MB85RS2MTPF-G-JNERE2

Memory IC Overview

The MB85RS2MTPF-G-JNERE2 is a 2 Mbit (256 K × 8) Ferroelectric Random Access Memory (FRAM) utilizing the SPI interface. It operates within a supply voltage range of 1.8 V to 3.6 V and supports clock frequencies up to 25 MHz, with fast read commands reaching 40 MHz at higher voltages. The device features high endurance of 10^13 write cycles and data retention exceeding 10 years at +85 °C. It is housed in an 8-pin plastic SOP package and functions as an SPI slave.

Memory IC Feature Summary

• Non-volatile memory architecture using ferroelectric process technology for battery-free data retention
• High endurance capability supporting 10^13 read/write operations per byte
• Serial Peripheral Interface (SPI) support compatible with Mode 0 and Mode 3 protocols
• Integrated block protection and write protect mechanisms via status register configuration

Memory IC Applications

• Data logging systems requiring frequent write cycles
• Industrial control applications needing reliable non-volatile storage
• Embedded systems utilizing SPI communication interfaces

Memory IC Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and check for specific manufacturing date codes relevant to your production timeline. Ensure proper handling procedures are followed due to moisture sensitivity classification. Review datasheet specifications carefully before integration into final designs.

Memory IC Selection Notes

Select this component when high endurance and low power consumption are critical requirements. It is suitable for applications replacing Flash or EEPROM where write speed and cycle life are limiting factors. Ensure the host microcontroller supports SPI Mode 0 or Mode 3. Verify voltage levels match the 1.8 V to 3.6 V operating range of the system.

Memory IC Part Context

This part belongs to the MB85RS2MT series of FRAM devices manufactured by RAMXEED (formerly Fujitsu Semiconductor). It offers a 2 Mbit capacity in an 8-pin SOP package. The series is designed for applications demanding high reliability and fast random access times without the wear-out issues associated with traditional flash memory technologies.

Memory IC Replacement Considerations

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