描述 Description

ROHM的串行EEPROM按照世界高水平為用戶準(zhǔn)備了多種容量、接口和封裝形式，在世界上具有較高的市場占有率。ROHM的串行EEPROM配置有世界標(biāo)準(zhǔn)的總線形式（Microwire、I2C、SPI），而且工作電源電壓范圍寬（1.7 ～ 5.5V、1.8 ～ 5.5V、2.5 ～ 5.5V、3.0 ～ 3.6V），還適合采用電池供電。整個系列均是無鉛產(chǎn)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