{"product_id":"at24c256n-256kbit-i2c-serial-eeprom-ic-sop8-24c256-5pcs","title":"AT24C256N 256Kbit I²C Serial EEPROM IC SOP-8 – Pack of 5 (24C256)","description":"\u003ch2\u003eAT24C256N 256Kbit I²C Serial EEPROM IC — SOP-8, 32KB, 400kHz, 5-Pack\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eAT24C256N (24C256)\u003c\/strong\u003e is a 256Kbit (32KB) I²C serial EEPROM from Microchip (formerly Atmel), widely used for non-volatile data storage in Arduino data loggers, embedded system configuration, calibration data, and industrial equipment. With 400kHz I²C speed, 1 million write endurance, and 100-year data retention, it is the industry-standard choice for reliable embedded storage in SOP-8 SMD package.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eAT24C256N (24C256)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacity\u003c\/td\u003e\n\u003ctd\u003e256Kbit = 32KB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eI²C (2-wire: SDA + SCL)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax I²C Speed\u003c\/td\u003e\n\u003ctd\u003e400kHz (Fast Mode)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e2.7V – 5.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI²C Address Range\u003c\/td\u003e\n\u003ctd\u003e0x50 – 0x57 (A0–A2 configurable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePage Write Size\u003c\/td\u003e\n\u003ctd\u003e64 bytes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWrite Cycle Time\u003c\/td\u003e\n\u003ctd\u003e5ms (max)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWrite Endurance\u003c\/td\u003e\n\u003ctd\u003e1,000,000 cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Retention\u003c\/td\u003e\n\u003ctd\u003e100 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWrite Protect Pin\u003c\/td\u003e\n\u003ctd\u003eYes (WP pin)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eSOP-8 (SOIC-8)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack Quantity\u003c\/td\u003e\n\u003ctd\u003e5 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eSOP-8 Pin Configuration\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePin\u003c\/th\u003e\n\u003cth\u003eName\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1–3\u003c\/td\u003e\n\u003ctd\u003eA0–A2\u003c\/td\u003e\n\u003ctd\u003eI²C address selection (0x50–0x57)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003eVSS\u003c\/td\u003e\n\u003ctd\u003eGround\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003eSDA\u003c\/td\u003e\n\u003ctd\u003eI²C data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003eSCL\u003c\/td\u003e\n\u003ctd\u003eI²C clock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003ctd\u003eWP\u003c\/td\u003e\n\u003ctd\u003eWrite protect (HIGH = protected)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003eVCC\u003c\/td\u003e\n\u003ctd\u003eSupply voltage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose AT24C256N?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003e32KB capacity\u003c\/strong\u003e — stores thousands of sensor readings or configuration parameters\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eUp to 8 ICs on one I²C bus\u003c\/strong\u003e — expandable to 256KB total storage\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e1 million write cycles\u003c\/strong\u003e — long service life for data logging applications\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e100-year data retention\u003c\/strong\u003e — reliable non-volatile storage\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eWrite protect pin\u003c\/strong\u003e — hardware protection against accidental writes\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e5-pack value\u003c\/strong\u003e — spares for prototyping and production\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eArduino data logger non-volatile storage\u003c\/li\u003e\n\u003cli\u003eEmbedded system configuration and calibration data\u003c\/li\u003e\n\u003cli\u003eUser preferences and settings storage\u003c\/li\u003e\n\u003cli\u003eIndustrial equipment parameter storage\u003c\/li\u003e\n\u003cli\u003eCascaded I²C EEPROM for up to 256KB total storage\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e5 × AT24C256N (24C256) 256Kbit I²C EEPROM IC (SOP-8)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991436349675,"sku":"\u003cnone\u003e","price":8.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/at24c256n-sop8-eeprom-ic-chip-24c256-serial-memory-smd.webp?v=1761879627","url":"https:\/\/keszoox.com\/products\/at24c256n-256kbit-i2c-serial-eeprom-ic-sop8-24c256-5pcs","provider":"Keszoox","version":"1.0","type":"link"}