{"id":2117,"date":"2026-06-22T06:33:04","date_gmt":"2026-06-22T06:33:04","guid":{"rendered":"https:\/\/duolinkelectronics.com\/product\/nxp-pca9555pw-16-bit-i2c-gpio-expander-device-tssop-24\/"},"modified":"2026-06-24T05:39:12","modified_gmt":"2026-06-24T05:39:12","slug":"pca9555pw","status":"publish","type":"product","link":"https:\/\/duolinkelectronics.com\/zh\/product\/pca9555pw\/","title":{"rendered":"NXP PCA9555PW 16 \u4f4d\u5143 I2C GPIO \u64f4\u5145\u5668\uff0cTSSOP-24 \u5c01\u88dd"},"content":{"rendered":"<p class=\"isSelectedEnd\">NXP PCA9555PW \u662f\u4e00\u6b3e\u900f\u904e I2C \u532f\u6d41\u6392\u63a7\u5236\u7684 16 \u4f4d\u5143\u901a\u7528 I\/O \u64f4\u5145\u5668\u3002\u5b83\u63d0\u4f9b\u53ef\u914d\u7f6e\u7684\u8f38\u5165\u8207\u8f38\u51fa\u57e0\u3001\u6975\u6027\u53cd\u8f49\u3001\u4e2d\u65b7\u8f38\u51fa\u53ca\u4f4d\u5740\u9078\u64c7\u529f\u80fd\u3002 \u8a72\u88dd\u7f6e\u53ef\u64f4\u5145\u5de5\u696d\u63a7\u5236\u5668\u3001\u4f3a\u670d\u5668\u3001\u5bb6\u96fb\u3001\u5100\u5668\u8a2d\u5099\u53ca\u8655\u7406\u5668\u5f15\u8173\u6578\u91cf\u6709\u9650\u7684\u5d4c\u5165\u5f0f\u7cfb\u7d71\u4e2d\u7684\u6578\u4f4d I\/O \u529f\u80fd\u3002.<\/p>\n<h2>\u7522\u54c1\u898f\u683c<\/h2>\n<table>\n<tbody>\n<tr>\n<th>\u898f\u683c<\/th>\n<th>\u8a73\u7d30\u8cc7\u8a0a<\/th>\n<\/tr>\n<tr>\n<td>\u88fd\u9020\u5546<\/td>\n<td>NXP Semiconductors<\/td>\n<\/tr>\n<tr>\n<td>\u88fd\u9020\u5546\u96f6\u4ef6\u7de8\u865f<\/td>\n<td>PCA9555PW<\/td>\n<\/tr>\n<tr>\n<td>\u7522\u54c1\u985e\u5225<\/td>\n<td>I\/O \u64f4\u5145\u5361<\/td>\n<\/tr>\n<tr>\n<td>\u7cfb\u5217<\/td>\n<td>PCA9555<\/td>\n<\/tr>\n<tr>\n<td>I\/O \u9023\u63a5\u57e0<\/td>\n<td>16<\/td>\n<\/tr>\n<tr>\n<td>\u4ecb\u9762<\/td>\n<td>I2C<\/td>\n<\/tr>\n<tr>\n<td>\u6642\u8108\u983b\u7387<\/td>\n<td>\u6700\u9ad8 400kHz<\/td>\n<\/tr>\n<tr>\n<td>\u4f9b\u96fb\u96fb\u58d3<\/td>\n<td>2.3V \u81f3 5.5V<\/td>\n<\/tr>\n<tr>\n<td>\u4e2d\u65b7\u8f38\u51fa<\/td>\n<td>\u662f\u7684<\/td>\n<\/tr>\n<tr>\n<td>\u5305\u88dd\uff0f\u5916\u7bb1<\/td>\n<td>TSSOP-24<\/td>\n<\/tr>\n<tr>\n<td>\u5b89\u88dd\u985e\u578b<\/td>\n<td>\u8868\u9762\u8cbc\u88dd<\/td>\n<\/tr>\n<tr>\n<td>\u7522\u54c1\u72c0\u614b<\/td>\n<td>\u6709\u6548<\/td>\n<\/tr>\n<tr>\n<td>RoHS \u72c0\u614b<\/td>\n<td>\u7b26\u5408 RoHS \u6a19\u6e96<\/td>\n<\/tr>\n<tr>\n<td>\u5305\u88dd<\/td>\n<td>\u81a0\u5e36\u8207\u6372\u76e4<\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"excerpt":{"rendered":"<ul>\n<li><strong>\u88fd\u9020\u5546\uff1a<\/strong> NXP Semiconductors<\/li>\n<li><strong>\u88fd\u9020\u5546\u96f6\u4ef6\u7de8\u865f (MPN)\uff1a<\/strong> PCA9555PW<\/li>\n<li><strong>\u7522\u54c1\u985e\u5225\uff1a<\/strong> I\/O \u64f4\u5145\u5361<\/li>\n<li><strong>\u7cfb\u5217\uff1a<\/strong> PCA9555<\/li>\n<li><strong>\u5305\u88dd\uff0f\u5916\u76d2\uff1a<\/strong> TSSOP-24<\/li>\n<li><strong>\u5b89\u88dd\u985e\u578b\uff1a<\/strong> \u8868\u9762\u8cbc\u88dd<\/li>\n<li><strong>RoHS \u72c0\u614b\uff1a<\/strong> \u7b26\u5408 RoHS \u6a19\u6e96<\/li>\n<li><strong>\u751f\u547d\u9031\u671f\u72c0\u614b\uff1a<\/strong> \u6709\u6548<\/li>\n<li><strong>\u4f9b\u61c9\u72c0\u6cc1\uff1a<\/strong> \u7d22\u53d6\u5831\u50f9<\/li>\n<li><strong>\u4ea4\u8ca8\u671f\uff1a<\/strong> \u806f\u7d61\u92b7\u552e\u90e8\u9580<\/li>\n<li><strong>\u904b\u9001\u65b9\u5f0f\uff1a<\/strong> DHL \/ FedEx \/ UPS<\/li>\n<\/ul>","protected":false},"featured_media":2086,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[35],"product_tag":[],"class_list":{"0":"post-2117","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-nxp-semiconductors","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/duolinkelectronics.com\/zh\/wp-json\/wp\/v2\/product\/2117","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/duolinkelectronics.com\/zh\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/duolinkelectronics.com\/zh\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/duolinkelectronics.com\/zh\/wp-json\/wp\/v2\/comments?post=2117"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/duolinkelectronics.com\/zh\/wp-json\/wp\/v2\/media\/2086"}],"wp:attachment":[{"href":"https:\/\/duolinkelectronics.com\/zh\/wp-json\/wp\/v2\/media?parent=2117"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/duolinkelectronics.com\/zh\/wp-json\/wp\/v2\/product_brand?post=2117"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/duolinkelectronics.com\/zh\/wp-json\/wp\/v2\/product_cat?post=2117"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/duolinkelectronics.com\/zh\/wp-json\/wp\/v2\/product_tag?post=2117"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}