32Kx8 SRAM, 100ns, 5V, CMOS, SOP-28
UPD43256AGU-10LL Nec DC93
28-Pin Commercial Temperature SRAM IC, 5V, 0.04mA, 120ns Access Time
28-Pin Commercial SRAM IC, 5V, 0.045A, 85ns Access Time, R-PDSO-G28
