EPPROM选型
1，atmel被microchip收购，美国微芯官网
https://www.microchip.com/sitesearch/search/All/eeprom?start=0&rows=50
最近芯片行业形势：
ST的暴涨 ATMEL的无人问津（主要针对主控MCU芯片） https://www.amobbs.com/thread-5742586-1-1.html
AT24CXX 的I2C编程原理
https://www.docin.com/p-44882030.html
2，ON安森美
https://www.onsemi.cn/products/memory/eeprom-memory
3，ST
STM32 32位 STM8 8位 mcu
https://www.stmcu.com.cn/product
EEPROM (I2C总线和SPI总线)
https://www.st.com/content/st_com/en/search.html#q=EEPROM-t=products-page=1
EEPROM
EEPROM 选型列表
ATMEL - I²C EEPROM
型号容量接口结构工作电压(V)特点其它属性AT24C02B2KbitI2C256×81.8-5.5full memory Write Protect支持8个器件地址AT24C02C2KbitI2C256×81.7-5.5full memory Write Protect支持8个器件地址AT24C04B4KbitI2C512×81.8-5.5full memory Write Protect支持4个器件地址AT24C08B8KbitI2C1024×81.8-5.5full memory Write Protect支持2个器件地址AT24C16B16KbitI2C2048×81.8-5.5full memory Write Protect支持1个器件地址AT24C16C16KbitI2C2048×81.7-5.5full memory Write Protect支持8个器件地址AT24C32C32KbitI2C4096×81.8-5.5full memory Write Protect支持8个器件地址AT24C64B64KbitI2C8192×81.8-5.51/4 memory Write Protect支持8个器件地址AT24C64C64KbitI2C8192×81.8-5.5full memory Write Protect支持8个器件地址AT24C64D64KbitI2C8192×81.7-5.5full memory Write Protect支持8个器件地址AT24C128B128KbitI2C16384×81.8/2.7-5.5full memory Write Protect支持8个器件地址AT24C128C128KbitI2C16384×81.7-5.5full memory Write Protect支持8个器件地址AT24C256B256KbitI2C32768×81.8/2.7-5.5full memory Write Protect支持8个器件地址AT24C256C256KbitI2C32768×81.7-5.5full memory Write Protect支持8个器件地址AT24C512B512KbitI2C65536×81.8-3.6/2.5-5.5full memory Write Protect支持8个器件地址AT24C512C512KbitI2C65536×81.7-3.6/2.5-5.5full memory Write Protect支持8个器件地址AT24C1024B1024KbitI2C131,072×81.8-3.6/2.5-5.5full memory Write Protect支持4个器件地址
ATMEL - 3-wire EEPROM
型号容量接口结构工作电压特点AT93C46D1Kbit3-WIRE128×8 或 64×161.8V-5.5V用户可选内部结构AT93C56A2Kbit3-WIRE256×8 或 128×161.8V-5.5V 或 2.7V-5.5V用户可选内部结构AT93C66A4Kbit3-WIRE512×8 或 256×161.8V-5.5V 或 2.7V-5.5V用户可选内部结构AT93C86A16Kbit3-WIRE2048×8 或 1024×161.8V-5.5V 或 2.7V-5.5V用户可选内部结构
DALLAS - 1-wire EEPROM
型号容量接口结构工作电压特点DS24311Kbit1-Wire256×42.8V-5.25V带写保护模式DS28E01-1001Kbit1-Wire256×42.8V-5.25V带写保护模式