品牌索引 产品分类 > 小信号开关二极管> 瞬态电压抑制器TVS/ESD> 双极管二极管> 调谐二极管> 齐纳(稳压)二极管> 小信号肖特基二极管> 频带转换二极管> 中/高功率管> 射频PIN二极管> Sinterglass二极管> 整流器 > N沟道(N-Channel)> P沟道(P-Channel)> 双N沟道(Dual N-Channel)> 双P沟道(Dual P-Channel)> 双N和P沟道(Dual N and P-Channel)
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产品介绍 DS1248/DS1248PFEATURES
Real-Time Clock (RTC) Keeps Track of Hundredths of Seconds, Minutes, Hours, Days, Date of the Month, Months, and Years 128k x 8 NV SRAM Directly Replaces Volatile Static RAM or EEPROM Embedded Lithium Energy Cell Maintains Calendar Operation and Retains RAM Data Watch Function is Transparent to RAM Operation Month and Year Determine the Number of Days in Each Month; Valid Up to 2100 Full 10% Operating Range Operating Temperature Range: 0°C to +70°C Over 10 Years of Data Retention in the Absence of Power Lithium Energy Source is Electrically Disconnected to Retain Freshness Until Power is Applied for the First Time DIP Module Only Standard 32-Pin JEDEC Pinout Underwriters Laboratory (UL) Recognized (www.maxim-ic.com/qa/info/ul/) Available in Lead-Free Package PowerCap® Module Board Only Surface Mountable Package for Direct Connection to PowerCap Containing Battery and Crystal Replaceable Battery (PowerCap) Pin-for-Pin Compatible with DS1244P and DS1251P |