Production£º

Datasheet:DS1687.pdf

FEATURES

Incorporates Industry-Standard DS1287 PC Clock
plus Enhanced Features Such as:

• Y2K Compliant
• +3V or +5V Operation
• 64-Bit Silicon Serial Number
• Power-Control Circuitry Supports System Power-
  On 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
• Compatible with Existing BIOS for Original
  DS1287 Functions
• Available as Chip (DS1685) or Stand-Alone
  Encapsulated DIP (EDIP) with Embedded
  Battery and Crystal (DS1687)
• Timekeeping Algorithm Includes Leap-Year
  Compensation Valid Through 2099
• Underwriters Laboratory (UL) Recognized

APPLICATIONS

• Embedded Systems
• Utility Meters
• Security Systems
• Network Hubs, Bridges, and Routers
  
  
  
  

  Contact person:

  Frances New

  Phone:+86-755-81832961

  Fax:+86-755-83299282

  Email:sumzi@sumzi.com

  MSN:sumzi-frances@msn.com

  http://www.sumzi.com