The Cypress CY7C1381D-100BZI is an 18 Mbit synchronous SRAM organized 512K x 36, clocked at 100 MHz with an 8.5 ns access time. It operates from a 3.135 V to 3.6 V supply and is rated over the -40°C to 85°C industrial temperature range.
This part is marked obsolete by Cypress.
