{"v":"2.0","page_type":"product","title":"RX-8581SA:B3:ROHS EPSON | Integrated Circuits (ICs) | DigiKey","breadcrumbs":[{"label":"Home","href":"/python/html6/index.html"},{"label":"Brands","href":"/python/html6/menu_brand_index/menu_brand_index_brands_87101ba214.html"},{"label":"EPSON","href":"/python/html6/menu_brand_products/1000/52000/menu_brand_products_Epson_1_ca04b0bf84.html"},{"label":"RX-8581SA:B3:ROHS","href":null}],"content":{"product":{"mpn":"RX-8581SA:B3:ROHS","manufacturer":"EPSON","brand":"EPSON","brand_url":"/python/html6/menu_brand_products/1000/52000/menu_brand_products_Epson_1_ca04b0bf84.html","title":"RX-8581SA:B3:ROHS EPSON | Integrated Circuits (ICs) | DigiKey","description":"","attributes":[{"name":"Brand name","values":[{"value":"EPSON","url":"/python/html6/menu_attr_pair/1000/178000000/178964000/menu_attr_pair_Brandname_EPSON_1_1069158b54.html"}],"name_url":"/python/html6/menu_attr_pair/1000/178000000/178964000/menu_attr_pair_Brandname_EPSON_1_1069158b54.html"},{"name":"Manufacturer name","values":[{"value":"EPSON","url":"/python/html6/menu_attr_pair/1000/100000000/100454000/menu_attr_pair_Manufacturername_EPSON_1_f1f7847a9b.html"}],"name_url":"/python/html6/menu_attr_pair/1000/100000000/100454000/menu_attr_pair_Manufacturername_EPSON_1_f1f7847a9b.html"},{"name":"Manufacturer","values":[{"value":"EPSON","url":"/python/html6/menu_attr_pair/1000/1000000/1766000/menu_attr_pair_Manufacturer_EPSON_1_a7aa7b7cda.html"}],"name_url":"/python/html6/menu_attr_pair/1000/1000000/1766000/menu_attr_pair_Manufacturer_EPSON_1_a7aa7b7cda.html"},{"name":"Extra Product Name","values":[{"value":"RX-8581SA:B3:ROHS EPSON | Integrated Circuits (ICs) | DigiKey","url":"/python/html6/menu_attr_pair/1000/169000000/169772000/menu_attr_pair_ExtraProductName_RX8581SAB3ROHSEPSONIntegratedCircuitsICsDi_1_432cb80798.html"}],"name_url":"/python/html6/menu_attr_pair/1000/169000000/169772000/menu_attr_pair_ExtraProductName_RX8581SAB3ROHSEPSONIntegratedCircuitsICsDi_1_432cb80798.html"},{"name":"atoms","values":[{"value":"1","url":"/python/html6/menu_attr_pair/1000/170000000/170257000/menu_attr_pair_atoms_1_1_fa25edd0e2.html"}],"name_url":"/python/html6/menu_attr_pair/1000/170000000/170257000/menu_attr_pair_atoms_1_1_fa25edd0e2.html"},{"name":"extraShipping","values":[{"value":"0","url":"/python/html6/menu_attr_pair/1000/258000000/258584000/menu_attr_pair_extraShipping_0_1_bd4d53cdf7.html"}],"name_url":"/python/html6/menu_attr_pair/1000/258000000/258584000/menu_attr_pair_extraShipping_0_1_bd4d53cdf7.html"},{"name":"moq","values":[{"value":"1","url":"/python/html6/menu_attr_pair/1000/164000000/164262000/menu_attr_pair_moq_1_1_29ca727a89.html"}],"name_url":"/python/html6/menu_attr_pair/1000/164000000/164262000/menu_attr_pair_moq_1_1_29ca727a89.html"},{"name":"MPN","values":[{"value":"RX-8581SA:B3:ROHS","url":"/python/html6/menu_attr_pair/1000/127000000/127438000/menu_attr_pair_MPN_RX8581SAB3ROHS_1_bf31e1f911.html"}],"name_url":"/python/html6/menu_attr_pair/1000/127000000/127438000/menu_attr_pair_MPN_RX8581SAB3ROHS_1_bf31e1f911.html"},{"name":"multiple","values":[{"value":"1","url":"/python/html6/menu_attr_pair/1000/257000000/257999000/menu_attr_pair_multiple_1_1_2f60c1bab8.html"}],"name_url":"/python/html6/menu_attr_pair/1000/257000000/257999000/menu_attr_pair_multiple_1_1_2f60c1bab8.html"},{"name":"qtyInStock","values":[{"value":"0","url":"/python/html6/menu_attr_pair/1000/119000000/119332000/menu_attr_pair_qtyInStock_0_1_38510c9e21.html"}],"name_url":"/python/html6/menu_attr_pair/1000/119000000/119332000/menu_attr_pair_qtyInStock_0_1_38510c9e21.html"},{"name":"SKU","values":[{"value":"1654235","url":"/python/html6/menu_attr_pair/1000/101000000/101957000/menu_attr_pair_SKU_1654235_1_370489bf83.html"}],"name_url":"/python/html6/menu_attr_pair/1000/101000000/101957000/menu_attr_pair_SKU_1654235_1_370489bf83.html"},{"name":"snippet","values":[{"value":"Real Time Clock (RTC) IC Clock/Calendar I?C, 2-Wire Serial 14-SOIC (0.209\\","url":"/python/html6/menu_attr_pair/1000/34000000/34575000/menu_attr_pair_snippet_RealTimeClockRTCICClockCalendarIC2WireSeri_1_7487c13aa2.html"}],"name_url":"/python/html6/menu_attr_pair/1000/34000000/34575000/menu_attr_pair_snippet_RealTimeClockRTCICClockCalendarIC2WireSeri_1_7487c13aa2.html"},{"name":"Category","values":[{"value":"Integrated Circuits (ICs)","url":"/python/html6/menu_attr_pair/1000/204000000/204272000/menu_attr_pair_Category_IntegratedCircuitsICs_1_275d5152dd.html"}],"name_url":"/python/html6/menu_attr_pair/1000/204000000/204272000/menu_attr_pair_Category_IntegratedCircuitsICs_1_275d5152dd.html"},{"name":"Mfr","values":[{"value":"EPSON","url":"/python/html6/menu_attr_pair/1000/197000000/197820000/menu_attr_pair_Mfr_EPSON_1_94e68497e1.html"}],"name_url":"/python/html6/menu_attr_pair/1000/197000000/197820000/menu_attr_pair_Mfr_EPSON_1_94e68497e1.html"},{"name":"Series","values":[{"value":"RX-8581SA","url":"/python/html6/menu_attr_pair/1000/99000000/99155000/menu_attr_pair_Series_RX8581SA_1_646eeb3b04.html"}],"name_url":"/python/html6/menu_attr_pair/1000/99000000/99155000/menu_attr_pair_Series_RX8581SA_1_646eeb3b04.html"},{"name":"Package","values":[{"value":"Tape & Reel (TR)","url":"/python/html6/menu_attr_pair/1000/9000000/9107000/menu_attr_pair_Package_TapeReelTR_1_0d5e14422d.html"}],"name_url":"/python/html6/menu_attr_pair/1000/9000000/9107000/menu_attr_pair_Package_TapeReelTR_1_0d5e14422d.html"},{"name":"Product Status","values":[{"value":"Obsolete","url":"/python/html6/menu_attr_pair/1000/190000000/190762000/menu_attr_pair_ProductStatus_Obsolete_1_e796775a3e.html"}],"name_url":"/python/html6/menu_attr_pair/1000/190000000/190762000/menu_attr_pair_ProductStatus_Obsolete_1_e796775a3e.html"},{"name":"Type","values":[{"value":"Clock/Calendar","url":"/python/html6/menu_attr_pair/1000/79000000/79707000/menu_attr_pair_Type_ClockCalendar_1_df9db76436.html"}],"name_url":"/python/html6/menu_attr_pair/1000/79000000/79707000/menu_attr_pair_Type_ClockCalendar_1_df9db76436.html"},{"name":"Features","values":[{"value":"Alarm, Leap Year","url":"/python/html6/menu_attr_pair/1000/108000000/108065000/menu_attr_pair_Features_AlarmLeapYear_1_62dbb27b5f.html"}],"name_url":"/python/html6/menu_attr_pair/1000/108000000/108065000/menu_attr_pair_Features_AlarmLeapYear_1_62dbb27b5f.html"},{"name":"Memory Size","values":[{"value":"-","url":"/python/html6/menu_attr_pair/1000/190000000/190855000/menu_attr_pair_MemorySize_unknown_1_aa557ce26f.html"}],"name_url":"/python/html6/menu_attr_pair/1000/190000000/190855000/menu_attr_pair_MemorySize_unknown_1_aa557ce26f.html"},{"name":"Time Format","values":[{"value":"HH:MM:SS (24 hr)","url":"/python/html6/menu_attr_pair/1000/77000000/77371000/menu_attr_pair_TimeFormat_HHMMSS24hr_1_6098463ded.html"}],"name_url":"/python/html6/menu_attr_pair/1000/77000000/77371000/menu_attr_pair_TimeFormat_HHMMSS24hr_1_6098463ded.html"},{"name":"Date Format","values":[{"value":"YY-MM-DD-dd","url":"/python/html6/menu_attr_pair/1000/189000000/189022000/menu_attr_pair_DateFormat_YYMMDDdd_1_0bfedbf675.html"}],"name_url":"/python/html6/menu_attr_pair/1000/189000000/189022000/menu_attr_pair_DateFormat_YYMMDDdd_1_0bfedbf675.html"},{"name":"Interface","values":[{"value":"I?C, 2-Wire Serial","url":"/python/html6/menu_attr_pair/1000/86000000/86181000/menu_attr_pair_Interface_IC2WireSerial_1_c4f30af951.html"}],"name_url":"/python/html6/menu_attr_pair/1000/86000000/86181000/menu_attr_pair_Interface_IC2WireSerial_1_c4f30af951.html"},{"name":"Voltage - Supply","values":[{"value":"1.8V ~ 5.5V","url":"/python/html6/menu_attr_pair/1000/256000000/256757000/menu_attr_pair_VoltageSupply_18V55V_1_f5f3648809.html"}],"name_url":"/python/html6/menu_attr_pair/1000/256000000/256757000/menu_attr_pair_VoltageSupply_18V55V_1_f5f3648809.html"},{"name":"Voltage - Supply, Battery","values":[{"value":"-","url":"/python/html6/menu_attr_pair/1000/218000000/218219000/menu_attr_pair_VoltageSupplyBattery_unknown_1_1951980dc2.html"}],"name_url":"/python/html6/menu_attr_pair/1000/218000000/218219000/menu_attr_pair_VoltageSupplyBattery_unknown_1_1951980dc2.html"},{"name":"Current - Timekeeping (Max)","values":[{"value":"0.8?A ~ 1.2?A @ 3V ~ 5V","url":"/python/html6/menu_attr_pair/1000/213000000/213346000/menu_attr_pair_CurrentTimekeepingMax_08A12A3V5V_1_98315e17da.html"}],"name_url":"/python/html6/menu_attr_pair/1000/213000000/213346000/menu_attr_pair_CurrentTimekeepingMax_08A12A3V5V_1_98315e17da.html"},{"name":"Operating Temperature","values":[{"value":"-40?C ~ 85?C","url":"/python/html6/menu_attr_pair/1000/248000000/248320000/menu_attr_pair_OperatingTemperature_40C85C_1_baea4dff75.html"}],"name_url":"/python/html6/menu_attr_pair/1000/248000000/248320000/menu_attr_pair_OperatingTemperature_40C85C_1_baea4dff75.html"},{"name":"Mounting Type","values":[{"value":"Surface Mount","url":"/python/html6/menu_attr_pair/1000/133000000/133047000/menu_attr_pair_MountingType_SurfaceMount_1_2b547b73a9.html"}],"name_url":"/python/html6/menu_attr_pair/1000/133000000/133047000/menu_attr_pair_MountingType_SurfaceMount_1_2b547b73a9.html"},{"name":"Package / Case","values":[{"value":"14-SOIC (0.209\", 5.30mm Width)","url":"/python/html6/menu_attr_pair/1000/252000000/252663000/menu_attr_pair_PackageCase_14SOIC0209530mmWidth_1_3ae2bb6c25.html"}],"name_url":"/python/html6/menu_attr_pair/1000/252000000/252663000/menu_attr_pair_PackageCase_14SOIC0209530mmWidth_1_3ae2bb6c25.html"},{"name":"Supplier Device Package","values":[{"value":"14-SOP","url":"/python/html6/menu_attr_pair/1000/154000000/154264000/menu_attr_pair_SupplierDevicePackage_14SOP_1_575dd91d17.html"}],"name_url":"/python/html6/menu_attr_pair/1000/154000000/154264000/menu_attr_pair_SupplierDevicePackage_14SOP_1_575dd91d17.html"}],"images":[],"distributors":[{"name":"Digi-Key","sku":"1654235","url":"https://www.digikey.com/en/products/detail/epson/RX-8581SA-B3-ROHS/1654235","pricing":[],"stock":{"available":false,"quantity":null,"lead_time_days":null},"moq":1,"multiple":1},{"name":"Hotenda","sku":"H2301778","url":"http://www.hotenda.com/product-item/clock-timing-real-time-clocks/RX-8581SA%3AB3%3AROHS/H2301778.html","pricing":[{"quantity":1,"price_usd":2.59}],"stock":{"available":true,"quantity":5500,"lead_time_days":0},"moq":250,"multiple":250},{"name":"Win Source","sku":"RX-8581SA:B3:ROHS","url":"https://www.win-source.net/clocktiming-real-time-clocks-rx-8581sab3rohs.html","pricing":[],"stock":{"available":true,"quantity":1841,"lead_time_days":0},"moq":1,"multiple":1},{"name":"swatee.com","sku":"RX-8581SA:B3:ROHS","url":"https://www.swatee.com/Epson/RX-8581SA-B3-ROHS--87737602.html","pricing":[{"quantity":1,"price_usd":5.87}],"stock":{"available":true,"quantity":366,"lead_time_days":0},"moq":1,"multiple":1,"image":"https://www.swatee.com/19071898-large_default/RX-8581SA-B3-ROHS.jpg"},{"name":"Digi-Key","sku":"1021882","url":"https://www.digikey.com/en/products/detail/epson/RX-8581SA-B3-ROHS/1021882","pricing":[],"stock":{"available":false,"quantity":null,"lead_time_days":null},"moq":1,"multiple":1},{"name":"Digi-Key","sku":"1888090","url":"https://www.digikey.com/en/products/detail/epson/RX-8581SA-B3-ROHS/1888090","pricing":[],"stock":{"available":false,"quantity":null,"lead_time_days":null},"moq":1,"multiple":1}],"amazon":{"available":false,"products":[]},"metadata":{"generated_date":"2026-09-16","last_updated":"2026-09-16","data_sources":["Digi-Key","Hotenda","Win Source","swatee.com"],"completeness":0.85,"version":"1.2"}}},"pagination":null,"nav":{"home":"/python/html6/index.html","brands":"/python/html6/menu_brand_index/menu_brand_index_brands_87101ba214.html","parts":"/python/html6/menu_part_index/menu_part_index_parts_909e6bf0ca.html","attributes":"/python/html6/menu_attr_index/menu_attr_index_attributes_d7f67a250d.html"}}