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 DS1501/DS1511FEATURES
BCD-Coded Century, Year, Month, Date, Day, Hours, Minutes, and Seconds with Automatic Leap-Year Compensation Valid Up to the Year 2100 Programmable Watchdog Timer and RTC Alarm Century Register; Y2K-Compliant RTC +3.3 (W) or +5V (Y) Operation Precision Power-On Reset Power-Control Circuitry Support System Power-On from Date/Day/Time Alarm or Key Closure/Modem-Detect Signal 256 Bytes Battery-Backed SRAM Auxiliary Battery Input Accuracy of DS1511 Better than ±1 Minute/Month at +25°C Day-of-Week/Date Alarm Register Crystal Select Bit Allow RTC to Operate with 6pF or 12.6pF Crystal (DS1501) Battery Voltage-Level Indicator Flags Available as Chip (DS1501) or Stand-Alone Encapsulated DIP Module with Embedded Battery and Crystal (DS1511) Underwriters Laboratories (UL) Recognized |
