FeRAM Product DetailsWide Voltage Range SPI FeRAM Family

Outline

This memory product group supports high memory capacity of up to 4Mbit.
They support operating voltages of 1.8V to 3.6V, enabling operation over a wide range of voltages.
This product uses a Serial Peripheral Interface (SPI).

Example Use Cases

Specifications

Memory density	4 Mbit (524,288 word x 8 bit) (MB85RS4MT) 2 Mbit (262,144 word x 8 bit) (MB85RS2MTA) 1 Mbit (131,072 word x 8 bit) (MB85RS1MT) 512 Kbit (65,536 word x 8 bit) (MB85RS512T) 64 Kbit (8,192 word x 8 bit) (MB85RS64T)
Interface	SPI (Serial Peripheral Interface)
Operating Freq.	40MHz (MB85RS4MT/MB85RS2MTA) 30MHz (MB85RS1MT/MB85RS512T) 10MHz (MB85RS64T)
Operating power supply voltage	1.8V～3.6V *1
Operating temperature	1.8V～3.6V *1
Read / write cycle endurance	1013 cycles
Data retention	10 years (+85°C), 95 years (+55°C), 200 years or more (+35°C)
Package	MB85RS4MT：SOP-8 (208mil) MB85RS2MTA：SOP-8 (208mil/150mil) MB85RS1MT：SOP-8 (150mil)、DFN-8 (5mm×6mm)、WL-CSP MB85RS512T：SOP-8 (150mil) MB85RS64T：SOP-8 (150mil)、 SON-8 (2mmx3mm)

*1 MB85RS1MT WL-CSP package models support operation at 1.7V – 3.6V.
MB85RS64MT SOP-8 package models support operation at 1.7V – 3.6V.