DS1685 Description
DS1685/DS1687 3V/5V Real-Time Clocks .maxim-ic.
DS1685 Key Features
- Y2K pliant
- +3V or +5V Operation
- 64-Bit Silicon Serial Number
- Power-Control Circuitry Supports System PowerOn from Date/Time Alarm or Key Closure
- 32kHz Output for Power Management
- Crystal-Select Bit Allows RTC to Operate with 6pF or 12.5pF Crystal
- SMI Recovery Stack
- 242 Bytes Battery-Backed NV RAM
- Auxiliary Battery Input
- RAM Clear Input Century Register Date Alarm Register patible with Existing BIOS for Original DS1287 Functions Available