M24128-DRMN8TG datasheet(2/41 Pages) STMICROELECTRONICS

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M24128-DRMN8TG Datasheet(PDF) 2 Page - STMicroelectronics

Part #	M24128-DRMN8TG

Description	128-Kbit serial I짼C bus EEPROM - 105째C operation

Download	41 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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Contents

M24128-DRE

2/41

DocID027239 Rev 1

Contents

Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Signal description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.1

Serial Clock (SCL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.2

Serial Data (SDA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.3

Chip Enable (E2, E1, E0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.4

Write Control (WC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.5

VSS (ground) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

2.6

Supply voltage (VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Device operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

3.1

Start condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

3.2

Stop condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

3.3

Data input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

3.4

Acknowledge bit (ACK) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

3.5

Device addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

3.6

Identification page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

4.1

Write operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

4.1.1

Byte Write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

4.1.2

Page Write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

4.1.3

Write Identification Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

4.1.4

Lock Identification Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

4.1.5

Minimizing Write delays by polling on ACK . . . . . . . . . . . . . . . . . . . . . . 19

4.2

Read operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

4.2.1

Random Address Read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

4.2.2

Current Address Read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

4.2.3

Sequential Read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

4.2.4

Read Identification Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

4.2.5

Read the lock status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

4.2.6

Acknowledge in Read mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Similar Part No. - M24128-DRMN8TG

Manufacturer	Part #	Datasheet	Description
STMicroelectronics	M24128-DRMN6	1Mb / 40P	128-Kbit serial I짼C bus EEPROM April 2013 Rev 23
	M24128-DRMN6T	1Mb / 40P	128-Kbit serial I짼C bus EEPROM April 2013 Rev 23
	M24128-DRMN9TG	606Kb / 40P	Automotive 128-Kbit serial IC bus EEPROM with 1 MHz clock
	M24128-DRMN9TP	606Kb / 40P	Automotive 128-Kbit serial IC bus EEPROM with 1 MHz clock

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