{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"25AA040A-I/P","brand":"Microchip Technology","brandSlug":"microchip","productSlug":"25AA040A-I-P","canonicalUrl":"https://icboms.com/microchip/25AA040A-I-P","factsUrl":"https://icboms.com/api/mcp/products/25AA040A-I%2FP","rawCanonicalId":null},"summary":{"shortDescription":"Microchip Technology 25AA040A-I/P SPI EEPROM, 4Kbit (512 x 8), 10 MHz clock, 1.8-5.5V supply, -40°C to 85°C, 8-DIP through-hole, Tube.","salesMarkdown":"## 4 Kbit SPI EEPROM — 10 MHz clock, wide supply, through-hole The 25AA040A-I/P: The 8-DIP through-hole package (8-PDIP) makes it breadboard-friendly and easy to hand-solder in prototypes or low-volume builds, but there is no surface-mount variant in this order code — if your pick-and-place line runs only SMD, you will need the SOIC or TSSOP sibling. ## Active lifecycle — no end-of-life surprise RoHS3 compliant per the manufacturer — no restricted substances above the threshold, so it passes EU and UKCA regulatory checks without an exemption claim.","metaTitle":"Microchip 25AA040A-I/P 4Kbit SPI EEPROM, 10 MHz, DIP-8","metaDescription":"Microchip 25AA040A-I/P 4Kbit SPI EEPROM, 10 MHz clock, 1.8-5.5V supply, -40°C to 85°C, DIP-8. Active production. Quoted to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Discrete Semiconductors"],"specifications":{"Package":"Tube","Technology":"EEPROM","Memory Size":"4Kbit","Memory Type":"Non-Volatile","Memory Format":"EEPROM","Mounting Type":"Through Hole","Package / Case":"8-DIP (0.300\\\", 7.62mm)","Clock Frequency":"10 MHz","lifecycle_stage":"eol_hot","Memory Interface":"SPI","Voltage - Supply":"1.8V ~ 5.5V","Memory Organization":"512 x 8","Operating Temperature":"-40°C ~ 85°C (TA)","Supplier Device Package":"8-PDIP","Write Cycle Time - Word, Page":"5ms"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.66","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$0.66000","currency":"USD"},{"qty":25,"price":"$0.64680","currency":"USD"},{"qty":100,"price":"$0.60420","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/48a9cb79a6bfde314c1e9d5d0915a3f9.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Will 25AA040A-I/P drop into a board specified around AT24C08D-PUM without rewiring?","answer":"No — the AT24C08D-PUM uses an I²C interface, while the 25AA040A-I/P uses SPI. The pinout and bus protocol are different; they are not drop-in replacements. A board spin or firmware change is required."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/microchip/25AA040A-I-P","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/microchip/25AA040A-I-P 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}}