Serial EEPROM

Device FamilySummary BenefitApplicationsTechnologiesKey Parameters
2-Wire (I2C™-compatible)I2C compatible Cascadable up to 8 devices on same bus Global write protection Byte/Page writable Simplest protocol High-endurance and high-reliabilityData storage in applications such as portable consumer products, HDCP, Gaming, Cameras, DIMMs, LCD Monitors, LCD TVs and Monitors, LED TVs and Monitors, Wireless LAN, Hearing Aids, Bluetooth, Energy meters, etcLow voltage operation Hardware write protection Automotive Grade available1-kbit to 1-Mbit Up to 1MHz operation As low as 1.7V operation Fast 5ms built in erase/write cycle 8-lead SOIC and UDFN VFBGA and WLCSP options
SPISPI compatible Utilizing individual Chip Selects, multiple devices can reside on the same bus Global write protection Byte/Page writable More Robust protocol High-endurance and high-reliabilityData storage in applications such as Mobile Electronics, Wireless LAN, Motherboards and Computer Peripherals, White Goods, Safety and Engine Control Units, Industrial Equipment, etc.Low voltage operation Hardware/software array write protection Automotive Grade Available1-Kbit to 1-Mbit Up to 20MHz operation As low as 1.7V operation Fast 5ms built in erase/write cycle 8-lead SOIC and UDFN VFBGA and WLCSP options
Single-WireOnly 2 pins needed: SI/O and GND Plug and play 64-bit Serial Number Cascadable up to 8 devices on same bus Software follows an I2C Protocol Structure Security Register for critical system data High-endurance and high-reliabilityBatteries for compliance with IEEE 1725, Battery chargers, Speakers, Inkjet and laser printer cartridge identification, Cabling requiring electronic identification, Sensors for storage of calibration dataByte/Page writable Highest level of ESD protection Low voltage operation Granular array write protection scheme1-Kbit Density Up to 125kpbs transmission rate As low as 1.7V operation Fast 5ms built in erase/write cycle 8-lead SOIC, 3-lead SOT23, and 4-ball WLCSP options
3-Wire (Microwire™ compatible)Microwire compatible User selectable memory architecture Software Write Protection High-endurance and high-reliabilityData storage in applications such as portable consumer products ,Camera, Gaming, LCD TV, Motherboards, White Goods, Airbags, Security, DECT/Cordless Phones, etc.Low voltage operation 8-bit or 16-bit word size Automotive Grade Available1-Kbit to 16-Kbit Up to 2MHz operation As low as 1.7V operation Fast 5ms built in erase/write cycle 8-lead SOIC and TSSOP VFBGA and WLCSP options
Automotive Serial EEPROMsI2C, Microwire and SPI compatible Automotive temperature grade, ISO/TS16949 CertificationAutomotive subsystems including: Airbags, Anti-Lock Brake System, Audio Dash Board, Driver Information System Engine Control, Multimedia, Telematics/Navigation, Tire PressureByte and page writable Flexible data storage Low-power and low-voltage Memory array write protection1Kb to 256Kb Up to 20MHz operation with SPI products Extended VCC range from 2.5V to 5.5V -40°C to 125°C operating temperature range 8-lead SOIC and TSSOP package options User selectable x8 or x16 memory organization with software write protection on Microwire-compatible devices
MAC/EUI and Serial NumberProvides unique 48-bit or 64-bit MAC/EUI addresses Provides unique 128-bit serial numbers Lowers overall costs and overhead Simplifies design No loss of user EEPROM memory space I2C-compatibleNetwork connected applications requiring serialization of products and / or MAC / EUI address values such as consumer, gaming, TV’s, industrial, white goods, medical, metering communications, and lightingLow voltage operation Flexible hardware and software write protection Industrial-grade products48-bit or 64-bit MAC / EUI addresses supported 128-bit unique serial number 1Kb to 8Kb user serial EEPROM memory Wide Vcc range, 1.7V to 5.5V Flexible package options: SOIC, DFN, SOT23, TSSOP