IDT70V658S

HIGH-SPEED 3.3V IDT70V659/58/57S 128/64/32K x 36 ASYNCHRONOUS DUAL-PORT STATIC RAM LEAD FINISH (SnPb) ARE IN EOL PROCESS - LAST TIME BUY EXPIRES JUNE 15, 2018 Features ◆ True Dual-Port memory cells which allow simultaneous access of the same memory location ◆ High-speed access – Commercial: 10/12/15ns (max.) – Industrial: 12/15ns (max.) ◆ Dual chip enables allow for depth expansion without external logic ◆ IDT70V659/58/57 easily expands data bus width to 72 bits or more using the Master/Slave select when cascading more than one device ◆ M/S = VIH for BUSY output flag on Master, M/S = VIL for BUSY input on Slave ◆ Busy and Interrupt Flags ◆ On-chip port arbitration logic ◆ Full on-chip hardware support of semaphore signaling between ports ◆ Fully asynchronous operation from either port ◆ Separate byte controls for multiplexed bus and bus matching compatibility ◆ Supports JTAG features compliant to IEEE 1149.1 ◆ LVTTL-compatible, single 3.3V (±150mV) p...