The '027' indicates 270K logic elements (LEs), 'H' refers to a specific speed grade or density, '3' is likely a revision or feature code, 'F34' specifies the FBGA-1152 package with 384 I/O pins. 'I2' indicates the industrial temperature range (-40°C to +100°C), and 'SG' denotes a specific stepping or grade. The prefix '10AX' identifies the device as an Intel (formerly Altera) Arria 10 GX series FPGA.