SRAM 512Kx8 ASYNCHRONOUS 3.3V CMOS SRAM
IDT71V424S Series 4 Mb (512 K x 8) 3.6 V 10 ns CMOS Static RAM - TSOP II-44
IDT 4Mb TSOP Surface Mount SRAM, 10ns Access Time, -40°C to 85°C
