BR93H46RFJ-2CE2

Memory IC Overview

The BR93H46RFJ-2CE2 is an automotive-grade Microwire BUS EEPROM with a 1kbit (64x16bit) capacity. It operates on a single 2.5V to 5.5V supply and supports clock frequencies up to 2MHz. The device features a SOP-J8 package, -40°C to +125°C operating temperature range, and AEC-Q100 qualification. Key electrical parameters include a maximum circuit current of 3mA, standby current of 10μA, write cycle time of 4ms, and data retention of 100 years.

Memory IC Feature Summary

• Conforms to Microwire BUS protocol with address auto-increment during read operations.
• Includes write mistake prevention mechanisms such as power-on prohibition and low-voltage protection.
• Utilizes ROHM original Double-Cell structure for high reliability and extended endurance.
• Provides program condition display via READY/BUSY status indicators.

Memory IC Applications

• Automotive functional safety analysis support
• Storage of configuration data in vehicle electronic control units
• Data logging in automotive sensors requiring wide temperature operation

Memory IC Procurement Notes

Verify the component status before procurement as it is marked as Not Recommended for New Designs (NRND). Confirm that existing designs can accommodate this part while planning for future obsolescence management. Ensure compatibility with the SOP-J8 package dimensions and pin configuration during integration.

Memory IC Selection Notes

Select this component for applications requiring Microwire interface compatibility and automotive grade reliability. Consider the 1kbit capacity and 16-bit word format for specific memory mapping needs. Evaluate the need for AEC-Q100 certification and wide temperature range operation (-40°C to +125°C) for your specific environment.

Memory IC Part Context

This part belongs to the BR93H series of automotive EEPROMs from ROHM Semiconductor. It shares the same package lineup and pin configuration with other variants in the family, facilitating design reuse across different memory densities within the same product line.

Memory IC Replacement Considerations

Check for official substitute part numbers provided by ROHM Semiconductor. Verify pin-to-pin compatibility and electrical parameter equivalence if considering alternative components due to the NRND status.