BR24L256F-WE2 datasheet(3/41 Pages) ROHM

Part #	BR24L256F-WE2

Description	High Reliability Series EEPROMs I2C BUS

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Manufacturer	ROHM [Rohm]

Direct Link	http://www.rohm.com

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3 / 41 page

Technical Note

3/40

www.rohm.com

2009.09 - Rev.D

BR24L□□-W Series,BR24S□□□-W Series

●

Absolute maximum ratings (Ta=25℃)

Parameter

symbol

Limits

Unit

Impressed voltage

VCC

-0.3～+6.5

V

Permissible dissipation

Pd

450 (SOP8)

*1

mW

450 (SOP-J8)

*2

300 (SSOP-B8)

*3

330 (TSSOP-B8)

*4

310 (MSOP8)

*5

310 (TSSOP-B8J)

*6

300 (VSON008X2030)

*7

Storage temperature range

Tstg

-65～+125

℃

Action temperature range

Topr

-40～+85

℃

Terminal voltage

-

-0.3～Vcc+1.0

V

When using at Ta=25℃ or higher, 4.5mW(*1,*2),

3.0mW(*3,*7) 3.3mW(*4),3.1mW(*5,*6) to be reduced per 1℃

●

Memory cell characteristics (Ta=25℃, Vcc=1.8～5.5V)

*1

Parameter

Limits

Unit

Min.

Typ.

Max.

Number of data rewrite times

*2

1,000,000

-

Times

Data hold years

*2

40

-

Years

○

Shipment data all address FFh

*1 BR24L02/16/32-W : 1.7~5.5V

*2 Not 100% TESTED

●

Recommended operating conditions

Parameter

Symbol

Limits

Unit

Power source voltage

Vcc

1.8～5.5

*1

V

Input voltage

VIN

0～Vcc

*1 BR24L02/16/32-W : 1.7~5.5V

●

Electrical characteristics (Unless otherwise specified, Ta=-40～+85℃, VCC=1.8～5.5V)

*1

Parameter

Symbol

Limits

Unit

Conditions

Min.

Typ.

Max.

“HIGH” input voltage 1

VIH1

0.7Vcc

-

Vcc +1.0

*2

V

2.5≦Vcc≦5.5V

“LOW” input voltage 1

VIL1

-0.3

*2

-

0.3 Vcc

V

2.5≦Vcc≦5.5V

“HIGH” input voltage 2

VIH2

0.8Vcc

-

Vcc +1.0

*2

V

1.8≦Vcc＜2.5V

“LOW” input voltage 2

VIL2

-0.3

*2

-

0.2 Vcc

V

1.8≦Vcc＜2.5V

“HIGH” input voltage 3

*3

VIH3

0.8Vcc

-

Vcc +1.0

V

1.7≦Vcc＜1.8V

“HIGH” input voltage 3

*4

VIH3

0.9Vcc

-

Vcc +1.0

V

1.7≦Vcc＜1.8V

“LOW” input voltage 3

*2

VIL3

-0.3

-

0.1 Vcc

V

1.7≦Vcc＜1.8V

“LOW” output voltage 1

VOL1

-

0.4

V

IOL=3.0mA, 2.5V≦Vcc≦5.5V, (SDA)

“LOW” output voltage 2

VOL2

-

0.2

V

IOL=0.7mA, 1.7V≦Vcc＜2.5V, (SDA)

Input leak current

ILI

-1

-

1

μAVIN=0V～Vcc

Output leak current

ILO

-1

-

1

μAVOUT=0V～Vcc, (SDA)

Current consumption at

action

ICC1

-

2.0

*5

mA

Vcc=5.5V,fSCL=400kHz, tWR=5ms,

Byte write, Page write

3.0

*6

ICC2

-

0.5

mA

Vcc=5.5V,fSCL=400kHz

Random read, current read,sequential read

Standby current

ISB

-

2.0

μA

Vcc=5.5V, SDA・SCL=Vcc

A0, A1, A2=GND, WP=GND

◎

Radiation resistance design is not made.

*1 BR24L02/16/32-W : 1.7～5.5V, *2 BR24L16/32-W, *3 BR24L02/16-W, *4 BR24L32-W

*5 BR24L01A/02/04/08/16-W, *6 BR24L32/64-W

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