{"id":5188,"date":"2026-06-09T10:12:29","date_gmt":"2026-06-09T10:12:29","guid":{"rendered":"https:\/\/materialparts.com\/ds1232\/"},"modified":"2026-06-09T10:12:29","modified_gmt":"2026-06-09T10:12:29","slug":"ds1232","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/ds1232\/","title":{"rendered":"DS1232+"},"content":{"rendered":"<h2>\u4ea7\u54c1\u6982\u89c8<\/h2>\n<p>DS1232+ from ADI\/Maxim is a microprocessor monitor with power-on reset, brownout detection, and watchdog timer. Active-low reset with 350ms pulse. Three watchdog timeout options. Manual reset with internal debounce. + suffix = RoHS lead-free.<\/p>\n<h2>\u5de5\u4f5c\u539f\u7406<\/h2>\n<p>Monitors VCC and asserts reset when below threshold (4.87V for 5V). Watchdog requires periodic ST strobes; timeout causes reset. TD pin selects timeout. PBRST provides manual reset with debounce. Reset guaranteed active down to VCC=1V.<\/p>\n<h2>Pin Description<\/h2>\n<table>\n<tr>\n<th>\u9488\u811a<\/th>\n<th>\u540d\u79f0<\/th>\n<th>\u529f\u80fd<\/th>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td>PBRST<\/td>\n<td>Pushbutton reset<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>TD<\/td>\n<td>Timeout select<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>TOL<\/td>\n<td>Tolerance select<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>RST<\/td>\n<td>Reset (active low)<\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td>RST<\/td>\n<td>Reset (active high)<\/td>\n<\/tr>\n<tr>\n<td>7<\/td>\n<td>ST<\/td>\n<td>Watchdog strobe<\/td>\n<\/tr>\n<tr>\n<td>8<\/td>\n<td>VCC<\/td>\n<td>5V supply<\/td>\n<\/tr>\n<\/table>\n<h2>\u5e94\u7528<\/h2>\n<ul>\n<li>Embedded MCU reset and watchdog<\/li>\n<li>Industrial supervisory<\/li>\n<li>Board-level system reset<\/li>\n<\/ul>\n<h2>Alternative Models<\/h2>\n<table>\n<tr>\n<th>\u5236\u9020\u5546<\/th>\n<th>\u90e8\u4ef6\u7f16\u53f7<\/th>\n<th>\u8bf4\u660e<\/th>\n<\/tr>\n<tr>\n<td>TI<\/td>\n<td>TPS3823-33DBVR<\/td>\n<td>3.3V supervisor<\/td>\n<\/tr>\n<tr>\n<td>\u5fae\u578b\u82af\u7247<\/td>\n<td>TC1232CPA<\/td>\n<td>Similar monitor<\/td>\n<\/tr>\n<\/table>","protected":false},"excerpt":{"rendered":"<p>Product Overview DS1232+ from ADI\/Maxim is a microprocessor monitor with power-on reset, brownout detection, and watchdog timer. Active-low reset with 350ms pulse. Three watchdog timeout options. Manual reset with internal debounce. + suffix = RoHS lead-free. Working Principle Monitors VCC and asserts reset when below threshold (4.87V for 5V). Watchdog requires periodic ST strobes; timeout [&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":[13,55],"tags":[],"chip_brand":[165],"class_list":["post-5188","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-transistors","chip_brand-adi"],"acf":{"brief_explanation":"Microprocessor monitor, watchdog, brownout, DIP-8\/SOIC-8","date_code":"","package_case":"DIP-8 \/ SOIC-8 (4.9 x 3.9 x 1.5mm)","in_stock":2520,"datasheet":"https:\/\/www.analog.com\/media\/en\/technical-documentation\/data-sheets\/DS1232.pdf","price":"$2.80 @ 1ku","product_introduction":"DS1232+ from ADI\/Maxim is a microprocessor monitor with power-on reset, brownout detection, and watchdog timer. Active-low reset with 350ms pulse. Three watchdog timeout options. Manual reset with internal debounce. + suffix = RoHS lead-free.","working_principle":"Monitors VCC and asserts reset when below threshold (4.87V for 5V). Watchdog requires periodic ST strobes; timeout causes reset. TD pin selects timeout. PBRST provides manual reset with debounce. Reset guaranteed active down to VCC=1V.","pin_description":"<table><tr><th>Pin<\/th><th>Name<\/th><th>Function<\/th><\/tr><tr><td>1<\/td><td>PBRST<\/td><td>Pushbutton reset<\/td><\/tr><tr><td>2<\/td><td>TD<\/td><td>Timeout select<\/td><\/tr><tr><td>3<\/td><td>TOL<\/td><td>Tolerance select<\/td><\/tr><tr><td>5<\/td><td>RST<\/td><td>Reset (active low)<\/td><\/tr><tr><td>6<\/td><td>RST<\/td><td>Reset (active high)<\/td><\/tr><tr><td>7<\/td><td>ST<\/td><td>Watchdog strobe<\/td><\/tr><tr><td>8<\/td><td>VCC<\/td><td>5V supply<\/td><\/tr><\/table>","application_scenarios":"<ul><li>Embedded MCU reset and watchdog<\/li><li>Industrial supervisory<\/li><li>Board-level system reset<\/li><\/ul>","alternative_models":"<table><tr><th>Manufacturer<\/th><th>Part Number<\/th><th>Notes<\/th><\/tr><tr><td>TI<\/td><td>TPS3823-33DBVR<\/td><td>3.3V supervisor<\/td><\/tr><tr><td>Microchip<\/td><td>TC1232CPA<\/td><td>Similar monitor<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/5188","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/comments?post=5188"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/5188\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=5188"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=5188"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=5188"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=5188"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}