Description
www.DataSheet4U.com DS1685/DS1687 3V/5V Real-Time Clocks www.maxim-ic.com .
The DS1685/DS1687 are real-time clocks (RTC) designed as successors to the industry-standard DS1285, DS1385, DS1485, and DS1585 PC RTCs.
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 PowerOn from Date/Time Alarm or Key Closure
* 32kHz Output for Power Management
* Cry
Applications
* Embedded Systems Utility Meters Security Systems Network Hubs, Bridges, and Routers
PACKAGE DIMENSION INFORMATION
www. maxim-ic. com/DallasPackInfo
PIN CONFIGURATIONS
TOP VIEW
PWR X1 X2 AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7 GND 1 2 3 24 23 VCC X2 X1 PWR N. C. VCC SQW PWR 1 2 3 4 5 6 7 8 9 10 11 12 24 VCC S