{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"MAX3222ECDBR","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"MAX3222ECDBR","canonicalUrl":"https://icboms.com/texas-instruments/MAX3222ECDBR","factsUrl":"https://icboms.com/api/mcp/products/MAX3222ECDBR","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments MAX3222ECDBR, RS-232 Transceiver, Full Duplex, 500 kbps, 3V to 5.5V, 2/2 Drivers/Receivers, 300 mV Hysteresis, 20-SSOP, 0°C to 70°C.","salesMarkdown":"## 500 kbps RS-232 transceiver with wide supply tolerance The Texas Instruments MAX3222ECDBR is a full-duplex RS-232 transceiver in a 20-SSOP package, rated for 500 kbps data rate and operating from a 3V to 5.5V supply. It integrates two drivers and two receivers with 300 mV receiver hysteresis for noise margin on the bus. ## Supply voltage and 5V tolerance check The supply range covers 3V to 5.5V, so the MAX3222ECDBR is natively 5V tolerant on the supply pin. On the logic side, the RS-232 driver outputs swing to the supply rails, and the receiver inputs accept RS-232 levels up to ±25V per the protocol; the logic I/O levels track VCC. If the design runs a 5V rail, this part handles it directly. For 3.3V-only systems, the 3V minimum ensures compatibility without a separate regulator.","metaTitle":"MAX3222ECDBR RS-232 Transceiver, 500 kbps, 20-SSOP","metaDescription":"MAX3222ECDBR is a full-duplex RS-232 transceiver with 500 kbps data rate, 3V-5.5V supply, 2/2 drivers/receivers, 300 mV hysteresis. Active lifecycle.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Interface & Transceivers"],"specifications":{"Mfr":"Texas Instruments","Type":"Transceiver","Duplex":"Full","Series":"-","Package":"Tape & Reel (TR); Cut Tape (CT)","Protocol":"RS232","Data Rate":"500kbps","Mounting Type":"Surface Mount","Package / Case":"20-SSOP (0.209\\\", 5.30mm Width)","Product Status":"Active","lifecycle_stage":"eol_hot","Voltage - Supply":"3V ~ 5.5V","Base Product Number":"MAX3222","Receiver Hysteresis":"300 mV","Operating Temperature":"0°C~70°C","Supplier Device Package":"20-SSOP","Number of Drivers/Receivers":"2/2"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$2.4000","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/445041c92021f26997981b64349fda77.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/MAX3222ECDBR/alternatives.json"},"ai":{"faq":[{"question":"What is the data rate of MAX3222ECDBR?","answer":"The MAX3222ECDBR supports a data rate of 500 kbps, sufficient for standard RS-232 communication at speeds up to 500 kbit/s."},{"question":"Is MAX3222ECDBR 5V tolerant?","answer":"Yes, the MAX3222ECDBR operates from a 3V to 5.5V supply, so it is fully 5V tolerant on the supply pin and logic I/O track VCC."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/MAX3222ECDBR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/MAX3222ECDBR when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:49:49.435Z","lastPublished":"2026-08-11T15:49:49.435Z","indexable":true}}