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2011.03 - Rev.C

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Automotive Serial EEPROMs

125℃ SPI BUS ICs

BR35□□□□ Family

BR35H□□□-WC Series

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Description

BR35H□□□-WC Series is a SPI BUS interface method serial EEPROM.

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Features

1) High speed clock operation up to 5MHz(Max.)

2) 2.5V to 5.5V single power source operation most suitable for battery use.

3) Page write mode useful for initial value at factory shipment.

4) Highly reliable connection by Au pad and Au wire.

5) For SPI bus interface (CPOL,CPHA)=(0,0),(1,1)

6) Auto erase and auto end function at data rewrite.

7) Low operating current

At write operation (5V): 0.6mA(Typ.)

At read operation (5V): 1.3mA(Typ.)

At standby operation (5V): 0.1μA(Typ.)

8) Address auto increment function at read operation.

9) Write mistake prevention function

Write prohibition at power on.

Write prohibition by command code (WRDI)

Write mistake prevention function at low voltage.

10) MSOP8 / TSSOP-B8 / SOP8 / SOP-J8 Package.

11) Data at shipment Memory array:FFh.

12) Data Retention : 20 years(Ta≦125℃)

13) Endurance : 300,000 cycles(Ta≦125℃)

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Page Write

Number of pages

32Byte

64Byte

Product number

BR35H160-WC

BR35H320-WC

BR35H640-WC

BR35H128-WC

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BR35H□□□ Series

Capacity

Bit Format

Product Name

Supply

Voltage

MSOP8

TSSOP-B8

SOP8

SOP-J8

16Kbit

2K×8

BR35H160-WC

2.5～5.5V

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32Kbit

4K×8

BR35H320-WC

2.5～5.5V

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64Kbit

8K×8

BR35H640-WC

2.5～5.5V

-

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128Kbit

16Kx8

BR35H128-WC

2.5～5.5V

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-

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No.11001ECT09