BR24T128FJ-W数据手册集成电路（IC）的存储器规格书PDF

描述 Description

ROHM的串行EEPROM按照世界高水平为用户准备了多种容量、接口和封装形式，在世界上具有较高的市场占有率。ROHM的串行EEPROM配置有世界标准的总线形式（Microwire、I²C、SPI），而且工作电源电压范围宽（1.7 ～ 5.5V、1.8 ～ 5.5V、2.5 ～ 5.5V、3.0 ～ 3.6V），还适合采用电池供电。整个系列均是无铅产品，符合RoHS指令。

特性 Features

• Completely conforming to the world standard I²C BUS. All controls available by 2 ports of serial clock (SCL) and serial data (SDA)
• Other devices than EEPROM can be connected to the same port, saving microcontroller port
• 1.6V to 5.5V Single Power Source Operation most suitable for battery use
• 1.6V to 5.5V wide limit of operating voltage, possible FAST MODE 400KHz operation
• Page Write Mode useful for initial value write at factory shipment
• Self-timed Programming Cycle
• Low Current Consumption
• Prevention of Write Mistake
Write (Write Protect) Function Added
Prevention of Write Mistake at Low Voltage
• More than 1 million write cycles
• More than 40 years data retention
• Noise filter built in SCL / SDA terminal
• Initial delivery state FFh