DDR4 BGA interposers directly into the U4164A logic analyser module with 61-pin high-density zero insertion force connectors at the W4640A wings.

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