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Ideal for a variety of automotive applications such as Advanced Driver Assistance Systems (ADAS), Electric Vehicle (EV) and Hybrid Electric Vehicle (HEV) powertrains, in-vehicle networking and infotainment, devices in our large portfolio of automotive-grade EEPROMs are AEC-Q100 qualified and ISO/TS16949 compliant to meet the rigorous quality, reliability and long product lifecycle requirements of automotive designers.
For design flexibility, we offer EEPROMs with densities ranging from 128 bits up to 1 Mbit that support industry-standard buses including two-wire I2C, three-wire Microwire, four-wire Serial Peripheral Interface (SPI), and our proprietary one-wire UNI/O® bus. These devices also feature operating voltages ranging from 1.7V up to 5.5V and operating temperatures ranging from −40°C to 150°C.
Why Use Microchip’s Serial EEPROMs?
I2C Serial EEPROM
- 128 bit to 1 Mbit densities
- Single supply with operation down to 1.7V
- 100 kHz, 400 kHz, and 1 MHz compatibility
- More than one million erase/write cycles
- Data retention > 200 years
- 8-lead SOIC, 8-lead TSSOP, 8-lead 2 × 3 mm UDFN, 8-lead MSOP and 5-lead SOT-23 packages
- −40°C to 125°C temperature range
SPI Serial EEPROM
- 1 Kbit to 1 Mbit densities
- SPI- compatible modes 0 and 3
- Up to 20 MHz clock frequency
- More than one million erase/write cycles
- Data retention > 200 years
- 8-lead SOIC, 8-lead TSSOP, 8-lead 2 × 3 mm DFN, 8-lead MSOP and 5-lead SOT-23 packages
- −40°C to 150°C temperature range
UNI/O Bus Serial EEPROM
- Innovative 1-wire I/O interface
- 1 Kbit to 16 Kbit densities
- Combined clock and data
- 100 kHz clock frequency
- Software write protect
- More than one million erase/write cycles
- Data retention > 200 years
- 8-lead SOIC, 3-lead SOT-23, 3-lead TO-92, 8-lead TDFN and 8-lead MSOP packages
- −40°C to 125°C temperature range
Pre-Programmed MAC Address and Unique ID EEPROMs
Memory Products
- Microwire® Compatible Serial EEPROM
- I²C Compatible Serial EEPROM
- SPI Compatible Serial EEPROM
- UNI/O™ Serial EEPROM
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Development Tools
MPLAB® Starter Kit for Serial Memory Products
Reduce time to market and create a rock-solid design using the MPLAB Starter Kit for Serial Memory Products. It includes everything necessary to quickly develop a robust and reliable serial EEPROM design and greatly reduces the time required for system integration and hardware/software fine tuning.
