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 DS12R885/DS12CR887/DS12R887Features
♦ Trickle-Charge Capability for a Rechargeable Battery or Super Cap ♦ Selectable Intel or Motorola Bus Timing ♦ RTC Counts Seconds, Minutes, Hours, Day, Date, Month, and Year with Leap-Year Compensation to 2100 ♦ Interrupt Output with Three Independently Maskable Interrupt Flags ♦ Time-of-Day Alarm is Once-per-Second to Onceper- Day ♦ Periodic Rates from 122μs to 500ms ♦ End-of-Clock Update Cycle Flag ♦ 14 Bytes of Clock and Control Registers ♦ 114 Bytes of General-Purpose Battery-Backed NV RAM with Clear Input ♦ Programmable Square-Wave Output ♦ Automatic Power-Fail Detect and Switch Circuitry ♦ +5.0V or +3.3V Operation ♦ Industrial Temperature Range ♦ DS12CR887 Encapsulated DIP (EDIP) Module with Integrated Battery and Crystal ♦ DS12R887 BGA Module Surface-Mountable Package with Integrated Crystal and Rechargeable Battery |
