{"id":10361,"date":"2026-07-19T12:47:07","date_gmt":"2026-07-19T12:47:07","guid":{"rendered":"https:\/\/ic-vendor.com\/24lc512t-i-sm\/"},"modified":"2026-07-19T12:47:07","modified_gmt":"2026-07-19T12:47:07","slug":"24lc512t-i-sm","status":"publish","type":"post","link":"https:\/\/ic-vendor.com\/zh\/24lc512t-i-sm\/","title":{"rendered":"24LC512T-I\/SM"},"content":{"rendered":"<h2>\u4ea7\u54c1\u6982\u89c8<\/h2>\n<p>The 24LC512T-I\/SM is a 512Kbit (64K x 8) I2C Serial EEPROM from Microchip&#8217;s 24LC512 series. It operates from 2.5V to 5.5V with a maximum clock frequency of 400kHz, providing reliable non-volatile data storage in an 8-pin SOIJ surface-mount package with industrial temperature range.<\/p>\n<h2>\u4e3b\u8981\u89c4\u683c<\/h2>\n<table>\n<tr>\n<td>Memory Density<\/td>\n<td>512Kbit (64KB)<\/td>\n<\/tr>\n<tr>\n<td>Organization<\/td>\n<td>64K x 8<\/td>\n<\/tr>\n<tr>\n<td>Interface<\/td>\n<td>I2C (2-wire)<\/td>\n<\/tr>\n<tr>\n<td>Max Clock Frequency<\/td>\n<td>400kHz<\/td>\n<\/tr>\n<tr>\n<td>\u7535\u6e90\u7535\u538b<\/td>\n<td>2.5V to 5.5V<\/td>\n<\/tr>\n<tr>\n<td>Page Size<\/td>\n<td>128 bytes<\/td>\n<\/tr>\n<tr>\n<td>Write Cycle Time<\/td>\n<td>5ms max<\/td>\n<\/tr>\n<tr>\n<td>Endurance<\/td>\n<td>1,000,000 cycles<\/td>\n<\/tr>\n<tr>\n<td>Data Retention<\/td>\n<td>>200 years<\/td>\n<\/tr>\n<tr>\n<td>\u5305\u88c5<\/td>\n<td>8-SOIJ (5.33&#215;5.38mm)<\/td>\n<\/tr>\n<tr>\n<td>\u5de5\u4f5c\u6e29\u5ea6<\/td>\n<td>-40\u00b0C to +85\u00b0C<\/td>\n<\/tr>\n<\/table>\n<h2>\u7279\u70b9<\/h2>\n<ul>\n<li>Low-power CMOS technology (1\u03bcA standby, 400\u03bcA active)<\/li>\n<li>128-byte page write buffer<\/li>\n<li>Hardware write-protect pin (WP)<\/li>\n<li>Cascadable up to 8 devices on same I2C bus<\/li>\n<li>Schmitt trigger inputs for noise suppression<\/li>\n<li>ESD protection >4000V<\/li>\n<li>AEC-Q100 qualified (automotive grade available)<\/li>\n<\/ul>\n<h2>\u5e94\u7528<\/h2>\n<ul>\n<li>Data acquisition and logging<\/li>\n<li>Personal communications equipment<\/li>\n<li>Industrial control parameter storage<\/li>\n<li>Automotive ECU calibration data<\/li>\n<li>Consumer electronics configuration storage<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Product Overview The 24LC512T-I\/SM is a 512Kbit (64K x 8) I2C Serial EEPROM from Microchip&#8217;s 24LC512 series. It operates from 2.5V to 5.5V with a maximum clock frequency of 400kHz, providing reliable non-volatile data storage in an 8-pin SOIJ surface-mount package with industrial temperature range. Key Specifications Memory Density 512Kbit (64KB) Organization 64K x 8 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[40,4],"tags":[1650,1651,1652],"chip_brand":[134],"class_list":["post-10361","post","type-post","status-publish","format-standard","hentry","category-electrically-erasable-programmable-read-only-memory-eeprom","category-memory-chips","tag-24lc512t-i-sm","tag-eeprom","tag-i2c","chip_brand-microchip"],"acf":{"brief_explanation":"512Kbit I2C EEPROM, 400kHz, 2.5-5.5V, 128B page, 8-SOIJ, -40~85\u00b0C","date_code":"","package_case":"8-SOIJ (5.33 x 5.38 x 1.98mm)","in_stock":8500,"datasheet":"https:\/\/www.microchip.com\/en-us\/product\/24LC512","price":"","product_introduction":"The 24LC512T-I\/SM is a 512Kbit I2C Serial EEPROM from Microchip, organized as 64K x 8 bits with a 2-wire I2C interface operating up to 400kHz. It operates from 2.5V to 5.5V with ultra-low power consumption (1\u03bcA standby, 400\u03bcA active). The 128-byte page write buffer enables efficient multi-byte writes, while the hardware write-protect pin and cascading capability (up to 8 devices) provide flexible system design options. The SOIJ package offers a compact footprint with robust solder joint reliability.","working_principle":"The 24LC512 communicates via the I2C protocol using SDA (data) and SCL (clock) lines. The master initiates communication by sending a START condition followed by the device address (7-bit + R\/W bit), which includes 3 hardware address bits (A0-A2) for multi-device bus operation. For write operations, the master sends a 16-bit address followed by up to 128 bytes of data. The device internally programs the data within 5ms (self-timed). For read operations, the master sends the address then issues a repeated START with R\/W=1 to read data sequentially. The WP pin, when asserted high, protects the entire upper quadrant of memory from write operations.","pin_description":"<table><tr><th>Pin<\/th><th>Name<\/th><th>Function<\/th><\/tr><tr><td>1<\/td><td>A0<\/td><td>Address Input 0<\/td><\/tr><tr><td>2<\/td><td>A1<\/td><td>Address Input 1<\/td><\/tr><tr><td>3<\/td><td>A2<\/td><td>Address Input 2<\/td><\/tr><tr><td>4<\/td><td>VSS<\/td><td>Ground<\/td><\/tr><tr><td>5<\/td><td>SDA<\/td><td>Serial Data (I2C)<\/td><\/tr><tr><td>6<\/td><td>SCL<\/td><td>Serial Clock (I2C)<\/td><\/tr><tr><td>7<\/td><td>WP<\/td><td>Write Protect<\/td><\/tr><tr><td>8<\/td><td>VCC<\/td><td>Power Supply<\/td><\/tr><\/table>","application_scenarios":"<ul><li>Data acquisition system parameter and calibration storage<\/li><li>Personal communication device configuration data<\/li><li>Industrial controller setup and tuning parameters<\/li><li>Automotive ECU calibration and fault code storage<\/li><li>Consumer electronics user preference and channel memory<\/li><\/ul>","alternative_models":"<table><tr><th>Manufacturer<\/th><th>Part Number<\/th><th>Density<\/th><th>Notes<\/th><\/tr><tr><td>Microchip<\/td><td>24AA512T-I\/SM<\/td><td>512Kbit<\/td><td>1.7V-5.5V wider voltage range<\/td><\/tr><tr><td>STMicro<\/td><td>M24M512-DRMN6TP<\/td><td>512Kbit<\/td><td>I2C EEPROM, SO8<\/td><\/tr><tr><td>ON Semi<\/td><td>CAT24C512WI<\/td><td>512Kbit<\/td><td>I2C EEPROM equivalent<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/posts\/10361","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/comments?post=10361"}],"version-history":[{"count":0,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/posts\/10361\/revisions"}],"wp:attachment":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/media?parent=10361"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/categories?post=10361"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/tags?post=10361"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=10361"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}