STK1744 Overview
PRELIMINARY The Simtek STK1744 DIP module houses 256Kb of nonvolatile static RAM, a real-time clock (RTC) with crystal and a high-value capacitor to support systems that require high reliability and ease of manufacturing. READ and WRITE access to all RTC functions and the memory is the same as a conventional x 8 SRAM. The highest eight addresses of the RAM support clock registers for centuries, years, months, dates,...
STK1744 Key Features
- Data Integrity of Simtek nvSRAM bined with Full-Featured Real-Time Clock
- Stand-Alone Nonvolatile Memory and TimeKeeping Solution-No Other Parts Required
- No Batteries to Fail
- Fast 25ns, 35ns and 45ns Access Times
- Software- and AutoStore™-Controlled Nonvolatile Cycles
- Year 2000 pliant with Leap Year pensation
- 24-Hour BCD Format
- 100-Year Data Retention over Full Industrial Temperature Range
- Full 30-Day RTC Operation on Each Power Loss
- Single 5V ± 10% Power Supply