Memory FRAM 128K (16K x 8) Bit SPI

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MB85RS128TY is a FRAM (Ferroelectric Random Access Memory) chip in a configuration of 16,384 words x 8 bits, using the ferroelectric process and silicon gate CMOS process technologies for forming the nonvolatile memory cells. This product is specifically targeted for high-temperature environment such as automotive applications.

MB85RS128TY adopts the Serial Peripheral Interface (SPI).

The MB85RS128TY is able to retain data without using a back-up battery, as is needed for SRAM.

The memory cells used in the MB85RS128TY can be used for 1013 read/write operations, which is a significant improvement over the number of read and write operations supported by Flash memory and E2PROM.

As MB85RS128TY does not need any waiting time in writing process, the write cycle time of MB85RS128TY is much shorter than that of Flash memories or E2PROM.

Symmetry Electronics is an authorized Fujitsu Electronics distributor.


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Bit configuration : 16,384 words x 8 bits
Serial Peripheral Interface : SPI (Serial Peripheral Interface)
Correspondent to SPI mode 0 (0, 0) and mode 3 (1, 1)
Operating frequency : 33 MHz (Max)
High endurance : 1013 times / byte
Data retention : 10 years (+85 C), 1 to 3 (TBD) years (+125 C)
Operating power supply voltage : 1.8 V to 3.6 V
Low power consumption : Operating power supply current 2.3 mA (Max@33 MHz)
Standby current 45 A (Max)
Sleep current 12 A (Max)
Operation ambient temperature range : - 40 C to +125 C
Package : 8-pin plastic SOP (FPT-8P-M10)
AEC-Q100 Grade 1 compliant
RoHS compliant

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Memory FRAM 128K (16K x 8) Bit SPI
Memory FRAM 128K (16K x 8) Bit SPI