DS1216 Description
The DS1216 SmartWatch RAM and SmartWatch ROM sockets are 600-mil-wide DIP sockets with a built-in CMOS watch function, an NV RAM controller circuit, and an embedded lithium energy source. The sockets provide an NV RAM solution for memory sized from 2K x 8 to 512K x 8 with package sizes from 26 pins to 32 pins. When a socket is mated with a CMOS SRAM, it provides a plete solution to problems associated with memory...
DS1216 Key Features
- Keeps Track of Hundredths of Seconds, Seconds, Minutes, Hours, Days, Date of the Month, Months, and Years
- Converts Standard 2K x 8 Up to 512K x 8 CMOS Static RAMs into Nonvolatile Memory
- Embedded Lithium Energy Cell Maintains Watch Information and Retains RAM Data
- Watch Function is Transparent to RAM Operation
- Automatic Leap Year pensation Valid Up to 2100
- Lithium Energy Source is Electrically Disconnected to Retain Freshness Until Power is Applied for the First Time
- Proven Gas-Tight Socket Contacts
- Full ±10% Operating Range
- Accuracy Better Than ±1 Minute/Month at +25°C
- Reset, Active Low DQ0