{"id":34197,"date":"2026-06-29T12:14:42","date_gmt":"2026-06-29T10:14:42","guid":{"rendered":"https:\/\/tsecengineering.shop\/?post_type=product&#038;p=34197"},"modified":"2026-06-29T12:35:36","modified_gmt":"2026-06-29T10:35:36","slug":"eeprom-spi-25lc640at-so8","status":"publish","type":"product","link":"https:\/\/tsecengineering.shop\/en\/shop\/eeprom-spi-25lc640at-so8\/","title":{"rendered":"Microchip 25LC640AT SO8 SPI EEPROM memory"},"content":{"rendered":"<p class=\"isSelectedEnd\">The <strong>Microchip Technology 25LC640AT<\/strong> is a <strong>64 kbit<\/strong> <strong>SPI serial EEPROM<\/strong>, compatible with <strong>25C640<\/strong> family devices and equivalent variants.<\/p>\n<p>It is suitable for electronic repair work, component replacement, reading, writing and programming on ECUs, automotive modules and compatible electronic devices. The <strong>SO8\/SOIC SMD<\/strong> format allows relatively simple handling compared to BGA packages, but still requires proper equipment for desoldering, soldering and component verification. <\/p>\n<p>&nbsp;<\/p>\n<h3>Main features<\/h3>\n<table style=\"height: 231px;\" width=\"538\">\n<tbody>\n<tr>\n<td><strong>Manufacturer:<\/strong><\/td>\n<td>Microchip Technology<\/td>\n<\/tr>\n<tr>\n<td><strong>Part number:<\/strong><\/td>\n<td>25LC640AT<\/td>\n<\/tr>\n<tr>\n<td><strong>Product code:<\/strong><\/td>\n<td>CHP-E2P-25640-SO8<\/td>\n<\/tr>\n<tr>\n<td><strong>Memory type:<\/strong><\/td>\n<td>SPI EEPROM<\/td>\n<\/tr>\n<tr>\n<td><strong>Compatibility:<\/strong><\/td>\n<td>25C640 and equivalent variants<\/td>\n<\/tr>\n<tr>\n<td><strong>Capacity:<\/strong><\/td>\n<td>64 kbit (8K x 8)<\/td>\n<\/tr>\n<tr>\n<td><strong>Clock frequency:<\/strong><\/td>\n<td>10 MHz<\/td>\n<\/tr>\n<tr>\n<td><strong>Write cycle time:<\/strong><\/td>\n<td>5 ms<\/td>\n<\/tr>\n<tr>\n<td><strong>Interface:<\/strong><\/td>\n<td>SPI<\/td>\n<\/tr>\n<tr>\n<td><strong>Supply voltage:<\/strong><\/td>\n<td>2.5 V ~ 5.5 V<\/td>\n<\/tr>\n<tr>\n<td><strong>Operating temperature:<\/strong><\/td>\n<td>-40 \u00b0C ~ 125 \u00b0C<\/td>\n<\/tr>\n<tr>\n<td><strong>Mounting:<\/strong><\/td>\n<td>SMD \/ SMT<\/td>\n<\/tr>\n<tr>\n<td><strong>Package:<\/strong><\/td>\n<td>SO8 \/ SOIC-8<\/td>\n<\/tr>\n<tr>\n<td><strong>Case:<\/strong><\/td>\n<td>8-SOIC, 0.154&#8243;, 3.90 mm width<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Microchip Technology <strong>25LC640AT<\/strong> <strong>64 kbit<\/strong> SPI EEPROM memory, compatible with 25C640 devices and equivalent variants. SMD component in SO8\/SOIC package for electronic repairs, programming, and replacement on automotive modules and compatible electronic devices. <\/p>\n","protected":false},"featured_media":33719,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[937,1063],"product_tag":[1173,1172,394,971,1056,1046,1017,972,1016,1049,397,1057,406],"class_list":["post-34197","product","type-product","status-publish","has-post-thumbnail","product_cat-memories-chips","product_cat-eeprom","product_tag-25c640","product_tag-25lc640at","product_tag-eeprom","product_tag-memories-2","product_tag-microchip","product_tag-microchip-technology","product_tag-smd","product_tag-smd-chip","product_tag-so8","product_tag-soic-8","product_tag-spi","product_tag-sso8","product_tag-tssop8","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/tsecengineering.shop\/en\/wp-json\/wp\/v2\/product\/34197","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tsecengineering.shop\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/tsecengineering.shop\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/tsecengineering.shop\/en\/wp-json\/wp\/v2\/comments?post=34197"}],"version-history":[{"count":2,"href":"https:\/\/tsecengineering.shop\/en\/wp-json\/wp\/v2\/product\/34197\/revisions"}],"predecessor-version":[{"id":34206,"href":"https:\/\/tsecengineering.shop\/en\/wp-json\/wp\/v2\/product\/34197\/revisions\/34206"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tsecengineering.shop\/en\/wp-json\/wp\/v2\/media\/33719"}],"wp:attachment":[{"href":"https:\/\/tsecengineering.shop\/en\/wp-json\/wp\/v2\/media?parent=34197"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/tsecengineering.shop\/en\/wp-json\/wp\/v2\/product_brand?post=34197"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/tsecengineering.shop\/en\/wp-json\/wp\/v2\/product_cat?post=34197"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/tsecengineering.shop\/en\/wp-json\/wp\/v2\/product_tag?post=34197"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}