M95P16-I datasheet(3/63 Pages) STMICROELECTRONICS

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Description

The M95P16-I and M95P16-E (hereinafter referred to complessively as M95P16) are manufactured with ST's

advanced proprietary NVM technology. They offer byte flexibility, page alterability, high page cycling performance,

and ultra low power consumption, equivalent to that of EEPROM technology.

These devices are a 16-Mbit SPI page EEPROM, organized as 4096 programmable pages of 512 bytes each,

accessed through an SPI bus, with high-performance dual- and quad-SPI outputs.

The devices offer two additional (identification) 512-byte pages:

•

the first contains identification data and, upon request, the UID

•

the second can be used to store sensitive application parameters, which can (later) be permanently locked

in read-only mode.

Additional status, configuration and volatile registers set the desired device configuration, while the safety register

provides information on the device status.

The M95P16-I operates with a supply voltage from 1.6 to 3.6 V, over an ambient temperature range of

‑40 °C to

+85 °C. The M95P16-E offers an extended temperature range, from

‑40 °C to +105 °C. Both devices support a

clock frequency of up to 80 MHz.

The M95P16 devices offer byte and page write instructions of up to 512 bytes. Write instructions consist in

self-timed auto erase and program operations, resulting in flexible data byte management.

The devices also accept page/block/sector/chip erase commands, to set the memory to an erased state. The

memory can then be fast-programmed by 512-byte pages, and further optimized using the Page program with

buffer load instruction, to hide the SPI communication latency.

Table 1. Signal names

Pad number

Signal name

Function

Direction

Chip select

Input

Q-DQ1

Serial data output / Serial data output 1 for dual / quad

Output

W-DQ2

Write protect / Serial data output 2 for quad

Input / Output

VSS

Ground

D-DQ0

Serial data input / Serial data output 0 for dual / quad

Input / Output

Serial clock

Input

HOLD-DQ3

Hold / Serial data output 3 for quad

Input / Output

VCC

Supply voltage

Figure 1. 8-pin package connections (top view)

MS54388V1

D-DQ0

VSS

HOLD-DQ3

Q-DQ1

VCC

W-DQ2

M95P16

M95P16-I M95P16-E

Description

DS13710 - Rev 1

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