{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"MAX6389XS29D3+T","brand":"Analog Devices","brandSlug":"analog-devices","productSlug":"MAX6389XS29D3T","canonicalUrl":"https://icboms.com/analog-devices/MAX6389XS29D3T","factsUrl":"https://icboms.com/api/mcp/products/MAX6389XS29D3%2BT","rawCanonicalId":null},"summary":{"shortDescription":"Analog Devices MAX6389XS29D3+T, Multi-Voltage Supervisor, 2-channel, active-low open-drain reset, 2.93V and adjustable thresholds, 140ms min timeout, SC-70-4 package, -40°C to 125°C.","salesMarkdown":"## Dual-voltage supervisor in a 4-pin SC-70 The MAX6389XS29D3+T is a multi-voltage supervisor from Analog Devices that monitors two supply rails — one fixed at 2.93V and a second adjustable via external resistors — and asserts an active-low, open-drain reset output when either falls below its threshold. The reset remains asserted for a minimum of 140ms after both rails recover, giving the system time to stabilize before the processor starts executing code. ## Threshold selection and reset timing The fixed threshold of 2.93V is intended for a 3.0V or 3.3V rail with typical tolerance — the supervisor trips before the rail drops below the processor's minimum operating voltage. The second channel's adjustable input lets the designer set a trip point for a lower-voltage core or I/O supply using a resistor divider. Both channels share a single open-drain output, so the reset signal is the wired-OR of the two undervoltage events. The 140ms minimum reset timeout is long enough to cover most power-supply ramp-up and hold-up capacitor discharge profiles, but short enough that the system does not linger in reset during a brief brownout. ## Sourcing and compliance posture It is available in tape-and-reel or cut-tape formats in the SC-82A/SOT-343 package that maps to a SC-70-4 footprint.","metaTitle":"MAX6389XS29D3+T Multi-Voltage Supervisor SC-70-4 – Analog","metaDescription":"MAX6389XS29D3+T dual-voltage supervisor with 2.93V/adjustable threshold, active-low open-drain output, 140ms timeout, -40°C to 125°C, SC-70-4.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Sensors & Transducers"],"specifications":{"Type":"Multi-Voltage Supervisor","Reset":"Active Low","Output":"Open Drain or Open Collector","Package":"Tape & Reel (TR); Cut Tape (CT)","Mounting Type":"Surface Mount","Reset Timeout":"140ms Minimum","Package / Case":"SC-82A, SOT-343","lifecycle_stage":"eol_hot","Voltage - Threshold":"2.93V, Adj","Operating Temperature":"-40°C ~ 125°C (TA)","Supplier Device Package":"SC-70-4","Number of Voltages Monitored":"2"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$4.98","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$4.98000","currency":"USD"},{"qty":10,"price":"$4.47100","currency":"USD"},{"qty":25,"price":"$4.22680","currency":"USD"},{"qty":100,"price":"$3.66330","currency":"USD"},{"qty":250,"price":"$3.47540","currency":"USD"},{"qty":500,"price":"$3.11848","currency":"USD"},{"qty":1000,"price":"$2.63004","currency":"USD"},{"qty":2500,"price":"$2.49854","currency":"USD"}]},"links":{"datasheetUrl":"https://datasheets.maximintegrated.com/en/ds/MAX6381-MAX6390.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Is MAX6389XS29D3+T ROHS compliant?","answer":"Yes, it is ROHS3 compliant."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/analog-devices/MAX6389XS29D3T","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/analog-devices/MAX6389XS29D3T when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-17T19:50:00.618Z","lastPublished":"2026-07-17T19:50:00.618Z","indexable":true}}