64 K (8 K × 8) Bit I²C

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The MB85RC64TA is an FRAM (Ferroelectric Random Access Memory) chip in a configuration of 8,192 words × 8 bits, using the ferroelectric process and silicon gate CMOS process technologies for forming the nonvolatile memory cells.

Unlike SRAM, the MB85RC64TA is able to retain data without using a data backup battery.

The read/write endurance of the nonvolatile memory cells used for the MB85RC64TA has improved to be at least 1013 cycles, significantly outperforming Flash memory and E2PROM in the number.

The MB85RC64TA does not need a polling sequence after writing to the memory such as the case of Flash memory or E2PROM.

Symmetry Electronics is an authorized Fujitsu Electronics distributor.


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Bit configuration : 8,192 words 8 bits
Two-wire serial interface : Fully controllable by two ports: serial clock (SCL) and serial data (SDA)
Operating frequency : 3.4 MHz (Max @HIGH SPEED MODE)
Read/write endurance : 1013 times / byte
Data retention : 10 years ( + 85 C), 95 years ( + 55 C), over 200 years ( + 35 C)
Operating power supply voltage : 1.8 V to 3.6 V
Low power consumption : Operating power supply current 170 A (Typ @3.4 MHz)
Standby current 8 A (Typ)
Sleep current 4 A (Typ)
Operation ambient temperature range : - 40 C to + 85 C
Package : 8-pin plastic SOP (FPT-8P-M09)
8-pin plastic SON (LCC-8P-M04)
RoHS compliant

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64 K (8 K × 8) Bit I²C
64 K (8 K × 8) Bit I²C