{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"MAX691EPE+","brand":"Analog Devices","brandSlug":"analog-devices","productSlug":"MAX691EPE","canonicalUrl":"https://icboms.com/analog-devices/MAX691EPE","factsUrl":"https://icboms.com/api/mcp/products/MAX691EPE%2B","rawCanonicalId":null},"summary":{"shortDescription":"Analog Devices / Maxim Integrated MAX691EPE+ Battery Backup Circuit, 1 channel supervisor IC, 4.65V threshold, active high/active low reset, push-pull outputs, 35ms min reset timeout, 16-PDIP, -40°C to 85°C.","salesMarkdown":"## Supervisor IC with battery-switchover logic for nonvolatile SRAM The MAX691EPE+ is a single-channel battery backup circuit and supervisor IC from Analog Devices / Maxim Integrated, packaged in a 16-pin DIP (0.300\" width) for through-hole assembly. It monitors a single supply rail at a 4.65V threshold and asserts a reset output when the monitored voltage drops below that level. The reset outputs are available in both active-high and active-low polarity, each driven by a push-pull stage — no external pull-up resistor is needed on either output. The reset remains asserted for a minimum of 35 ms after the supply returns above the threshold, providing a clean power-good window for the downstream processor or memory. The 4.65V threshold is set for a nominal 5 V rail. On a 5 V ±10 % supply, the circuit triggers a reset before the rail drops below the valid operating range of most 5 V logic and SRAM — the supervisor acts before the data in a battery-backed RAM becomes corrupt. The 35 ms minimum reset timeout is long enough to let the supply stabilise after a brown-out or power-up transient, but short enough that the system does not stall unnecessarily on a brief glitch. The single-channel monitor suits designs that need only one voltage rail supervised — typical in embedded systems where a single 5 V supply powers the core logic and battery-backed SRAM, and the supervisor handles both the reset generation and the battery-switchover function. ## Through-hole DIP package and temperature grade The 16-PDIP (0.300\" body width, 7.62 mm) is a through-hole package that fits standard 0.100-inch pitch prototyping boards and sockets.","metaTitle":"MAX691EPE+ Battery Backup Circuit, 4.65V Threshold, 16-PDIP","metaDescription":"MAX691EPE+ from Analog Devices / Maxim Integrated. Battery Backup Circuit, 1 channel, 4.65V threshold, active high/active low reset, 35ms min timeout, 16-PDIP.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Discrete Semiconductors"],"specifications":{"Type":"Battery Backup Circuit","Reset":"Active High/Active Low","Output":"Push-Pull, Push-Pull","Package":"Tube","Mounting Type":"Through Hole","Reset Timeout":"35ms Minimum","Package / Case":"16-DIP (0.300\\\", 7.62mm)","lifecycle_stage":"eol_hot","Voltage - Threshold":"4.65V","Operating Temperature":"-40°C ~ 85°C (TA)","Supplier Device Package":"16-PDIP","Number of Voltages Monitored":"1"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$11.32","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$11.32000","currency":"USD"},{"qty":10,"price":"$10.22800","currency":"USD"},{"qty":25,"price":"$9.75200","currency":"USD"},{"qty":100,"price":"$8.46760","currency":"USD"},{"qty":250,"price":"$8.08708","currency":"USD"},{"qty":500,"price":"$7.37350","currency":"USD"},{"qty":1000,"price":"$6.42208","currency":"USD"}]},"links":{"datasheetUrl":null,"sourceUrl":null},"ai":{"faq":[{"question":"What is the reset output configuration of the MAX691EPE+?","answer":"The MAX691EPE+ provides both active-high and active-low reset outputs, each with a push-pull driver."},{"question":"What compliance documentation does the MAX691EPE+ carry?","answer":"The MAX691EPE+ is ROHS3 compliant. No UL, IEC, or AEC-Q documentation is listed in the available records for this part."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/analog-devices/MAX691EPE","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/analog-devices/MAX691EPE 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}}