{"id":848,"date":"2025-09-08T15:28:02","date_gmt":"2025-09-08T07:28:02","guid":{"rendered":"https:\/\/www.fairply.com\/blog\/?post_type=product&#038;p=848"},"modified":"2025-09-08T15:31:23","modified_gmt":"2025-09-08T07:31:23","slug":"epson-rx-8025nb-sa-real-time-clock-module","status":"publish","type":"product","link":"https:\/\/www.fairply.com\/blog\/product\/epson-rx-8025nb-sa-real-time-clock-module\/","title":{"rendered":"EPSON RX-8025NB\/SA (REAL TIME CLOCK MODULE)"},"content":{"rendered":"<p><span style=\"color: #0000ff;\">\u6700\u5c0f\u5305\u88dd\u6578: 1000\u00a0 \u00a0\/\u00a0 MOQ: 1000\u00a0 \/\u00a0 \u5305\u88dd\u65b9\u5f0f : \u6372\u88dd<\/span><\/p>\n<p><span style=\"color: #0000ff;\">\u54c1\u724c<\/span> : SEIKO EPSON Corporation<br \/>\n<span style=\"color: #0000ff;\">\u4ecb\u7d39<\/span><br \/>\nRX-8025 (High-Stability I2C-Bus Interface Real Time Clock Module)<br \/>\n<span style=\"color: #0000ff;\">\u5c3a\u5bf8 \/ \u5c01\u88dd<\/span><br \/>\nRX-8025NB : 6.3&#215;4.8x5mm (SON-22PIN)<br \/>\nRX-8025SA : 10.1&#215;7.4&#215;3.2mm (SOP-14)<\/p>\n<hr \/>\n<p data-wp-editing=\"1\"><style id=\"wpforms-css-vars-765\">\n\t\t\t\t#wpforms-765 {\n\t\t\t\t--wpforms-container-padding: 0px;\n--wpforms-container-border-width: 1px;\n--wpforms-container-border-radius: 3px;\n--wpforms-background-color: rgba(0, 0, 0, 0);\n--wpforms-field-size-input-height: 43px;\n--wpforms-field-size-input-spacing: 15px;\n--wpforms-field-size-font-size: 16px;\n--wpforms-field-size-line-height: 19px;\n--wpforms-field-size-padding-h: 14px;\n--wpforms-field-size-checkbox-size: 16px;\n--wpforms-field-size-sublabel-spacing: 5px;\n--wpforms-field-size-icon-size: 1;\n--wpforms-label-size-font-size: 16px;\n--wpforms-label-size-line-height: 19px;\n--wpforms-label-size-sublabel-font-size: 14px;\n--wpforms-label-size-sublabel-line-height: 17px;\n--wpforms-button-size-font-size: 17px;\n--wpforms-button-size-height: 41px;\n--wpforms-button-size-padding-h: 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id=\"wpforms-765-field_10-container\" class=\"wpforms-field wpforms-field-text\" data-field-id=\"10\"><label class=\"wpforms-field-label\" for=\"wpforms-765-field_10\">\u806f\u7e6b\u96fb\u8a71(Phone)<\/label><input type=\"text\" id=\"wpforms-765-field_10\" class=\"wpforms-field-medium\" name=\"wpforms[fields][10]\" aria-errormessage=\"wpforms-765-field_10-error\" ><\/div><div id=\"wpforms-765-field_9-container\" class=\"wpforms-field wpforms-field-radio\" data-field-id=\"9\"><fieldset><legend class=\"wpforms-field-label\">\u9700\u6c42\u9078\u64c7(Choice) <span class=\"wpforms-required-label\" aria-hidden=\"true\">*<\/span><\/legend><ul id=\"wpforms-765-field_9\" class=\"wpforms-field-required\"><li class=\"choice-1 depth-1 wpforms-selected\"><input type=\"radio\" id=\"wpforms-765-field_9_1\" name=\"wpforms[fields][9]\" value=\"\u50c5\u8a62\u50f9\" aria-errormessage=\"wpforms-765-field_9_1-error\" required  checked='checked'><label class=\"wpforms-field-label-inline\" for=\"wpforms-765-field_9_1\">\u50c5\u8a62\u50f9<\/label><\/li><li class=\"choice-2 depth-1\"><input type=\"radio\" id=\"wpforms-765-field_9_2\" name=\"wpforms[fields][9]\" value=\"\u6a23\u54c1\u9700\u6c42\" aria-errormessage=\"wpforms-765-field_9_2-error\" required ><label class=\"wpforms-field-label-inline\" for=\"wpforms-765-field_9_2\">\u6a23\u54c1\u9700\u6c42<\/label><\/li><li class=\"choice-3 depth-1\"><input type=\"radio\" id=\"wpforms-765-field_9_3\" name=\"wpforms[fields][9]\" value=\"\u7522\u54c1\u554f\u984c\" aria-errormessage=\"wpforms-765-field_9_3-error\" required ><label class=\"wpforms-field-label-inline\" for=\"wpforms-765-field_9_3\">\u7522\u54c1\u554f\u984c<\/label><\/li><\/ul><\/fieldset><\/div><div id=\"wpforms-765-field_6-container\" class=\"wpforms-field wpforms-field-number\" data-field-id=\"6\"><label class=\"wpforms-field-label\" for=\"wpforms-765-field_6\">\u9700\u6c42\u6578\u91cf(Q&#039;ty) <span class=\"wpforms-required-label\" aria-hidden=\"true\">*<\/span><\/label><input type=\"number\" id=\"wpforms-765-field_6\" class=\"wpforms-field-medium wpforms-field-required\" name=\"wpforms[fields][6]\" step=\"any\" aria-errormessage=\"wpforms-765-field_6-error\" required><\/div>\t\t<div id=\"wpforms-765-field_4-container\"\n\t\t\tclass=\"wpforms-field wpforms-field-text\"\n\t\t\tdata-field-type=\"text\"\n\t\t\tdata-field-id=\"4\"\n\t\t\t>\n\t\t\t<label class=\"wpforms-field-label\" for=\"wpforms-765-field_4\" >\u806f\u7e6b\u96fb\u8a71(Phone)  \u9700\u6c42\u6578\u91cf(Q&#039;ty)<\/label>\n\t\t\t<input type=\"text\" id=\"wpforms-765-field_4\" class=\"wpforms-field-medium\" name=\"wpforms[fields][4]\" >\n\t\t<\/div>\n\t\t<div id=\"wpforms-765-field_3-container\" class=\"wpforms-field wpforms-field-textarea\" data-field-id=\"3\"><label class=\"wpforms-field-label\" for=\"wpforms-765-field_3\">\u8a0a\u606f\u5167\u5bb9(Message)  <span class=\"wpforms-required-label\" aria-hidden=\"true\">*<\/span><\/label><textarea id=\"wpforms-765-field_3\" class=\"wpforms-field-medium wpforms-field-required\" name=\"wpforms[fields][3]\" aria-errormessage=\"wpforms-765-field_3-error\" required><\/textarea><\/div><script>\n\t\t\t\t( function() {\n\t\t\t\t\tconst style = document.createElement( 'style' );\n\t\t\t\t\tstyle.appendChild( document.createTextNode( '#wpforms-765-field_4-container { position: absolute !important; overflow: hidden !important; display: inline !important; height: 1px !important; width: 1px !important; z-index: -1000 !important; padding: 0 !important; } #wpforms-765-field_4-container input { visibility: hidden; } #wpforms-conversational-form-page #wpforms-765-field_4-container label { counter-increment: none; }' ) );\n\t\t\t\t\tdocument.head.appendChild( style );\n\t\t\t\t\tdocument.currentScript?.remove();\n\t\t\t\t} )();\n\t\t\t<\/script><\/div><!-- .wpforms-field-container --><div class=\"wpforms-submit-container\" ><input type=\"hidden\" name=\"wpforms[id]\" value=\"765\"><input type=\"hidden\" name=\"page_title\" value=\"\"><input type=\"hidden\" name=\"page_url\" value=\"https:\/\/www.fairply.com\/blog\/wp-json\/wp\/v2\/product\/848\"><input type=\"hidden\" name=\"url_referer\" value=\"\"><button type=\"submit\" name=\"wpforms[submit]\" id=\"wpforms-submit-765\" class=\"wpforms-submit\" data-alt-text=\"Sending...\" data-submit-text=\"\u9001\u51fa(Submit)\" aria-live=\"assertive\" value=\"wpforms-submit\">\u9001\u51fa(Submit)<\/button><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.fairply.com\/blog\/wp-content\/plugins\/wpforms-lite\/assets\/images\/submit-spin.svg\" class=\"wpforms-submit-spinner\" style=\"display: none;\" width=\"26\" height=\"26\" alt=\"Loading\"><\/div><\/form><\/div>  <!-- .wpforms-container --><\/p>\n","protected":false},"excerpt":{"rendered":"<p><strong><span style=\"color: #0000ff;\">Overview<\/span><\/strong><br \/>\nThis module is an I2C bus interface-compliant real-time clock which includes a 32.768-kHz quartz oscillator that has been adjusted for high precision. In addition to providing a function for generating six types of interrupts, a dual alarm function, an oscillation stop detection function (used to determine presence of valid internal data at power-on), and a power supply voltage monitoring function, this module includes a digital clock precision adjustment function that can be used to set various levels of precision. Since the internal oscillation circuit is driven at a constant voltage, 32.768-kHz clock output is stable and free of voltage fluctuation effects. This implementation of multiple functions in one SMT package is ideal for applications ranging from cellular phones to PDAs and other small electronic devices.<\/p>\n<p><strong><span style=\"color: #0000ff;\">FEATURES<\/span><\/strong><br \/>\n\u2027 Built-in 32.768kHz crystal unit : Frequency adjusted for high accuracy (\u00b15\u00d710-6 \/ Ta=+25\u00b0C)<br \/>\n\u2027 Interface Type : I2C-Bus Interface (400kHz)<br \/>\n\u2027 Operating voltage range : 1.70V to 5.5V<br \/>\n\u2027 Wide voltage for timekeeping : 1.15V to 5.5V<br \/>\n\u2027 Various detection Functions : Ex. Oscillation stop detection function<br \/>\n\u2027 Low backup current : 0.48\u03bcA \/ 3V(Typ.)<br \/>\n\u2027 32.768kHz frequency output function : C-MOS output with OE pin<br \/>\n\u2027 The various functions include full calendar,Dual alarm, Periodic interruption<\/p>\n","protected":false},"featured_media":699,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[40],"product_cat":[38],"product_tag":[],"class_list":{"0":"post-848","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-epson","7":"product_cat-38","9":"first","10":"instock","11":"taxable","12":"shipping-taxable","13":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>EPSON RX-8025NB\/SA (REAL TIME CLOCK MODULE) - FAIRPLY ENTERPRISES INC.<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.fairply.com\/blog\/product\/epson-rx-8025nb-sa-real-time-clock-module\/\" \/>\n<meta property=\"og:locale\" content=\"zh_TW\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"EPSON RX-8025NB\/SA (REAL TIME CLOCK MODULE) - FAIRPLY ENTERPRISES INC.\" \/>\n<meta property=\"og:description\" content=\"Overview This module is an I2C bus interface-compliant real-time clock which includes a 32.768-kHz quartz oscillator that has been adjusted for high precision. In addition to providing a function for generating six types of interrupts, a dual alarm function, an oscillation stop detection function (used to determine presence of valid internal data at power-on), and a power supply voltage monitoring function, this module includes a digital clock precision adjustment function that can be used to set various levels of precision. Since the internal oscillation circuit is driven at a constant voltage, 32.768-kHz clock output is stable and free of voltage fluctuation effects. This implementation of multiple functions in one SMT package is ideal for applications ranging from cellular phones to PDAs and other small electronic devices.  FEATURES \u2027 Built-in 32.768kHz crystal unit : Frequency adjusted for high accuracy (\u00b15\u00d710-6 \/ Ta=+25\u00b0C) \u2027 Interface Type : I2C-Bus Interface (400kHz) \u2027 Operating voltage range : 1.70V to 5.5V \u2027 Wide voltage for timekeeping : 1.15V to 5.5V \u2027 Various detection Functions : Ex. Oscillation stop detection function \u2027 Low backup current : 0.48\u03bcA \/ 3V(Typ.) \u2027 32.768kHz frequency output function : C-MOS output with OE pin \u2027 The various functions include full calendar,Dual alarm, Periodic interruption\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.fairply.com\/blog\/product\/epson-rx-8025nb-sa-real-time-clock-module\/\" \/>\n<meta property=\"og:site_name\" content=\"FAIRPLY ENTERPRISES INC.\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/FAIRPLYCOM?rdid=1L9xcIhAsMLmUOyL&amp;share_url=https3A2F2Fwww.facebook.com2Fshare2F1MARHsfDVM2F#\" \/>\n<meta property=\"article:modified_time\" content=\"2025-09-08T07:31:23+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.fairply.com\/blog\/wp-content\/uploads\/2025\/08\/RX8025NB.png\" \/>\n\t<meta property=\"og:image:width\" content=\"700\" \/>\n\t<meta property=\"og:image:height\" content=\"700\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u9810\u4f30\u95b1\u8b80\u6642\u9593\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 \u5206\u9418\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.fairply.com\\\/blog\\\/product\\\/epson-rx-8025nb-sa-real-time-clock-module\\\/\",\"url\":\"https:\\\/\\\/www.fairply.com\\\/blog\\\/product\\\/epson-rx-8025nb-sa-real-time-clock-module\\\/\",\"name\":\"EPSON RX-8025NB\\\/SA (REAL TIME CLOCK MODULE) - 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FAIRPLY ENTERPRISES INC.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.fairply.com\/blog\/product\/epson-rx-8025nb-sa-real-time-clock-module\/","og_locale":"zh_TW","og_type":"article","og_title":"EPSON RX-8025NB\/SA (REAL TIME CLOCK MODULE) - FAIRPLY ENTERPRISES INC.","og_description":"Overview This module is an I2C bus interface-compliant real-time clock which includes a 32.768-kHz quartz oscillator that has been adjusted for high precision. 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