(Hong Kong)
Product Summary
The DS12CR887+5 is a RTC with constant-voltage trickle charger. Applications of the DS12CR887+5 include: Embedded Systems, Utility Meters, Security Systems, Network Hubs, Bridges, and Routers.
Parametrics
DS12CR887+5 absolute maximum ratings: (1) Voltage Range on Vcc Pin Relative to Ground: -0.3V to +6.0V; (2) Operating Temperature Range: -40 to +85°C; (3) Storage Temperature Range: -55 to +125°C; (4) Soldering Temperature: See IPC/JEDEC J-STD-020A Specification; (5) Soldering Temperature (leads, 10s) : +260°C.
Features
DS12CR887+5 features: (1) Trickle-Charge Capability for a Rechargeable Battery or Super Cap; (2) Selectable Intel or Motorola Bus Timing; (3) RTC Counts Seconds, Minutes, Hours, Day, Date, Month, and Year with Leap-Year Compensation to 2100; (4) Interrupt Output with Three Independently Maskable Interrupt Flags; (5) Time-of-Day Alarm is Once-per-Second to Once-per-Day; (6) Periodic Rates from 122μs s to 500ms; (7) End-of-Clock Update Cycle Flag; (8) 14 Bytes of Clock and Control Registers; (9) 114 Bytes of General-Purpose RAM with Clear Input; (10)Programmable Square-Wave Output; (11) +5.0V or +3.3V Operation; (12) DS12R887 BGA Module Surface-Mountable Package with Integrated Crystal and Rechargeable
Battery.
Diagrams
