DS1250W.pdf DS1250W 3.3V 4096k Nonvolatile SRAM www.maxim-ic.com FEATURES PIN ASSIGNMENT § 10 years minimum data retention in the A18 1 32 VCC absence of external power A16 2 31 A15 § Data is automatically protected during power A14 3 30 A17 A12 4 29 WE loss A7 A13 ……