IDT70V27L

HIGH-SPEED 3.3V 32K x 16 DUAL-PORT STATIC RAM IDT70V27S/L Features: x True Dual-Ported memory cells which allow simultaneous access of the same memory location x High-speed access – Industrial: 35ns (max.) – Commercial: 15/20/25/35/55ns (max.) x Low-power operation – IDT70V27S Active: 500mW (typ.) Standby: 3.3mW (typ.) – IDT70V27L Active: 500mW (typ.) Standby: 660µW (typ.) x Separate upper-byte and lower-byte control for bus matching capability x Dual chip enables allow for depth expansion without external logic Functional Block Diagram R/WL UBL CE0L CE1L OEL LBL x IDT70V27 easily expands data bus width to 32 bits or more using the Master/Slave select when cascading more than one device x M/S = VIH for BUSY output flag on Master, M/S = VIL for BUSY input on Slave x Busy and Interrupt Flags x On-chip port arbitration logic x Full on-chip hardware support of semaphore signaling between ports x Fully asynchronous operation from either port x LVTTL-compatible, single 3.3V (±0....