AN2014 datasheet(17/65 Pages) STMICROELECTRONICS

Teilenummer	AN2014

Bauteilbeschribung	How a designer can make the most of STMicroelectronics serial EEPROMs

PDF	65 Pages

Scroll/Zoom	100%

Hersteller	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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17 / 65 page

DocID10701 Rev 10

17/65

AN2014

Choosing a suitable EEPROM for your application

2.3

Choosing an appropriate supply voltage and temperature

range

These are essential parameters that will define the device reliability when operating in the

application. The VCC values and the temperature values of the application must always stay

within the limits defined in ST datasheets.

Table 1. Three serial bus protocols

I2C

SPI

MICROWIRE®

ST Families

M24Cxx, 1 Kb to 2 Mb

M95xxx, 1 Kb to 2 Mb

M93Cxx, 1 Kb to 16 Kb

M93Sxx, 1 Kb to 4 Kb

Interface

2 wires: Single I/O line, clock

4 wires: data in, data out,

clock & CS

4 wires: data in, data

out, clock & CS

Clock Rate

(max)

Up to 1 Mb/s

Up to 20 Mb/s

Up to 2 Mb/s

Data

Management

Byte

Page: 16 bytes to 256 bytes

Byte

Page: 16 bytes to 256 bytes

Byte or word

Page: 4 words

Specific

Features

Global write control

Up to 8 devices cascadable

on the same bus

Hold mode (input pin)

Write control for 4 blocks

Block write protection

defined by software for

M93Sxxx family

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