64kbit FRAM with SPI serial interface - SOP8 T&R

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Lead Time 12 weeks
Unit Price:$1.08
Minumum Qty: 1
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Fujitsu's MB85RS64 is a 64K Bit 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.

MB85RS64 adopts the Serial Peripheral Interface (SPI).

The MB85RS64 is able to retain data without using a back-up battery, as is needed for SRAM.

The memory cells used in the MB85RS64 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. MB85RS64 does not take long time to write data like Flash memories or E2PROM, and MB85RS64 takes no wait time.

Fujitsu MB85RS64_001.jpg

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


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Bit configuration : 64K Bit (8,192 words 8 bits)
SPI (Serial Peripheral Interface)
- Correspondent to SPI mode 0 (0, 0) and mode 3 (1, 1)
Operating frequency : 20 MHz (Max)
High endurance : 10^12 read/write cycles/byte
Data retention : 10 years ( +85 C), 95 years ( +55 C), over 200 years ( +35 C)
Operating power supply voltage : 2.7 V to 3.6 V
Low power consumption : Operating power supply current 1.5 mA (Typ@20 MHz)
- Standby current 5μA (Typ)
Operation ambient temperature range : -40 C to +85 C
Package : 8-pin plastic SOP (FPT-8P-M02) RoHS compliant


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Operating Temp
-40 to +85 °C
Package Details
8-pin SOP
RAM Size
64 KBytes
3.6 MAX V
2.7 MIN V

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