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IDT70V657

Renesas
Part Number IDT70V657
Manufacturer Renesas
Description DUAL-PORT STATIC RAM
Published Oct 28, 2021
Detailed Description HIGH-SPEED 3.3V 128/64/32K x 36 ASYNCHRONOUS DUAL-PORT STATIC RAM 70V659/58/57S Features ◆ True Dual-Port memory cells...
Datasheet PDF File IDT70V657 PDF File

IDT70V657
IDT70V657

Overview
HIGH-SPEED 3.
3V 128/64/32K x 36 ASYNCHRONOUS DUAL-PORT STATIC RAM 70V659/58/57S 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 s...


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