MB85RS2MTPF-G-JNE2

Memory IC Overview

The MB85RS2MTPF-G-JNE2 is a 2 Mbit Ferroelectric Random Access Memory (FRAM) integrated circuit manufactured by RAMXEED. It features a memory organization of 262,144 words by 8 bits and utilizes a Serial Peripheral Interface (SPI). The device operates within a supply voltage range of 1.8 V to 3.6 V and supports a maximum clock frequency of 25 MHz for standard commands, with fast read operations reaching up to 40 MHz at voltages between 2.7 V and 3.6 V. It is housed in an 8-pin plastic Small Outline Package (SOP) and functions reliably across an ambient temperature range of -40 °C to +85 °C.

Memory IC Feature Summary

• Nonvolatile data retention capability without requiring backup power supplies
• High endurance supporting up to 10^13 read/write operations per byte
• Supports SPI Mode 0 and Mode 3 communication protocols
• Includes block protection and write protect functionalities via status register

Memory IC Applications

• Data logging systems requiring frequent write cycles
• Industrial control applications needing high reliability
• Embedded systems utilizing microcontrollers with SPI ports

Memory IC Procurement Notes

Verify the manufacturer designation on the component marking against official RAMXEED documentation. Confirm that the package type matches the specified 8-pin SOP dimensions. Ensure compliance with environmental regulations such as RoHS requirements before integration into final assemblies.

Memory IC Selection Notes

Select this component when designing circuits that demand extensive write endurance beyond Flash or EEPROM limits. Ensure the system voltage remains within the 1.8 V to 3.6 V operating range. Verify that the host controller supports the required SPI modes and clock frequencies for optimal performance.

Memory IC Part Context

This part belongs to the MB85RS2MT FRAM family produced by RAMXEED. It serves as a nonvolatile memory solution replacing traditional SRAM or Flash in applications where speed and durability are critical. The device integrates ferroelectric memory cells with CMOS technology for efficient data storage.

Memory IC Replacement Considerations

Infineon Technologies CY15B102QN-50SXIT is listed as a similar substitute part number.