This is preliminary information on a new product foreseen to be developed. Details are subject to change without notice.

May 2015

DocID18391 Rev 4

1/44

M35B32

32 Kbit, 256-byte page, fast program EEPROM memory

accessed by SPI bus interface

Datasheet

Features

• SPI bus compatible serial interface

• 32 Kbit of EEPROM divided into two sectors:

– Data sector

– Event sector

• Large page size: 256 bytes

• Fast programming:

– Event sector: 256 bytes programmed in

less than 1 ms

– Data sector: 256 bytes written in less than

5 ms

• Low energy EEPROM in either Read, Write,

Program or Erase modes

• 2.5 V to 5.5 V single supply voltage

• Operating temperature range:

• – 40°C to +85°C

• – 40°C to +125°C

• Electronic signature: 20 10 0Ch

• Data cycling:

– Data sector: more than 1 Million write

cycles

– Event sector: more than 10 000 write

cycles

• Data retention:

– Data sector: more than 40 years’ data

retention

– Event sector: 1 year

Packages

SO8 (MN)

150 mil width

UFDFPN8 (MC)

2 x 3 mm

TSSOP8 (DW)

169 mil width

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