M24C16-W(2010) 데이터 시트보기 (PDF) - STMicroelectronics

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M24C16-W
(Rev.:2010)

16 Kbit, 8 Kbit, 4 Kbit, 2 Kbit and 1 Kbit serial I²C bus EEPROM

STMicroelectronics 

Signal description

Figure 6. I²C bus protocol

SCL

SDA

Start

condition

M24C16, M24C08, M24C04, M24C02, M24C01

SDA

Input

SDA

Change

Stop

condition

SCL

SDA

1

2

3

MSB

Start

condition

7

8

9

ACK

SCL

1

2

3

7

8

9

SDA

MSB

ACK

Stop

condition

AI00792c

Table 3.

Device select code

Device type identifier(1)

Chip Enable(2),(3)

RW

b7

b6

b5

b4

b3

b2

b1

b0

M24C01 select code

1

0

1

0

E2

E1

E0

RW

M24C02 select code

1

0

1

0

E2

E1

E0

RW

M24C04 select code

1

0

1

0

E2

E1

A8

RW

M24C08 select code

1

0

1

0

E2

A9

A8

RW

M24C16 select code

1

0

1

0

A10

A9

A8

RW

1. The most significant bit, b7, is sent first.

2. E0, E1 and E2 are compared against the respective external pins on the memory device.

3. A10, A9 and A8 represent most significant bits of the address.

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Doc ID 5067 Rev 16

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