M24C02-R datasheet(37/41 Pages) STMICROELECTRONICS

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Contents

Description ........................................................................2

Signal description .................................................................4

2.1

Serial clock (SCL) .............................................................. 4

2.2

Serial data (SDA) .............................................................. 4

2.3

Chip enable (E2, E1, E0) ........................................................ 4

2.4

Write control (WC).............................................................. 4

2.5

VSS (ground) .................................................................. 4

2.6

Supply voltage (VCC) ........................................................... 4

2.6.1

Operating supply voltage (VCC).............................................. 4

2.6.2

Power-up conditions ...................................................... 5

2.6.3

Device reset ............................................................ 5

2.6.4

Power-down conditions .................................................... 5

Block diagram .....................................................................6

Device operation ..................................................................7

4.1

Start condition ................................................................. 8

4.2

Stop condition ................................................................. 8

4.3

Data input..................................................................... 8

4.4

Acknowledge bit (ACK).......................................................... 8

4.5

Device addressing.............................................................. 9

Instructions ......................................................................10

5.1

Write operations .............................................................. 10

5.1.1

Byte write ............................................................. 11

5.1.2

Page write............................................................. 12

5.1.3

Minimizing write delays by polling on ACK .................................... 13

5.2

Read operations .............................................................. 14

5.2.1

Random address read.................................................... 15

5.2.2

Current address read .................................................... 15

5.2.3

Sequential read......................................................... 15

Initial delivery state ...............................................................16

Maximum rating ..................................................................17

DC and AC parameters ...........................................................18

Package information..............................................................26

9.1

UFDFPN5 (DFN5) package information........................................... 26

9.1.1

UFDFPN5 recommended footprint .......................................... 27

M24C01/02-W M24C01/02-R M24C02-F

Contents

DS9398 - Rev 7

page 37/41

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