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Extra EEPROM memory - I2C Qwiic - 512kb - SparkFun COM-18355

Index: SPF-20236 EAN: 5904422352233
The board created by SparkFun, equipped with additional CAT24C512 EEPROM memory. The board with 512 kb of EEPROM can be used with modules that do not have built-in RAM, such as SAMD21 chips. The module with EEPROM can store GPS data and user settings that must be stored between sketch uploads. The module uses the I2C interface for communication via the Qwiic connector or the leads on the board.
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Manufacturer: SparkFun

Product description: Additional EEPROM memory - I2C Qwiic - 512kb - SparkFun COM-18355

A board created by SparkFun, equipped with additional EEPROM CAT24C512 memory. Board with 512kb (64 kB) EEPROM memory can be used with modules that don't have built-in RAM, e.g. SAMD21 chips. The module with EEPROM can store GPS data and user settings that must be stored between sketch uploads. The module uses the I2C interface for communication via the Qwiic connector or leads on the board.

The CAT24C512 chip is a 512 kb Flash EEPROM, organized as 65536 words of 8 bits with a 128-byte page write buffer. The built-in ECC (error correction code) makes the memory suitable for high reliability applications. The chip also features write protection, which halts a write operation by pulling up the WP pin to high. The address pins allow up to eight CAT24C512 chips to be connected on the same I2C bus. I2C address can be selected using appropriate jumper on the board.

Moduł dodatkowej pamięci EEPROMPins of additional EEPROM memory module.

Board pinouts

SparkFun module with additional EEPROM memory communicates through I2C interface using Qwiic connector or pins located on the board. Additionally, the module has protection against overwriting data in memory.

  • WP - pin pulled up to high state protects module from data writing.
  • GND - ground.
  • 3.3V - supply voltage 3.3 V.
  • SDA - I2C bus data line.
  • SCL - I2C bus clock line.

Manufacturer prepared user guide with library for Arduino.

Specifications of the module with EEPROM memory

  • Chip: CAT24C512
  • Supply voltage: 3,3 V
  • Capacity: 512 kb
  • Current consumption:
    • During reading: 1 mA
    • when writing: 1.8 mA to 2.5 mA
  • Write buffer: 128 b
  • Endurance: 1,000,000 programming/erase cycles
  • Data storage: up to 100 years
  • Write-protection
  • I2C address (7-bit):
    • default: 0x50
    • configurable: 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57
  • 2 x Qwiic connectors
Moduł z pamięcią EEPROMModule with additional 512 kb EEPROM memory.

Same-day shipping

  • Crediting the payment for the order on our account on a business day before 10:00 AM means sending the goods on the same day.
  • All packages are being delivered by GLS Group courier and covered with insurance up to 1200 EUR.
  • You will receive a link to track your package and monitor the progress of delivery as soon as it is shipped.

Terms of delivery 

GLS - zone 1

Austria, Belgium, Croatia, The Czech Republic, Denmark, Germany, Netherlands, Poland, Slovakia 

  • Delivery time: 2-4 days
  • Delivery cost: from 4.18 EUR
  • Insurance: 1200 EUR
GLS - zone 2

Bulgaria, Estonia, France, Hungary, Italy, Latvia, Lithuania, Luxembourg, Portugal, Romania, San Marino, Slovenia

  • Delivery time: 2-5 days
  • Delivery cost: from 5.35 EUR
  • Insurance: 1200 EUR
GLS - zone 3

Finland, Greece, Ireland, Lichtenstein, Spain, Sweden 

  • Delivery time: 2-7 days
  • Delivery cost: from 7.67 EUR
  • Insurance: 1200 EUR

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