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BR25H020FJ-W PDF预览

BR25H020FJ-W

更新时间: 2024-02-10 06:32:23
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

BR25H020FJ-W 技术参数

是否Rohs认证: 符合生命周期:Not Recommended
零件包装代码:SOIC包装说明:LSOP,
针数:8Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.32.00.51
风险等级:5.41最大时钟频率 (fCLK):5 MHz
JESD-30 代码:R-PDSO-G8长度:5 mm
内存密度:2048 bit内存集成电路类型:EEPROM
内存宽度:8功能数量:1
端子数量:8字数:256 words
字数代码:256工作模式:SYNCHRONOUS
最高工作温度:125 °C最低工作温度:-40 °C
组织:256X8封装主体材料:PLASTIC/EPOXY
封装代码:LSOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, LOW PROFILE并行/串行:SERIAL
峰值回流温度(摄氏度):NOT SPECIFIED认证状态:Not Qualified
座面最大高度:1.6 mm串行总线类型:SPI
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):2.5 V
标称供电电压 (Vsup):5 V表面贴装:YES
技术:CMOS温度等级:AUTOMOTIVE
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:4.4 mm最长写入周期时间 (tWC):5 ms
Base Number Matches:1

BR25H020FJ-W 数据手册

 浏览型号BR25H020FJ-W的Datasheet PDF文件第4页浏览型号BR25H020FJ-W的Datasheet PDF文件第5页浏览型号BR25H020FJ-W的Datasheet PDF文件第6页浏览型号BR25H020FJ-W的Datasheet PDF文件第8页浏览型号BR25H020FJ-W的Datasheet PDF文件第9页浏览型号BR25H020FJ-W的Datasheet PDF文件第10页 
Command mode  
Ope code  
BR25H080-W  
BR25H040-W BR25H160-W  
BR25H320-W  
Command  
Contents  
BR25H010-W  
BR25H020-W  
WREN Write enable  
WRDI Write disable  
READ Read  
Write enable command  
Write disable command 0000  
0000  
ж110 0000  
ж100 0000  
ж110  
ж100  
0000  
0000 0100  
0011  
ж010 0000 A8010 0000 0010  
0110  
Read command  
Write command  
Status register read  
command  
Status register write  
command  
0000  
0000  
ж011 0000 A8011 0000  
WRITE Write  
RDSR Read status register  
WRSR Write status register  
0000  
0000  
ж101 0000  
ж101  
0000 0101  
0000 0001  
ж001 0000  
ж001  
Timing chart  
1. Write enable (WREN) / disable (WRDI) cycle  
1. WREN (WRITE ENABLE): Write enable  
CSB  
SCK  
SI  
0
1
2
3
4
5
6
7
0
0
0
0
*1  
1
1
0
High-Z  
SO  
ж1 BR25H010/020/040-W= Don’t care  
BR25H080/160/320-W= “0” input  
Fig.33 Write enable command  
1. WRDI (WRITE DISABLE): Write disable  
CSB  
SCK  
SI  
0
1
2
3
4
5
6
7
0
0
0
0
*1  
1
0
0
High-Z  
SO  
ж1 BR25H010/020/040-W= Don’t care  
BR25H080/160/320-W= “0” input  
Fig.34 Write disable  
This IC has write enable status and write disable status. It is set to write enable status by write enable command, and it is set  
to write disable status by write disable command. As for these commands, set CSB LOW, and then input the respective ope  
codes. The respective commands accept command at the 7-th clock rise. Even with input over 7 clocks, command becomes  
valid.  
When to carry out write and write status register command, it is necessary to set write enable status by the write enable  
command. If write or write status register command is input in the write disable status, commands are cancelled. And even in  
the write enable status, once write and write status register command is executed, it gets in the write disable status. After  
power on, this IC is in write disable status.  
7/16  

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