MB85RS16NPNF-G-JNE1

Memory IC Overview

The MB85RS16NPNF-G-JNE1 is a 16 Kbit Ferroelectric Random Access Memory (FeRAM) integrated circuit manufactured by RAMXEED. It features a memory organization of 2,048 words by 8 bits and utilizes a Serial Peripheral Interface (SPI) for communication. The device supports a maximum operating frequency of 20 MHz and operates within a supply voltage range of 2.7 V to 3.6 V. It is housed in an 8-pin plastic Small Outline Package (SOP). The component functions as a non-volatile memory solution that retains data without backup power, offering high endurance and low power consumption characteristics suitable for various electronic applications.

Memory IC Feature Summary

• Non-volatile storage capability utilizing ferroelectric process technology to retain data without battery support.
• High read/write endurance exceeding standard Flash and EEPROM technologies across specified temperature ranges.
• Supports SPI Mode 0 and Mode 3 with automatic address increment capabilities during sequential operations.
• Includes hardware write protection mechanisms via status register configuration and dedicated control pins.

Memory IC Applications

• Data logging systems requiring frequent write cycles
• Industrial control equipment needing reliable non-volatile storage
• Smart metering devices with low standby current requirements
• Embedded systems utilizing microcontrollers with SPI ports

Memory IC Procurement Notes

Verify the specific ordering suffix to confirm the package type and shipping format, as the JNE1 designation corresponds to the 8-pin SOP tube packaging. Ensure compatibility with the required operating voltage and temperature range for the target application. Confirm moisture sensitivity level handling procedures are followed during assembly. Check for any product change notifications regarding material or manufacturing updates before finalizing procurement plans.

Memory IC Selection Notes

Select this component when high endurance and fast write speeds are prioritized over density. It is suitable for designs requiring operation up to 95°C ambient temperature. Consider the 8-pin SOP package constraints for PCB layout. Evaluate the need for SPI interface compatibility with the host controller. Compare against other FeRAM options if different capacities or interfaces like I2C are required.

Memory IC Part Context

This part belongs to the MB85RS16N family of FeRAM chips from RAMXEED, formerly Fujitsu Semiconductor Memory Solutions Limited. The manufacturer continues to support existing products while maintaining original part numbers. This series is designed to replace SRAM, Flash, and EEPROM in applications demanding high reliability and low power consumption.

Memory IC Replacement Considerations

FM25L16B-G by Infineon Technologies is listed as a similar substitute part number.

Memory IC FAQ

What SPI modes does the MB85RS16NPNF-G-JNE1 support?

The device supports SPI Mode 0 (CPOL=0, CPHA=0) and SPI Mode 3 (CPOL=1, CPHA=1).

How is the chip select pin configured internally?

The Chip Select (CS) pin is pulled up internally to the VDD pin.

What happens to the SO pin when the HOLD pin is active?

When the HOLD pin is at the 'L' level, the SO pin becomes High-Z, and SCK and SI inputs become don't care.