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Dallas Semiconductor -> Maxim Integrated
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The DS1215 Phantom Time Chip is a combination of a CMOS timekeeper and a nonvolatile memory controller.
In the absence of power, an external battery maintains the timekeeping operation and provides power for a CMOS static RAM. The watch keeps track of hundredths of seconds, seconds, minutes, hours, day, date, month, and year information.
![DS1215SN - Dallas Datasheet DS1215SN](//www.datasheetbank.com/detail-image1/Dallas/103304-DI1.png)
Phantom Time Chip
Dallas Semiconductor -> Maxim Integrated
Phantom Time Chip
Maxim Integrated
EconoRAM Time Chip
Dallas Semiconductor -> Maxim Integrated
1-Wire™ Time Chip
Dallas Semiconductor -> Maxim Integrated
1-Wire Time Chip with Interrupt
Maxim Integrated
1-Wire Time Chip with Interrupt
Dallas Semiconductor -> Maxim Integrated
4096K NV SRAM with Phantom Clock
Maxim Integrated
256k NV SRAM with Phantom Clock
Dallas Semiconductor -> Maxim Integrated
4096K NV SRAM with Phantom Clock
Dallas Semiconductor -> Maxim Integrated
4096K NV SRAM with Phantom Clock
Dallas Semiconductor -> Maxim Integrated