M95256-WMN6TP

The M95256 devices are electrically erasable programmable memories (EEPROMs) organized as 32768 x 8 bits,
accessed through the SPI bus.
The M95256-W can operate with a supply voltage from 2.5 V to 5.5 V, the M95256-R can operate with a supply
voltage from 1.8 V to 5.5 V and the M95256-DF can operate with a supply voltage from 1.7 V to 5.5 V, over an
ambient temperature range of -40 °C / +85 °C.
The M95256-DF, -DR or -DW (hereinafter referred to as M95256-Dx) offer an additional page, named the
Identification page (64 bytes). The Identification page can be used to store sensitive application parameters
that can be (later) permanently locked in read-only mode.

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    SPECIFICATION

    • Compatible with the serial peripheral interface (SPI) bus
    • Memory array
    – 256-Kbit (32 Kbytes) of EEPROM
    – Page size: 64 bytes
    – Additional write lockable page (Identification page)
    • Write time
    – Byte Write within 5 ms
    – Page Write within 5 ms
    • Write protect
    – quarter array
    – half array
    – whole memory array
    • High-speed clock: 20 MHz
    • Single supply voltage:
    – 2.5 V to 5.5 V for M95256-W
    – 1.8 V to 5.5 V for M95256-R
    – 1.7 V to 5.5 V for M95256-DF
    • Operating temperature range: from -40 °C up to +85 °C
    • Enhanced ESD protection
    • More than 4 million Write cycles
    • More than 200-year data retention
    • Packages
    – SO8N (ECOPACK2)
    – TSSOP8 (ECOPACK2)
    – UFDFPN8 (ECOPACK2)
    – WLCSP8 (ECOPACK2)