8 Mbytes of Flash Memory on a single size IP; Organized in 1 bank of 8 Mbytes (16 bit wide), 64 sectors of 128 Kbytes (16 bit wide); Interrupt support on program / erase cycles; Guaranteed min. erase and program cycle endurance: 1,000,000 cycles; No connections to IP I/O connector; Operating temperature -40°C to +85°C

2 Mbytes of SRAM Memory organized in 2 banks of 1 Mbyte (16 bit wide); Nonvolatile controller converts SRAM into non-volatile memory; On board battery holder with lithium battery (type CR2430, 285mAh); Automatically switches to battery backup supply when Vcc supply drops; Interrupt support on battery low; Battery life time 8 years typical @ +25°C; Operating temperature -40°C to +85°C (TIP255-10x-ET)