CAT24AA01 데이터 시트보기 (PDF) - Catalyst Semiconductor => Onsemi

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CAT24AA01

1-Kb and 2-Kb I2C CMOS Serial EEPROM

Catalyst Semiconductor => Onsemi 

Figure 5: Byte Write Sequence

CAT24AA01, CAT24AA02

BUS ACTIVITY:

MASTER

S

T

A

R

SLAVE

ADDRESS

T

S

ADDRESS

BYTE

a7 ÷ a0

DATA

BYTE

S

T

O

d7 ÷ d0

P

P

SLAVE

A

A

A

C

C

C

K

K

K

Figure 6: Write Cycle Timing

SCL

SDA

8th Bit

Byte n

ACK

tWR

STOP

CONDITION

START

CONDITION

ADDRESS

Figure 7: Page Write Sequence

BUS ACTIVITY: S

T

A

MASTER R

T

S

SLAVE

ADDRESS

ADDRESS

BYTE

DATA

BYTE

n

DATA

BYTE

n+1

SLAVE

A

A

A

A

C

C

C

C

K

K

K

K

n =1

x ≤ 15

DATA

S

BYTE

T

n+x

O

P

P

A

C

K

Figure 8: WP Timing

ADDRESS

BYTE

DATA

BYTE

1

8

9

1

8

SCL

SDA

a7

a0

d7

d0

tSU:WP

WP

tHD:WP

© Catalyst Semiconductor, Inc.

7

Characteristics subject to change without notice

Doc. No. MD-1120 Rev. B

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