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71V2556SA Datasheet 3.3v Synchronous Srams

Manufacturer: Renesas

Overview: 128K x 36 3.3V Synchronous ZBT™ SRAMs 2.5V I/O, Burst Counter Pipelined Outputs 71V2556S.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The IDT71V2556 is a 3.3V high-speed 4,718,592-bit (4.5 Megabit) synchronous SRAM.

It is designed to eliminate dead bus cycles when turning the bus around between reads and writes, or writes and reads.

Thus, they have been given the name ZBTTM, or Zero Bus Turnaround.

Key Features

  • 128K x 36 memory configurations.
  • Supports high performance system speed - 166 MHz (3.5 ns Clock-to-Data Access).
  • ZBTTM Feature - No dead cycles between write and read cycles.
  • Internally synchronized output buffer enable eliminates the need to control OE.
  • Single R/W (READ/WRITE) control pin.
  • Positive clock-edge triggered address, data, and control signal registers for fully pipelined.

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