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MB85RQ4ML Datasheet 4m (512k X 8) Bit Quad Spi

Manufacturer: Fujitsu Semiconductor Limited

Overview: FUJITSU SEMICONDUCTOR DATA SHEET Memory FRAM DS501-00043-2v0-E 4 M (512 K × 8) Bit Quad SPI MB85RQ4ML.

General Description

MB85RQ4ML is a FRAM (Ferroelectric Random Access Memory) chip in a configuration of 524,288 words × 8 bits, using the ferroelectric process and silicon gate CMOS process technologies for forming the nonvolatile memory cells.

MB85RQ4ML adopts the Quad Serial Peripheral Interface (QSPI) which can realize a high bandwidth such as Read and Write at 54 MB/s using four bi-directional pins (Quad I/O).

The MB85RQ4ML is able to retain data without using a back-up battery, as is needed for SRAM.

Key Features

  • Bit configuration : 524,288 words × 8 bits.
  • Serial Peripheral Interface : SPI (Serial Peripheral Interface) / Quad SPI Correspondent to SPI mode 0 (0, 0) and mode 3 (1, 1).
  • Write supports : Single data input / Quad data input / Quad address and data input / QPI mode.
  • Read supports : Single data output / Fast single data output / Fast quad data output / Fast quad address input and data output / QPI mode / XIP mode.
  • Operating frequency : 1.

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