CY7C138 Datasheet | Cypress

CY7C138 CY7C1394K x 8/9 Dual-Port Static RAM with Sem, Int, Busy CY7C138 CY7C139 Features - True Dual-Ported memory cells that allow simultaneous reads of the same memory location - 4K x 8 organization (CY7C138) - 4K x 9 organization (CY7C139) - 0.65-micron CMOS for optimum speed/power - High-speed access: 15 ns - Low operating power: ICC = 160 mA (max.) - Fully asynchronous operation - Automatic power-down - TTL patible - Expandable data bus to 32/36 bits or more using Master/Slave chip select when using more than one device - On-chip arbitration logic - Semaphores included to permit software handshaking between ports - INT flag for port-to-port munication - Available in 68-pin...