IDT70V639S
IDT70V639S is HIGH-SPEED 3.3V 128K x 18 ASYNCHRONOUS DUAL-PORT STATIC RAM manufactured by Integrated Device Technology.
HIGH-SPEED 3.3V 128K x 18 ASYNCHRONOUS DUAL-PORT STATIC RAM x
PRELIMINARY IDT70V639S
Features
True Dual-Port memory cells which allow simultaneous access of the same memory location High-speed access
- mercial: 10/12/15ns (max.)
- Industrial: 12/15ns (max.) Dual chip enables allow for depth expansion without external logic IDT70V639 easily expands data bus width to 36 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
UBL LBL x x x x x x x x x x x x x...
