MB85RS64TPN-G-AMEWE1

Memory IC Overview

The MB85RS64TPN-G-AMEWE1 is a 64 Kbit (8 K x 8) Ferroelectric Random Access Memory (FeRAM) integrated circuit manufactured by RAMXEED. It utilizes a Serial Peripheral Interface (SPI) for communication and operates within an ambient temperature range of -40°C to +85°C. The device supports a maximum clock frequency of 10 MHz and functions with a supply voltage between 1.8 V and 3.6 V. It is housed in an 8-pin plastic SON package.

Memory IC Feature Summary

• Nonvolatile memory architecture utilizing ferroelectric process technology for data retention without backup batteries.
• High endurance capability supporting up to 10^13 read/write operations per byte, exceeding Flash and E2PROM limits.
• Supports SPI Mode 0 and Mode 3 for serial data input and output synchronization.
• Includes hardware write protection mechanisms via WP pin and status register configuration.

Memory IC Applications

• Data logging systems requiring high endurance and fast write speeds
• Embedded controllers needing nonvolatile storage without battery backup
• Industrial control applications operating within specified temperature ranges

Memory IC Procurement Notes

Verify the specific ordering suffix matches the required package type and shipping format. Confirm that the component meets RoHS compliance standards for your region. Ensure the design accommodates the Moisture Sensitivity Level 3 requirements during assembly. Check for any recent Product Change Notifications regarding material or manufacturing updates.

Memory IC Selection Notes

Select this component when a small footprint is required due to the 8-pin SON package option. Choose this part if the application demands high cycle endurance compared to traditional flash memory. Ensure the system power supply remains within the 1.8 V to 3.6 V range. Verify that the microcontroller supports the necessary SPI modes for communication.

Memory IC Part Context

This component belongs to the MB85RS64T series of FeRAM devices from RAMXEED. RAMXEED continues to support existing products originally developed by Fujitsu Semiconductor Memory Solutions Limited under the same part numbers. The series offers various package options including SOP and SON forms.

Memory IC Replacement Considerations

FM25CL64B-DGTR by Infineon Technologies is listed as a similar replacement option.