M24512-R datasheet(2/47 Pages) STMICROELECTRONICS

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Description

The M24512 is a 512-Kbit I2C-compatible EEPROM (electrically erasable programmable memory) organized as

64 K × 8 bits.

The M24512-W can operate with a supply voltage from 2.5 V to 5.5 V, the M24512-R can operate with a supply

voltage from 1.8 V to 5.5 V, and the M24512-DF can operate with a supply voltage from 1.7 V to 5.5 V. All these

devices operate with a clock frequency of 1 MHz (or less), over an ambient temperature range of –40 °C / +85 °C.

The M24512-D offers an additional page, named the identification page (128 byte). The identification page can be

used to store sensitive application parameters which can be (later) permanently locked in read-only mode.

Figure 1. Logic diagram

E0-E2

SDA

VCC

M24xxx

SCL

VSS

Table 1. Signal names

Signal name

Function

Direction

E2, E1, E0

Chip enable

Input

SDA

Serial data

I/O

SCL

Serial clock

Input

Write control

Input

VCC

Supply voltage

VSS

Ground

Figure 2. 8-pin package connections, top view

SDA

VSS

SCL

VCC

M24512-W M24512-R M24512-DF

Description

DS6520 - Rev 31

page 2/47

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