M37S64A-15

128K Dynamic RAM (DRAM) integrated circuit - Memory Capacity: 128 Kilobits (128K) total, structured from two stacked 64K x 1 chips.Organization: 64K x 1-Bit per layer (effectively doubling density on the same board footprint).Speed/Access Time: 150 nanoseconds (ns), denoted by the -15 suffix.Package Type: 16-pin Dual In-line Package (DIP) with a unique double-decker physical layout