BR24T-E datasheet(5/22 Pages) ROHM

Part #	BR24T-E

Description	Other devices than EEPROM can be connected to the same port, saving microcontroller port

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Manufacturer	ROHM [Rohm]

Direct Link	http://www.rohm.com

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5 / 22 page

Technical Note

5/21

BR24T□□□□Series

www.rohm.com

2011.03 - Rev.A

●Characteristic data (The following values are Typ. ones.)

0

0.5

1

1.5

2

2.5

3

3.5

01

23

4

56

SUPPLY VOLTAGE : Vcc(V)

0

0.5

1

1.5

2

2.5

0

1

234

56

SUPPLY VOLTAGE : Vcc(V)

-0.1

0.1

0.3

0.5

0.7

0.9

1.1

012

3456

SUPPLY VOLTAGE : Vcc(V)

0.1

1

10

100

1000

10000

01

234

56

SUPPLY VOLTAGE : Vcc(V)

-200

-150

-100

-50

0

50

01

234

56

SUPPLY VOLTAGE : Vcc(V)

0

0.2

0.4

0.6

0.8

1

01

23

45

6

SUPPLY VOLTAGE : Vcc(V)

0

0.5

1

1.5

2

2.5

01

23

45

6

SUPPLY VOLTAGE : Vcc(V)

Fig.9 Current consumption at WRITE operation ICC1

(fscl=400kHz BR24T01/02/04/08/16/32/64-W)

Fig.10　Current consumption at WRITE operation Icc1

(fscl=400kHz BR24T128/256-W)

Fig.14　Stanby operation ISB

(fscl=400kHz BR24T01/02/04/08/16/32/64/128/256-W)

Fig.17 Data clock High Period tHIGH

0

0.3

0.6

0.9

1.2

1.5

012

3

456

SUPPLY VOLTAGE : Vcc（V）

Fig.18 Data clock Low Period　tLOW

0

0.2

0.4

0.6

0.8

1

01

23

45

6

SUPPLY VOLTAGE : Vcc(V)

Fig.19 Start Condition Hold Time tHD : STA

Fig.20　Start Condition Setup Time　tSU : STA

Fig.21　Input Data Hold Time tHD : DAT（HIGH）

Fig.22　Input Data Hold Time ｔHD : DAT(LOW）

Fig.23　Input Data Setup Time ｔSU: DAT(HIGH)

-200

-150

-100

-50

0

50

012

3456

SUPPLY VOLTAGE : Vcc(V)

-200

-100

0

100

200

300

01

234

56

SUPPLY VOLTAGE : Vcc(V)

Fig.16　SCL frequency fSCL

Fig.12 Current consumption at READ operation ICC2

(fscl=400kHz BR24T01/02/04/08/16/32/64/128/256-W)

0

1

2

3

4

5

6

0123456

SUPPLY VOLTAGE : Vcc(V)

Fig.11　Current consumption at WRITE operation Icc1

(fscl=400kHz BR24T512/1M-W)

0

0.1

0.2

0.3

0.4

0.5

0.6

012

34

56

SUPPLY VOLTAGE : Vcc(V)

Fig.13 Current consumption at READ operation ICC2

(fscl=400kHz BR24T512/1M-W)

Fig.15　Stanby operation ISB

(fscl=400kHz BR24T512/1M-W)

0

0.1

0.2

0.3

0.4

0.5

0.6

01

23

45

6

SUPPLY VOLTAGE : Vcc(V)

0

0.5

1

1.5

2

2.5

01

23

4

56

SUPPLY VOLTAGE : Vcc(V)

Ta=-40℃

Ta=25℃

Ta=85℃

Ta=-40℃

Ta=25℃

Ta=85℃

Ta=-40℃

Ta=25℃

Ta=85℃

Ta=-40℃

Ta=25℃

Ta=85℃

Ta=-40℃

Ta=25℃

Ta=85℃

Ta=-40℃

Ta=25℃

Ta=85℃

Ta=-40℃

Ta=25℃

Ta=85℃

Ta=-40℃

Ta=25℃

Ta=85℃

Ta=-40℃

Ta=25℃

Ta=85℃

Ta=-40℃

Ta=25℃

Ta=85℃

Ta=-40℃

Ta=25℃

Ta=85℃

Ta=-40℃

Ta=25℃

Ta=85℃

SPEC

The plan for

inserting data.

(BR24T512/1M-W)

The plan for

inserting data.

(BR24T512/1M-W)

The plan for

inserting data.

(BR24T512/1M-W)

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