{"id":9717,"date":"2026-07-05T09:39:18","date_gmt":"2026-07-05T09:39:18","guid":{"rendered":"https:\/\/materialparts.com\/sp3232ebey-l-tr\/"},"modified":"2026-07-05T09:39:18","modified_gmt":"2026-07-05T09:39:18","slug":"sp3232ebey-l-tr","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/sp3232ebey-l-tr\/","title":{"rendered":"SP3232EBEY-L\/TR"},"content":{"rendered":"<h2>\u0646\u0638\u0631\u0629 \u0639\u0627\u0645\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u0646\u062a\u062c<\/h2>\n<p>The SP3232EBEY-L\/TR from MaxLinear (formerly Sipex\/Exar) is a true +3.0V to +5.5V RS-232 transceiver with 2 drivers and 2 receivers. It meets EIA\/TIA-232-F standards using an integrated charge pump with only four external 0.1uF capacitors. The device supports 250kbps data rate and provides plus\/minus 15kV HBM ESD protection on RS-232 pins.<\/p>\n<h2>\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h2>\n<ul>\n<li>Supply Voltage: +3.0V to +5.5V<\/li>\n<li>Drivers: 2<\/li>\n<li>Receivers: 2<\/li>\n<li>Data Rate: 250kbps<\/li>\n<li>ESD: plus\/minus 15kV HBM on RS-232 pins<\/li>\n<li>External Caps: 4 x 0.1uF<\/li>\n<li>Charge Pump: Integrated<\/li>\n<li>Operating Temp: -40C to +85C<\/li>\n<li>Package: TSSOP-16<\/li>\n<li>Packaging: Tape and Reel (TR)<\/li>\n<li>RS-232 Output: plus\/minus 5.4V typical at 3.3V<\/li>\n<li>Receiver Threshold: 0.8V\/2.4V TTL compatible<\/li>\n<\/ul>\n<h2>\u0627\u0644\u0645\u064a\u0632\u0627\u062a<\/h2>\n<ul>\n<li>True RS-232 from 3.0V to 5.5V supply<\/li>\n<li>Only 4 external 0.1uF capacitors needed<\/li>\n<li>plus\/minus 15kV HBM ESD protection<\/li>\n<li>250kbps data rate under load<\/li>\n<li>Compatible with 3V and 5V logic<\/li>\n<\/ul>\n<h2>\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n<ul>\n<li>Notebook serial ports<\/li>\n<li>Battery-powered RS-232 interfaces<\/li>\n<li>Industrial serial communication<\/li>\n<li>Embedded system RS-232 connectivity<\/li>\n<li>Point-of-sale terminal serial ports<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Product Overview The SP3232EBEY-L\/TR from MaxLinear (formerly Sipex\/Exar) is a true +3.0V to +5.5V RS-232 transceiver with 2 drivers and 2 receivers. It meets EIA\/TIA-232-F standards using an integrated charge pump with only four external 0.1uF capacitors. The device supports 250kbps data rate and provides plus\/minus 15kV HBM ESD protection on RS-232 pins. Key Specifications [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,25],"tags":[978],"chip_brand":[171],"class_list":["post-9717","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-microcontrollers-mcu","tag-sp3232ebey-l-tr","chip_brand-maxlinear"],"acf":{"brief_explanation":"3-5.5V RS-232 transceiver, 2TX\/2RX, 250kbps, plus\/minus 15kV ESD, TSSOP-16, -40~85C","date_code":"","package_case":"TSSOP-16","in_stock":9634,"datasheet":"https:\/\/www.maxlinear.com\/product\/interface\/serial-transceivers\/rs-232\/sp3232eb","price":"$0.75 @ 1ku","product_introduction":"The SP3232EBEY-L\/TR from MaxLinear is a 3.0-5.5V RS-232 transceiver with 2 drivers\/2 receivers, 250kbps, and plus\/minus 15kV ESD protection in TSSOP-16.","working_principle":"The SP3232EB uses an on-chip charge pump (doubler and inverter) to generate plus\/minus 5.4V supplies from a single 3.0-5.5V supply, requiring only four 0.1uF external capacitors. Drivers convert TTL\/CMOS to RS-232 levels; receivers convert RS-232 back to TTL\/CMOS.","pin_description":"<table><tr><th>Pin<\/th><th>Name<\/th><th>Function<\/th><\/tr><tr><td>1<\/td><td>C1+<\/td><td>Charge pump cap 1+<\/td><\/tr><tr><td>2<\/td><td>V+<\/td><td>Positive pump output<\/td><\/tr><tr><td>3<\/td><td>C1-<\/td><td>Charge pump cap 1-<\/td><\/tr><tr><td>4<\/td><td>C2+<\/td><td>Charge pump cap 2+<\/td><\/tr><tr><td>5<\/td><td>C2-<\/td><td>Charge pump cap 2-<\/td><\/tr><tr><td>6<\/td><td>V-<\/td><td>Negative pump output<\/td><\/tr><tr><td>7<\/td><td>T2OUT<\/td><td>Driver 2 RS-232 out<\/td><\/tr><tr><td>8<\/td><td>R2IN<\/td><td>Receiver 2 RS-232 in<\/td><\/tr><tr><td>9<\/td><td>R2OUT<\/td><td>Receiver 2 TTL out<\/td><\/tr><tr><td>10<\/td><td>T2IN<\/td><td>Driver 2 TTL in<\/td><\/tr><tr><td>11<\/td><td>T1IN<\/td><td>Driver 1 TTL in<\/td><\/tr><tr><td>12<\/td><td>R1OUT<\/td><td>Receiver 1 TTL out<\/td><\/tr><tr><td>13<\/td><td>R1IN<\/td><td>Receiver 1 RS-232 in<\/td><\/tr><tr><td>14<\/td><td>T1OUT<\/td><td>Driver 1 RS-232 out<\/td><\/tr><tr><td>15<\/td><td>GND<\/td><td>Ground<\/td><\/tr><tr><td>16<\/td><td>VCC<\/td><td>Power (3.0-5.5V)<\/td><\/tr><\/table>","application_scenarios":"<ul><li>Embedded RS-232 serial port<\/li><li>Industrial PLC communication<\/li><li>Point-of-sale serial link<\/li><li>Battery-powered RS-232 adapter<\/li><\/ul>","alternative_models":"<table><tr><th>Model<\/th><th>Manufacturer<\/th><th>Spec1<\/th><th>Spec2<\/th><\/tr><tr><td>MAX3232ESE+T<\/td><td>ADI\/Maxim<\/td><td>3.0-5.5V<\/td><td>250kbps<\/td><\/tr><tr><td>ST3232EBTR<\/td><td>STMicro<\/td><td>3.0-5.5V<\/td><td>250kbps<\/td><\/tr><tr><td>HIN232CPZ<\/td><td>Renesas<\/td><td>5V only<\/td><td>120kbps<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/9717","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/comments?post=9717"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/9717\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=9717"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=9717"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=9717"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=9717"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}