MB85RS2MLYPNF-G-AWERE2

Memory IC Overview

The MB85RS2MLYPNF-G-AWERE2 is a 2 Mbit (262,144 words x 8 bits) Ferroelectric Random Access Memory (FeRAM) integrated circuit manufactured by RAMXEED. It utilizes the Serial Peripheral Interface (SPI) for communication and supports operating frequencies up to 50 MHz. The device operates within a supply voltage range of 1.7 V to 1.95 V and functions across an ambient temperature range of -40°C to +125°C. It is housed in an 8-pin plastic SOP package with a lead pitch of 1.27 mm.

Memory IC Feature Summary

• High endurance capability supporting 10^13 read/write operations per byte.
• Includes a unique 64-bit serial number region and a special sector region resistant to reflow conditions.
• Supports SPI Mode 0 and Mode 3 for flexible system integration.
• Features nonvolatile data retention without requiring backup batteries.

Memory IC Applications

• Data logging in high-temperature industrial environments
• Configuration storage in embedded systems
• Secure identification using unique serial numbers

Memory IC Procurement Notes

Verify that the specific ordering suffix matches the required packaging format. Confirm the voltage range compatibility with the target application's power supply. Ensure the interface timing requirements align with the microcontroller's SPI controller capabilities before finalizing procurement.

Memory IC Selection Notes

Select this component when high write endurance and fast write speeds are critical compared to Flash or EEPROM alternatives. Consider the narrow 1.7 V to 1.95 V supply voltage requirement during system design. Evaluate the need for the special sector and unique ID features for specific security or reliability applications.

Memory IC Part Context

This part belongs to the MB85RS2M family of FeRAM devices from RAMXEED, formerly Fujitsu Semiconductor Memory Solutions Limited. The series offers nonvolatile memory solutions designed for applications requiring high durability and rapid access times. The product maintains original Fujitsu part numbering conventions while transitioning under the RAMXEED brand.

Memory IC Replacement Considerations

Check datasheets for alternative FeRAM parts with similar SPI interfaces and voltage ranges. Verify pinout compatibility and ensure equivalent endurance ratings if substituting in existing designs.