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 DS1216FEATURES
Keeps track of hundredths of seconds, seconds, minutes, hours, days, date of the month, months, and years Converts standard 2k x 8 up to 512k x 8 CMOS static RAMs into nonvolatile memory Embedded lithium energy cell maintains watch information and retains RAM data Watch function is transparent to RAM operation Month and year determine the number of days in each month; leap-year compensation valid up to 2100 Lithium energy source is electrically disconnected to retain freshness until power is applied for the first time Proven gas-tight socket contacts Full 10% operating range Operating temperature range: 0C to +70C Accuracy is better than 1 minute/month @ +25C |