{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"AT93C56B-XHM-B","brand":"Microchip Technology","brandSlug":"microchip","productSlug":"AT93C56B-XHM-B","canonicalUrl":"https://icboms.com/microchip/AT93C56B-XHM-B","factsUrl":"https://icboms.com/api/mcp/products/AT93C56B-XHM-B","rawCanonicalId":null},"summary":{"shortDescription":"Microchip Technology AT93C56B-XHM-B serial EEPROM, 2Kbit, 3-Wire interface, 2 MHz clock, 1.7V-5.5V supply, -40°C to +85°C, 8-TSSOP package, Bulk.","salesMarkdown":"## 2Kbit serial EEPROM, 3-Wire bus, 8-TSSOP The AT93C56B-XHM-B is a 2Kbit serial EEPROM from Microchip Technology, organized as 256 x 8 or 128 x 16 bits, accessed over a 3-Wire serial interface. The 1.7V minimum supply lets this part run directly from a single Li-ion cell through most of its discharge curve, and the 5.5V ceiling covers legacy 5V logic rails without a level translator on the supply side.","metaTitle":"Microchip AT93C56B-XHM-B 2Kbit EEPROM, 3-Wire, 8-TSSOP","metaDescription":"Microchip AT93C56B-XHM-B 2Kbit serial EEPROM, 3-Wire interface, 2 MHz clock, 1.7V-5.5V supply, -40°C to +85°C, 8-TSSOP. Active, ROHS3. Sourced per RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Discrete Semiconductors"],"specifications":{"Package":"Bulk","Technology":"EEPROM","Memory Size":"2Kbit","Memory Type":"Non-Volatile","Memory Format":"EEPROM","Mounting Type":"Surface Mount","Package / Case":"8-TSSOP (0.173\\\", 4.40mm Width)","Clock Frequency":"2 MHz","lifecycle_stage":"eol_hot","Memory Interface":"3-Wire Serial","Voltage - Supply":"1.7V ~ 5.5V","Memory Organization":"256 x 8, 128 x 16","Operating Temperature":"-40°C ~ 85°C (TA)","Supplier Device Package":"8-TSSOP","Write Cycle Time - Word, Page":"5ms"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.3","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$0.30000","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/815a1edcae51d19bf596dbf60047c5c2.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the closest functional second-source to AT93C56B-XHM-B?","answer":"The AT24C08D-SSHM-B is a peer 8Kbit EEPROM in a similar 8-pin SOIC package, but it uses an I²C interface instead of the 3-Wire serial bus on the AT93C56B-XHM-B. The different interface means they are not drop-in replacements — the board layout and firmware driver must match the bus protocol."},{"question":"What compliance documentation does Microchip provide for AT93C56B-XHM-B?","answer":"Microchip certifies this part as ROHS3 compliant. No UL, IEC, or REACH documentation is listed in the available records. Standard Microchip EEPROM datasheets include the ROHS declaration and material composition data."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/microchip/AT93C56B-XHM-B","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/microchip/AT93C56B-XHM-B when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-22T19:45:10.375Z","lastPublished":"2026-07-22T19:45:10.375Z","indexable":true}}