{"product_id":"snvi-ds1307-pcf8563-rtc-module-real-time-clock-i2c-timekeeping-backup-battery-with-case-cable","title":"Snvi DS1307 PCF8563 RTC Module Real Time Clock I2C Timekeeping Backup Battery with Case Cable","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSNVI\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eVoltage Regulator\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003esemi_Choice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S3dfa2458f99942048e98c1e44768fc28o.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch3 style='font-family:Inter, -apple-system, BlinkMacSystemFont, \"Segoe UI\", \"PingFang SC\", \"Hiragino Sans GB\", \"Microsoft YaHei\", \"Helvetica Neue\", Helvetica, Arial, sans-serif;font-size:18px;font-weight:700;letter-spacing:normal;line-height:28px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px solid;margin:0px 0px 12px;margin-bottom:12px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' class=\"header-iWP5WJ auto-hide-last-sibling-br\" align=\"start\"\u003eProduct Parameters\u003c\/h3\u003e\u003ch4 style='font-family:Inter, -apple-system, BlinkMacSystemFont, \"Segoe UI\", \"PingFang SC\", \"Hiragino Sans GB\", \"Microsoft YaHei\", \"Helvetica Neue\", Helvetica, Arial, sans-serif;font-size:16px;font-weight:700;letter-spacing:normal;line-height:28px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px solid;margin:24px 0px 8px;margin-bottom:8px;margin-top:24px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' class=\"header-iWP5WJ auto-hide-last-sibling-br\" align=\"start\"\u003eParameters for Unhoused \/ Housed Versions\u003c\/h4\u003e\u003cdiv style='font-family:Inter, -apple-system, BlinkMacSystemFont, \"Segoe UI\", \"PingFang SC\", \"Hiragino Sans GB\", \"Microsoft YaHei\", \"Helvetica Neue\", Helvetica, Arial, sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px solid;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' class=\"auto-hide-last-sibling-br paragraph-pP9ZLC paragraph-element br-paragraph-space\" align=\"start\"\u003e(Detailed Introduction)\u003c\/div\u003e\u003ch4 style='font-family:Inter, -apple-system, BlinkMacSystemFont, \"Segoe UI\", \"PingFang SC\", \"Hiragino Sans GB\", \"Microsoft YaHei\", \"Helvetica Neue\", Helvetica, Arial, sans-serif;font-size:16px;font-weight:700;letter-spacing:normal;line-height:28px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px solid;margin:24px 0px 8px;margin-bottom:8px;margin-top:24px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' class=\"header-iWP5WJ auto-hide-last-sibling-br\" align=\"start\"\u003eProduct Introduction\u003c\/h4\u003e\u003cdiv style='font-family:Inter, -apple-system, BlinkMacSystemFont, \"Segoe UI\", \"PingFang SC\", \"Hiragino Sans GB\", \"Microsoft YaHei\", \"Helvetica Neue\", Helvetica, Arial, sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px solid;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' class=\"auto-hide-last-sibling-br paragraph-pP9ZLC paragraph-element br-paragraph-space\" align=\"start\"\u003eThis module primarily utilizes the real-time clock chip DS1307. It is an I2C bus interface real-time clock chip launched by Dallas Semiconductor (USA). It can operate independently of the CPU, unaffected by the CPU's main crystal oscillator and its capacitors, and features accurate timing with a monthly cumulative error generally less than 10 seconds.\u003c\/div\u003e\u003cdiv style='font-family:Inter, -apple-system, BlinkMacSystemFont, \"Segoe UI\", \"PingFang SC\", \"Hiragino Sans GB\", \"Microsoft YaHei\", \"Helvetica Neue\", Helvetica, Arial, sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px solid;margin:20px 0px 0px;margin-bottom:0px;margin-top:20px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:block;box-sizing:border-box' class=\"container-Uxvbjy md-box-line-break wrapper-GYqxgQ undefined\" align=\"start\"\u003e\u003c\/div\u003e\u003cdiv style='font-family:Inter, -apple-system, BlinkMacSystemFont, \"Segoe UI\", \"PingFang SC\", \"Hiragino Sans GB\", \"Microsoft YaHei\", \"Helvetica Neue\", Helvetica, Arial, sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px solid;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' class=\"auto-hide-last-sibling-br paragraph-pP9ZLC paragraph-element br-paragraph-space\" align=\"start\"\u003eThe chip also has a clock protection circuit for situations where the main power supply fails. The DS1307's clock is maintained by a backup battery, which prevents the CPU from accessing it for reading and writing. Additionally, it has an automatic backup power supply switching control circuit, thus ensuring accurate system clock timing even when the main power supply fails or in other harsh environmental conditions.\u003c\/div\u003e\u003ch3 style='font-family:Inter, -apple-system, BlinkMacSystemFont, \"Segoe UI\", \"PingFang SC\", \"Hiragino Sans GB\", \"Microsoft YaHei\", \"Helvetica Neue\", Helvetica, Arial, sans-serif;font-size:18px;font-weight:700;letter-spacing:normal;line-height:28px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px solid;margin:28px 0px 12px;margin-bottom:12px;margin-top:28px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' class=\"header-iWP5WJ auto-hide-last-sibling-br\" align=\"start\"\u003eExplanation\u003c\/h3\u003e\u003cul style='font-family:Inter, -apple-system, BlinkMacSystemFont, \"Segoe UI\", \"PingFang SC\", \"Hiragino Sans GB\", \"Microsoft YaHei\", \"Helvetica Neue\", Helvetica, Arial, sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px solid;margin:8px 0px;margin-bottom:8px;margin-top:8px;margin-left:0px;margin-right:0px;padding:0px 0px 0px 20px;padding-bottom:0px;padding-top:0px;padding-left:20px;padding-right:0px;list-style:none;box-sizing:border-box' class=\"auto-hide-last-sibling-br\" align=\"start\"\u003e\n\u003cli style=\"font-size:16px;font-weight:400;line-height:24px;color:rgb(0, 0, 0);border:0px solid;margin:8px 0px;margin-bottom:8px;margin-top:8px;margin-left:0px;margin-right:0px;padding:0px 0px 0px 4px;padding-bottom:0px;padding-top:0px;padding-left:4px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"color:rgb(0, 0, 0);font-size:16px\"\u003e\u003cstrong\u003eCore Component\u003c\/strong\u003e\u003c\/span\u003e: DS1307 real-time clock chip, a widely used RTC chip in electronics due to its reliability and I2C bus compatibility.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"font-size:16px;font-weight:400;line-height:24px;color:rgb(0, 0, 0);border:0px solid;margin:8px 0px;margin-bottom:8px;margin-top:8px;margin-left:0px;margin-right:0px;padding:0px 0px 0px 4px;padding-bottom:0px;padding-top:0px;padding-left:4px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"color:rgb(0, 0, 0);font-size:16px\"\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/span\u003e: Independent operation from the CPU, accurate timing with low cumulative error, and backup power protection to maintain timekeeping during main power outages. It is commonly used in Arduino and other microcontroller projects for applications requiring precise time tracking, such as data logging, time-stamped events, and automated systems.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"font-size:16px;font-weight:400;line-height:24px;color:rgb(0, 0, 0);border:0px solid;margin:8px 0px;margin-bottom:8px;margin-top:8px;margin-left:0px;margin-right:0px;padding:0px 0px 0px 4px;padding-bottom:0px;padding-top:0px;padding-left:4px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"color:rgb(0, 0, 0);font-size:16px\"\u003e\u003cstrong\u003eVersions\u003c\/strong\u003e\u003c\/span\u003e: The module is available in unhoused (bare circuit board) and housed (with a protective casing) options, catering to different needs for durability and integration in projects.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch3 style='font-family:Inter, -apple-system, BlinkMacSystemFont, \"Segoe UI\", \"PingFang SC\", \"Hiragino Sans GB\", \"Microsoft YaHei\", \"Helvetica Neue\", Helvetica, Arial, sans-serif;font-size:18px;font-weight:700;letter-spacing:normal;line-height:28px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px solid;margin:0px 0px 12px;margin-bottom:12px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' class=\"header-iWP5WJ auto-hide-last-sibling-br\" align=\"start\"\u003eProduct Parameters Table\u003c\/h3\u003e\u003cdiv style='font-family:Inter, -apple-system, BlinkMacSystemFont, \"Segoe UI\", \"PingFang SC\", \"Hiragino Sans GB\", \"Microsoft YaHei\", \"Helvetica Neue\", Helvetica, Arial, sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px solid;margin:0px 0px -4px 16.4211px;margin-bottom:-4px;margin-top:0px;margin-left:16.4211px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:482.172px;width:482.172px;position:relative;box-sizing:border-box' class=\"auto-hide-last-sibling-br mdbox-table-root table-container-cYf_5N\" align=\"start\"\u003e\u003cdiv style=\"border:0px solid;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px 0px 12px;padding-bottom:12px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;overflow:auto;width:482.159px;box-sizing:border-box\" class=\"table-scroll-container-Gyf4hQ mdbox-table-scroll-container\"\u003e\u003ctable style=\"border-collapse:collapse;text-align:left;width:max-content\" align=\"left\"\u003e\n\u003ctbody\u003e\u003ctr style=\"font-size:16px;background-color:rgb(242, 242, 242)\"\u003e\n\u003ctd style=\"font-size:16px;text-align:center;color:rgb(0, 0, 0);padding:12px 18px\" align=\"center\"\u003e\u003cp\u003eParameter\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"font-size:16px;text-align:center;color:rgb(0, 0, 0);border:0px;padding:12px 18px\" align=\"center\"\u003e\u003cp\u003eSpecification\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003ctbody\u003e\n\u003ctr style=\"font-size:16px\"\u003e\n\u003ctd style=\"font-size:16px;color:rgba(0, 0, 0, 0.85);padding:12px 18px\"\u003e\u003cp\u003eMaximum VCC Voltage\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"font-size:16px;color:rgba(0, 0, 0, 0.85);border:0px;padding:12px 18px\"\u003e\u003cp\u003e5V\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"font-size:16px\"\u003e\n\u003ctd style=\"font-size:16px;color:rgba(0, 0, 0, 0.85);padding:12px 18px\"\u003e\u003cp\u003eMinimum Power Supply Voltage\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"font-size:16px;color:rgba(0, 0, 0, 0.85);border:0px;padding:12px 18px\"\u003e\u003cp\u003e4V\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"font-size:16px\"\u003e\n\u003ctd style=\"font-size:16px;color:rgba(0, 0, 0, 0.85);padding:12px 18px\"\u003e\u003cp\u003eMemory Capacity\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"font-size:16px;color:rgba(0, 0, 0, 0.85);border:0px;padding:12px 18px\"\u003e\u003cp\u003e56 BYTES\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"font-size:16px\"\u003e\n\u003ctd style=\"font-size:16px;color:rgba(0, 0, 0, 0.85);padding:12px 18px\"\u003e\u003cp\u003eMemory Type\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"font-size:16px;color:rgba(0, 0, 0, 0.85);border:0px;padding:12px 18px\"\u003e\u003cp\u003eRAM\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"font-size:16px\"\u003e\n\u003ctd style=\"font-size:16px;color:rgba(0, 0, 0, 0.85);padding:12px 18px\"\u003e\u003cp\u003eOperating Temperature\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"font-size:16px;color:rgba(0, 0, 0, 0.85);border:0px;padding:12px 18px\"\u003e\u003cp\u003e0℃～+70℃\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"font-size:16px\"\u003e\n\u003ctd style=\"font-size:16px;color:rgba(0, 0, 0, 0.85);padding:12px 18px\"\u003e\u003cp\u003eInterrupt Type\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"font-size:16px;color:rgba(0, 0, 0, 0.85);border:0px;padding:12px 18px\"\u003e\u003cp\u003eAll-day Time\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"font-size:16px\"\u003e\n\u003ctd style=\"font-size:16px;color:rgba(0, 0, 0, 0.85);padding:12px 18px\"\u003e\u003cp\u003eInterface Type\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"font-size:16px;color:rgba(0, 0, 0, 0.85);border:0px;padding:12px 18px\"\u003e\u003cp\u003eSERIAL, I2C\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"font-size:16px\"\u003e\n\u003ctd style=\"font-size:16px;color:rgba(0, 0, 0, 0.85);padding:12px 18px\"\u003e\u003cp\u003eClock Frequency\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"font-size:16px;color:rgba(0, 0, 0, 0.85);border:0px;padding:12px 18px\"\u003e\u003cp\u003e32.768KHZ\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"font-size:16px\"\u003e\n\u003ctd style=\"font-size:16px;color:rgba(0, 0, 0, 0.85);padding:12px 18px\"\u003e\u003cp\u003eFeature\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"font-size:16px;color:rgba(0, 0, 0, 0.85);border:0px;padding:12px 18px\"\u003e\u003cp\u003eSquare Wave Output\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"font-size:16px\"\u003e\n\u003ctd style=\"font-size:16px;color:rgba(0, 0, 0, 0.85);padding:12px 18px\"\u003e\u003cp\u003eType\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"font-size:16px;color:rgba(0, 0, 0, 0.85);border:0px;padding:12px 18px\"\u003e\u003cp\u003eRTC\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"font-size:16px\"\u003e\n\u003ctd style=\"font-size:16px;color:rgba(0, 0, 0, 0.85);padding:12px 18px\"\u003e\u003cp\u003eSurface Mount Device\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"font-size:16px;color:rgba(0, 0, 0, 0.85);border:0px;padding:12px 18px\"\u003e\u003cp\u003eThrough-hole Mount\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003c\/div\u003e\u003ch3 style='font-family:Inter, -apple-system, BlinkMacSystemFont, \"Segoe UI\", \"PingFang SC\", \"Hiragino Sans GB\", \"Microsoft YaHei\", \"Helvetica Neue\", Helvetica, Arial, sans-serif;font-size:18px;font-weight:700;letter-spacing:normal;line-height:28px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px solid;margin:28px 0px 12px;margin-bottom:12px;margin-top:28px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' class=\"header-iWP5WJ auto-hide-last-sibling-br\" align=\"start\"\u003eExplanation\u003c\/h3\u003e\u003cdiv style='font-family:Inter, -apple-system, BlinkMacSystemFont, \"Segoe UI\", \"PingFang SC\", \"Hiragino Sans GB\", \"Microsoft YaHei\", \"Helvetica Neue\", Helvetica, Arial, sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px solid;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' class=\"auto-hide-last-sibling-br paragraph-pP9ZLC paragraph-element br-paragraph-space\" align=\"start\"\u003eThis is a real-time clock (RTC) module, likely based on the DS1307 chip (consistent with prior context). Key features include:\u003c\/div\u003e\u003cdiv style='font-family:Inter, -apple-system, BlinkMacSystemFont, \"Segoe UI\", \"PingFang SC\", \"Hiragino Sans GB\", \"Microsoft YaHei\", \"Helvetica Neue\", Helvetica, Arial, sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px solid;margin:20px 0px 0px;margin-bottom:0px;margin-top:20px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:block;box-sizing:border-box' class=\"container-Uxvbjy md-box-line-break wrapper-GYqxgQ undefined\" align=\"start\"\u003e\u003c\/div\u003e\u003cul style='font-family:Inter, -apple-system, BlinkMacSystemFont, \"Segoe UI\", \"PingFang SC\", \"Hiragino Sans GB\", \"Microsoft YaHei\", \"Helvetica Neue\", Helvetica, Arial, sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px solid;margin:8px 0px;margin-bottom:8px;margin-top:8px;margin-left:0px;margin-right:0px;padding:0px 0px 0px 20px;padding-bottom:0px;padding-top:0px;padding-left:20px;padding-right:0px;list-style:none;box-sizing:border-box' class=\"auto-hide-last-sibling-br\" align=\"start\"\u003e\n\u003cli style=\"font-size:16px;font-weight:400;line-height:24px;color:rgb(0, 0, 0);border:0px solid;margin:8px 0px;margin-bottom:8px;margin-top:8px;margin-left:0px;margin-right:0px;padding:0px 0px 0px 4px;padding-bottom:0px;padding-top:0px;padding-left:4px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"color:rgb(0, 0, 0);font-size:16px\"\u003e\u003cstrong\u003ePower \u0026amp; Memory\u003c\/strong\u003e\u003c\/span\u003e: Operates within 4V-5V, with 56 bytes of RAM for temporary data storage.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"font-size:16px;font-weight:400;line-height:24px;color:rgb(0, 0, 0);border:0px solid;margin:8px 0px;margin-bottom:8px;margin-top:8px;margin-left:0px;margin-right:0px;padding:0px 0px 0px 4px;padding-bottom:0px;padding-top:0px;padding-left:4px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"color:rgb(0, 0, 0);font-size:16px\"\u003e\u003cstrong\u003eTiming \u0026amp; Interface\u003c\/strong\u003e\u003c\/span\u003e: Uses a 32.768KHZ clock frequency for accurate timekeeping, supports I2C and serial interfaces for easy integration with microcontrollers like Arduino.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"font-size:16px;font-weight:400;line-height:24px;color:rgb(0, 0, 0);border:0px solid;margin:8px 0px;margin-bottom:8px;margin-top:8px;margin-left:0px;margin-right:0px;padding:0px 0px 0px 4px;padding-bottom:0px;padding-top:0px;padding-left:4px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"color:rgb(0, 0, 0);font-size:16px\"\u003e\u003cstrong\u003eFunctionality\u003c\/strong\u003e\u003c\/span\u003e: Offers all-day time interrupts and square wave output, enabling applications like periodic event triggering.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"font-size:16px;font-weight:400;line-height:24px;color:rgb(0, 0, 0);border:0px solid;margin:8px 0px;margin-bottom:8px;margin-top:8px;margin-left:0px;margin-right:0px;padding:0px 0px 0px 4px;padding-bottom:0px;padding-top:0px;padding-left:4px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"color:rgb(0, 0, 0);font-size:16px\"\u003e\u003cstrong\u003ePhysical \u0026amp; Environmental\u003c\/strong\u003e\u003c\/span\u003e: Through-hole mounting for stability, works in 0℃-70℃, suitable for general electronic projects requiring reliable time tracking.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S0aa89acfb2fc49b493ad473f1414f86a2.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e","brand":"Yoeruyo","offers":[{"title":"w Housing 4P Wire \/ China Mainland","offer_id":55374033551659,"sku":"14:351074#w Housing 4P Wire;200007763:201336100","price":16.83,"currency_code":"USD","in_stock":true},{"title":"Sgl Bd w 4P Wire \/ China Mainland","offer_id":55374033584427,"sku":"14:1202#Sgl Bd w 4P Wire;200007763:201336100","price":16.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/S92dda3416f5b49cb901f98f00ed55633C.webp?v=1788323231","url":"https:\/\/yoeruyo.com\/products\/snvi-ds1307-pcf8563-rtc-module-real-time-clock-i2c-timekeeping-backup-battery-with-case-cable","provider":"Yoeruyo","version":"1.0","type":"link"}