{"id":5637,"date":"2026-06-11T03:48:46","date_gmt":"2026-06-11T03:48:46","guid":{"rendered":"https:\/\/materialparts.com\/mcp23017-e-sp\/"},"modified":"2026-06-11T03:48:46","modified_gmt":"2026-06-11T03:48:46","slug":"mcp23017-e-sp","status":"publish","type":"post","link":"https:\/\/materialparts.com\/es\/mcp23017-e-sp\/","title":{"rendered":"MCP23017-E\/SP"},"content":{"rendered":"<h2>Productos<\/h2>\n<p>The MCP23017-E\/SP from Microchip is a 16-bit I2C I\/O expander with three hardware address pins for up to 8 devices on one bus. Features 25mA sink\/source per I\/O, configurable interrupt outputs, and 1uA standby current in SPDIP-28 through-hole package.<\/p>\n<h2>Especificaciones<\/h2>\n<table>\n<tr>\n<td>E\/S<\/td>\n<td>16-bit (2&#215;8)<\/td>\n<\/tr>\n<tr>\n<td>Interface<\/td>\n<td>I2C 100\/400\/1700kHz<\/td>\n<\/tr>\n<tr>\n<td>Address Pins<\/td>\n<td>3 (up to 8 devices)<\/td>\n<\/tr>\n<tr>\n<td>I\/O Current<\/td>\n<td>25mA per pin<\/td>\n<\/tr>\n<tr>\n<td>Standby Current<\/td>\n<td>1uA max<\/td>\n<\/tr>\n<tr>\n<td>Supply<\/td>\n<td>1.8-5.5V<\/td>\n<\/tr>\n<tr>\n<td>Interrumpir<\/td>\n<td>INTA, INTB<\/td>\n<\/tr>\n<tr>\n<td>Temp<\/td>\n<td>-40~125C<\/td>\n<\/tr>\n<\/table>\n<h2>Caracter\u00edsticas<\/h2>\n<ul>\n<li>16-bit remote bidirectional I\/O<\/li>\n<li>High-speed I2C up to 1.7MHz<\/li>\n<li>3 hardware address pins (8 devices\/bus)<\/li>\n<li>Configurable interrupt output (INTA\/INTB)<\/li>\n<li>Polarity inversion register<\/li>\n<li>External reset input<\/li>\n<li>1uA max standby current<\/li>\n<\/ul>\n<h2>Aplicaciones<\/h2>\n<ul>\n<li>GPIO expansion for MCUs<\/li>\n<li>Keypad and LCD interfaces<\/li>\n<li>Industrial control panels<\/li>\n<li>Embedded system I\/O<\/li>\n<li>Arduino\/Raspberry Pi projects<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Product Overview The MCP23017-E\/SP from Microchip is a 16-bit I2C I\/O expander with three hardware address pins for up to 8 devices on one bus. Features 25mA sink\/source per I\/O, configurable interrupt outputs, and 1uA standby current in SPDIP-28 through-hole package. Key Specifications I\/O 16-bit (2&#215;8) Interface I2C 100\/400\/1700kHz Address Pins 3 (up to 8 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13],"tags":[],"chip_brand":[134],"class_list":["post-5637","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","chip_brand-microchip"],"acf":{"brief_explanation":"16-bit I2C I\/O expander, 1.7MHz, 25mA\/ch, SPDIP-28","date_code":"","package_case":"SPDIP-28 (34.7x7.2mm)","in_stock":8238,"datasheet":"https:\/\/www.microchip.com\/en-us\/product\/MCP23017","price":"$1.35 @ 1ku","product_introduction":"The MCP23017-E\/SP from Microchip is a 16-bit I2C I\/O expander with three hardware address pins for up to 8 devices on one bus. Features 25mA sink\/source per I\/O, configurable interrupt outputs, and 1uA standby current in SPDIP-28 through-hole package.","working_principle":"Communicates with host MCU via I2C bus. Two 8-bit ports (PORTA\/PORTB) can be independently configured as inputs or outputs via IODIRA\/B registers. Interrupt pins alert host of input changes. Polarity inversion register allows active-low input sensing without software inversion.","pin_description":"<table><tr><th>Pin<\/th><th>Name<\/th><th>Function<\/th><\/tr><tr><td>1-8<\/td><td>GPB0-7<\/td><td>Port B I\/O<\/td><\/tr><tr><td>9<\/td><td>VDD<\/td><td>Supply 1.8-5.5V<\/td><\/tr><tr><td>10<\/td><td>VSS<\/td><td>Ground<\/td><\/tr><tr><td>11<\/td><td>SCL<\/td><td>I2C clock<\/td><\/tr><tr><td>12<\/td><td>SDA<\/td><td>I2C data<\/td><\/tr><tr><td>13-15<\/td><td>A0-2<\/td><td>Address select<\/td><\/tr><tr><td>16<\/td><td>RESET<\/td><td>Reset input<\/td><\/tr><tr><td>17<\/td><td>INTB<\/td><td>Port B interrupt<\/td><\/tr><tr><td>18<\/td><td>INTA<\/td><td>Port A interrupt<\/td><\/tr><tr><td>19-26<\/td><td>GPA0-7<\/td><td>Port A I\/O<\/td><\/tr><\/table>","application_scenarios":"<li>GPIO expansion for MCUs<\/li><li>Keypad and LCD interfaces<\/li><li>Industrial control panels<\/li><li>Embedded system I\/O<\/li><li>Arduino\/Raspberry Pi projects<\/li>","alternative_models":"<table><tr><th>Model<\/th><th>Brand<\/th><th>Diff<\/th><\/tr><tr><td>MCP23S17<\/td><td>Microchip<\/td><td>SPI interface version<\/td><\/tr><tr><td>PCF8575<\/td><td>NXP<\/td><td>16-bit I2C expander<\/td><\/tr><tr><td>SX1509<\/td><td>Silicon Labs<\/td><td>16-bit with PWM\/LED driver<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/5637","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/comments?post=5637"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/5637\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/media?parent=5637"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/categories?post=5637"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/tags?post=5637"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/chip_brand?post=5637"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}