News Release from: Omega Research
Edited by the Electronicstalk Editorial Team on 2 April 2002
Adapters take QFPs up to 240 pins
Two new QFP footprint adapters offer a lower cost alternative to manufacturers' development boards.
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Two new QFP footprint adapters offer a lower cost alternative to manufacturers' development boards. Complementing Omega Research's existing range of prototyping adapters, these new additions extend the footprint coverage to include QFP devices up to 240 pins. Ideally suited to many CPLD devices, the smaller of the two parts, the QFP128SA will accommodate packages with pin pitches of either 0.8 or 1.0mm, and with pin counts of between 32 and 128.
Pads are tracked to user connections, which are arrays of 1.0mm diameter, plated through holes on a 0.1in grid.
This allows users to select their preferred connection method, and minimises cost.
The symmetric tracking and absence of via holes optimises electrical performance.
Larger devices are accommodated by the second new part, the QFP240SA, which will match pin pitches of either 0.65 or 0.5mm, and with pin counts of between 152 and 240 pins.
Originally aimed at prototyping use, it is likely that these adapters will also find applications in small volume, or one-off products, allowing designers to use high-end processors in low specification boards.
Omega introduced the concept of the universal one-adapter-fits-many approach, allowing a reduced inventory for the same package coverage, thereby allowing all parts to be available from stock, minimising lead times.
The extensive Om-Adapt range now includes adapters, which will accommodate QFP packages up to 144 pins (0.5 and 0.65mm pin pitch), SOIC, SSOP, MSOP, QSOP, TSOP, TSSOP, US8, uMAX8, uMAX10, and all versions of the SOT23 and SC70.
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