DS1251Y
Description
The DS1251Y 4096K NV SRAM with Phantom Clock is a fully static nonvolatile RAM (organized as 512K words by 8 bits) with a built-in real time clock.
Key Features
- Real time clock keeps track of hundredths of seconds, minutes, hours, days, date of the month, months, and years
- 512K x 8 NV SRAM directly replaces volatile static RAM or EEPROM
- Embedded lithium energy cell maintains calendar operation and retains RAM data
- Watch function is transparent to RAM operation
- Month and year determine the number of days in each month; valid up to 2100
- Standard 32-pin JEDEC pinout
- Full 10% operating range
- Operating temperature range 0°C to 70°C
- Accuracy is better than ±1 minute/month @ 25°C
- Available in 120 ns and 150 ns access time
