128kbit FRAM with I2C serial interface - SOP8 T&R

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The Fujitsu MB85RS128A is a 128K Bit FRAM (Ferroelectric Random Access Memory) chip in a configuration of 16,384 words ×8 bits, using the ferroelectric process and silicon gate CMOS process technologies for forming the nonvolatile memory cells.

MB85RS128A adopts the Serial Peripheral Interface (SPI).

The MB85RS128A is able to retain data without using a back-up battery, as is needed for SRAM.

The memory cells used in the MB85RS128A can be used for 1012 read/write operations, which is a significant improvement over the number of read and write operations supported by Flash memory and E²PROM. MB85RS128A does not take long time to write data like Flash memories or E²PROM, and MB85RS128A takes no wait time.

Fujitsu MB85RC128A_001.jpg

Symmetry Electronics (and its e-commerce division: SemiconductorStore.com) is an authorized Fujitsu distributor.


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Bit configuration: 128K Bit (16,384 words 8)
Serial Peripheral Interface : SPI (Serial Peripheral Interface)
- Correspondent to SPI mode 0 (0, 0) and mode 3 (1, 1)
Operating frequency : 25 MHz (Max)
High endurance : 1012 times / byte
Data retention : 10 years (+55 C), 55 years (+35 C)
Operating power supply voltage : 3.0 V to 3.6 V
Low power consumption : Operating power supply current 5 mA (Typ @25 MHz)
- Standby current 9μA (Typ)
Operation ambient temperature range : -40 C to +85 C
Package : 8-pin plastic SOP (FPT-8P-M02)
- RoHS compliant

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128kbit FRAM with I2C serial interface - SOP8 T&R