Analog Devices DS1315-5+ Phantom Time Chip, Parallel Interface RTC, 16-DIP (0.300", 7.62mm) Through Hole, 4.5V-5.5V Supply, 2.5V-3.7V Battery Backup, 1.3mA Timekeeping Current, Active, ROHS3.
| Parameter | Value |
|---|---|
| Type | Phantom Time Chip |
| Mounting | Through Hole |
| Voltage | 4.5V ~ 5.5V |
| Voltage - supply, battery | 2.5V ~ 3.7V |
| Current - timekeeping | 1.3mA @ 5V |
| Interface | Parallel |
| Operating temperature | 0°C ~ 70°C |
| Package | Tube |
| Features | Leap Year |
| Date format | YY-MM-DD-dd |
| Time format | HH:MM:SS:hh (12/24 hr) |
| Case | 16-DIP (0.300\", 7.62mm) |
The DS1315-5+ is a Phantom Time Chip from Analog Devices — a real-time clock that sits on the CPU bus as a memory-mapped peripheral, not a serial device. It presents time and date registers through a parallel interface, so the host reads and writes YY-MM-DD-dd and HH:MM:SS:hh (12/24 hr) directly without an I2C or SPI transaction layer. Leap-year compensation is built in, so firmware does not need to handle February 29th logic.
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