Datasheet > BR25H320-WE2

BR25H320-WE2

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
罗姆 - ROHM		可编程只读存储器电动程控只读存储器电可擦编程只读存储器
页数	文件大小	规格书
17页	1148K
描述
HIGH GRADE Specification HIGH RELIABILITY series SPI BUS Serial EEPROMs Supply voltage 2.5V~5.5V Operating temperature -40∑C ~ +125∑C type

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数据手册

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BR25H320-WE2 数据手册

TECHNICAL NOTE

HIGH GRADE Specification HIGH RELIABILITY series

SPI BUS Serial EEPROMs

Supply voltage 2.5V~5.5V

Operating temperature -40°C ~ +125°C type

☆

BR25H010-W, BR25H020-W, BR25H040-W, BR25H080-W, BR25H160-W, BR25H320-W

☆ : Under development

●Description

^BR25H□□□-W series is a serial EEPROM of SPI BUS interface method.

●Features

● High speed clock action up to 5MHz (Max.)

● Wait function by HOLDB terminal.

● Part or whole of memory arrays settable as read only memory area by program.

● 2.5～5.5V single power source action most suitable for battery use.

● Page write mode useful for initial value write at factory shipment.

● Highly reliable connection by Au pad and Au wire.

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

● Auto erase and auto end function at data rewrite.

● Low current consumption

●Page write

Number of

pages

16 Byte

32 Byte

At write action (5V)

At read action (5V)

: 1.5mA (Typ.)

: 1.0mA (Typ.)

BR25H010-W

BR25H020-W

BR25H040-W

BR25H080-W

BR25H160-W

BR25H320-W

Product

number

At standby action (5V) : 0.1μA (Typ.)

● Address auto increment function at read action

● Write mistake prevention function

Write prohibition at power on.

Write prohibition by command code (WRDI).

Write prohibition by WPB pin.

Write prohibition block setting by status registers (BP1, BP0)

Write mistake prevention function at low voltage.

● SOP8, SOP-J8 Package

● Data at shipment Memory array: FFh, status register WPEN, BP1, BP0 : 0

● Data kept for 40 years.

● Data rewrite up to 1,000,000times.

●BR25H series

Power source

Capacity Bit format

Type

SOP8 SOP-J8

voltage

2.5~5.5V

1Kbit

2Kbit

128×8

256×8

512×8

1K×8

2K×8

4Kx8

BR25H010-W

BR25H020-W

BR25H040-W

BR25H080-W

BR25H160-W

BR25H320-W

●

4Kbit

8Kbit

16Kbit

32Kbit

Ver A. Aug. 2007

12 3 4 5 6 7...17

中文翻译

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