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24AA256UID

256K I2C Serial EEPROM with EUI-48™, EUI-64™ and Unique 32-Bit Serial Number

Microchip Technology 

24AA256UID

FIGURE 6-1:

BYTE WRITE

Bus Activity

Master

SDA Line

S

T

A

R

Control

Byte

T

Address

High Byte

Address

Low Byte

S

T

Data

O

P

Bus Activity

S

1

0

1

0

A

2

A

1

A

0

0

x

P

x = “don’t care” bit

A

A

A

A

C

C

C

C

K

K

K

K

FIGURE 6-2:

PAGE WRITE

S

Bus Activity

Master

T

A

Control

R

Byte

Address

High Byte

Address

Low Byte

SDA Line

T

S

1

0

1

0

A

2

A

1

A

0

0

x

Bus Activity

A

A

x = “don’t care” bit

C

C

K

K

Data Byte 0

A

A

C

C

K

K

S

T

Data Byte 63

O

P

P

A

C

K

DS20005215C-page 10

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