4Mb, High-Speed/Low Power, Async, 512K x 8, 8ns/3.3v, or 10ns, 2.4V-3.6V, 44 Pin TSOP II, Leadfree
4Mb SRAM IC, 10ns, 8b Parallel, 44TSOP II
Async SRAM 512Kx8 4Mbit 10ns 3.3V 44-Pin TSOP-II