M24C64-R datasheet(6/42 Pages) STMICROELECTRONICS

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Description

M24C64-W M24C64-R M24C64-F M24C64-DF

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Doc ID 16891 Rev 27

Description

The M24C64 is a 64-Kbit I2C-compatible EEPROM (Electrically Erasable PROgrammable

Memory) organized as 8 K × 8 bits.

The M24C64-W can operate with a supply voltage from 2.5 V to 5.5 V, the M24C64-R can

operate with a supply voltage from 1.8 V to 5.5 V, and the M24C64-F and M24C64-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 M24C64-D offers an additional page, named the Identification Page (32 bytes). 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

Figure 2.

8-pin package connections

See Section 9: Package mechanical data for package dimensions, and how to identify pin 1.

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

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