Datasheet > BR25H256F-2ACE2

BR25H256F-2ACE2

更新时间： 2024-01-06 01:47:33

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
38页	1195K
描述
Operation SPI BUS EEPROM

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中文翻译

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数据手册

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BR25H256F-2ACE2 数据手册

Datasheet

Serial EEPROM Series Automotive EEPROM

125°C Operation SPI BUS EEPROM

BR25H256-2AC

General Description

BR25H256-2AC is a 256Kbit Serial EEPROM of SPI BUS interface method.

Features

■ SPI BUS interface (CPOL, CPHA)=(0,0), (1,1)

Packages W(Typ) x D(Typ) x H(Max)

■ Voltage Range

: 2.5V to 5.5V

: -40°C to +125°C

: 10MHz(Max)

: 4ms(Max)

■ Operating Range

■ Clock Frequency

■ Write Time

■ Page Size

: 64bytes

■ Bit Format

: 32768 x 8bit

■ 64bytes Write Lockable Identification Page (ID Page)

■ Address Auto Increment Function at Read Operation

■ Auto Erase and Auto End Function at Data Rewrite

■ Write Protect Block Setting by Software

Memory Array 1/4, 1/2, Whole

SOP8

SOP-J8

4.90mm x 6.00mm x 1.65mm

5.00mm x 6.20mm x 1.71mm

■ HOLD Function by HOLDB Pin

■ Low Supply Current

Write Operation (5V) : 1.0mA (Typ)

Read Operation (5V) : 1.2mA (Typ)

Standby State(5V)

: 0.1µA (Typ)

■ Prevention of Write Mistake

Write prohibition at Power On

Write prohibition by WPB Pin

Write prohibition Block Setting

Prevention of Write Mistake at Low Voltage

■ Write Cycles

: 1,000,000 Write Cycles (Ta≤85°C)

500,000 Write Cycles (Ta≤105°C)

300,000 Write Cycles (Ta≤125°C)

■ Data Retention : 100 Years (Ta≤25°C)

: 60 Years (Ta≤105°C)

: 50 Years (Ta≤125°C)

■ Data at Shipment

Memory Array

ID Page

：FFh

：2Fh, 00h, 0Fh

：FFh

First 3 Addresses

Other Addresses

Status Register WPEN, BP1, BP0 ：0, 0, 0

Lock Status LS ：0

■ SOP8, SOP-J8 Packages

■ AEC-Q100 Qualified

〇Product structure : Silicon monolithic integrated circuit 〇This product has no designed protection against radioactive rays

www.rohm.com

TSZ22111・14・001

TSZ02201-0R1R0G100200-1-2

09.Sep.2014 Rev.001

1/34

12 3 4 5 6 7...38

中文翻译

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