The DS1270AB-100# from Analog Devices Inc./Maxim Integrated is a non-volatile SRAM (NVSRAM) memory Integrated Circuit with 16Mbit parallel memory, 100 ns access time, in a 36-EDIP package.
The DS1270AB-70IND from Analog Devices Inc./Maxim Integrated is a 16Mbit parallel NVSRAM (non-volatile SRAM) memory Integrated Circuit with 70 ns access time, in a 36-EDIP package.
The DS1270AB-70 from Analog Devices Inc./Maxim Integrated is a non-volatile SRAM (NVSRAM) memory Integrated Circuit with 16 Mbit capacity and a parallel interface, rated at 70 ns, in a 36-EDIP package.