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RAMXEED AEC-Q100 Compliant I2C FeRAM Family

RAMXEED AEC-Q100 Compliant I2C FeRAM Family are 4Kbit to 1Mbit memory products utilizing an I2C interface. The FeRAM Family can operate at temperatures of up to +125°C. The devices are designed for applications that require operation in high-temperature environments. The RAMXEED AEC-Q100 Compliant I2C FeRAM Family is ideal for automotive and industrial applications.

Features

  • Non-volatility
    • Stored data does not disappear when powering off
    • No battery is needed for data retention
  • Low power consumption
    • No booster circuit for a write operation
    • Lower power consumption at writing due to the short writing time
    • No data retention currently to keep the data
  • High read/write endurance
    • Guarantees 100 trillion (1014) read/write cycles
    • 100 million times EEPROM's endurance
  • Fast writing speed
    • Enable overwriting data without an erasing operation
    • No waiting time for erasing/writing operation

Applications

  • Automotive
  • Industrial

Specifications

  • Memory density
    • 1Mbit (131,072 word x 8-bit) (MS85RC1MTY/MS85RC1MLY)
    • 512Kbit (65,536 word x 8-bit) (MB85RC512TY/MB85RC512LY)
    • 256Kbit (32,768 word x 8-bit) (MB85RC256TY/MB85RC256LY)
  • I2C (Inter-Integrated Circuit)
  • Operating Frequency
    • 3.4MHz (high-speed mode)
    • 1MHz (fast mode plus)
  • Operating power supply voltage
    • 1.8V to 3.6V (MS85RC1MTY/MB85RC512TY/MB85RC256TY)
    • 1.7V to 1.95V (MS85RC1MLY/MB85RC512LY/MB85RC256LY)
  • -40°C to +125°C operating temperature
  • 1014 cycles read/write cycle endurance
  • 50.4 years (+85°C), 13.7 years (+105°C), 4.2 years (+125°C) data retention
  • DFN-8 (5mm × 6mm) and SOP-8 (150mil) packages

Datasheets

Comparison between FeRAM & other memories

Chart - RAMXEED AEC-Q100 Compliant I2C FeRAM Family

FeRAM Structure

Infographic - RAMXEED AEC-Q100 Compliant I2C FeRAM Family
Published: 2026-03-17 | Updated: 2026-03-21