NVRAM vs flash, NAND memory devices, Non volatile SRAM chips - tatanh1983/conchodom GitHub Wiki
MX29F Series 4-Mbit (512 K x 8) 70 ns 5 V Surface Mount Flash Memory - PLCC-32
MX29F Series 4-Mbit (512 K x 8) 70 ns 5 V Surface Mount Flash Memory - PLCC-32