Where can I find the coplanarity specification (flatness from edge to edge) for Altera devices? - Where can I find the coplanarity specification (flatness from edge to edge) for Altera devices? Description Altera ® follows JEDEC standard (JESD22-B108A) for coplanarity (flatness from edge to edge). For further information, refer to Coplanarity Test for Surface-Mount Semiconductor Devices (PDF). Custom Fields values: ['novalue'] Troubleshooting novalue False ['novalue'] ['novalue'] novalue novalue ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue']