Cypress, CY62148ELL-45ZSXI, Memory ICs, Static RAM Asynchronous SRAM

 Cypress CY62148ELL-45ZSXI in Tray. CY62148E Series 4 Mb (512 K x 8) 45 ns 5 V SMT Static RAM - TSOP II-32.

https://www.futureelectronics.com/p/semiconductors--memory--RAM--static-ram--asynchronous/cy62148ell-45zsxi-cypress-5254859