Renesas Electronics 70V657S
The 70V659/58/57 can support an operating voltage of either 3.3V or 2.5V on one or both ports, controlled by the OPT pins. The power supply for the core of the device (VDD) remains at 3.3V.| Part No. | 70V657S |
|---|---|
| Datasheet | 70V657S Download |
| Manufacturer |  Renesas Electronics |
| Description | DUAL-PORT STATIC RAM |
| Buy | Stock & Price |
FEATURES
● True Dual-Port memory cells which allow simultaneous access of the same memory location● High-speed access – Commercial: 10/12/15ns (max.) – Industrial: 12ns (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) power supply for core
● LVTTL-compatible, selectable 3.3V (±150mV)/2.5V (±100mV) power supply for I/Os and control signals on each port
● Available in a 208-pin Plastic Quad Flatpack, 208-ball fine p...
