| Part Number | DS1501Y+ | DS1501YS+ |
|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated |
| Category | Clock/Timing - Real Time Clocks | Clock/Timing - Real Time Clocks |
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| Product Status | Obsolete | Obsolete |
| Type | Clock/Calendar | Clock/Calendar |
| Features | Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K | Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K |
| Memory Size | 256B | 256B |
| Time Format | HH:MM:SS (24 hr) | HH:MM:SS (24 hr) |
| Date Format | YY-MM-DD-dd | YY-MM-DD-dd |
| Interface | Parallel | Parallel |
| Voltage - Supply | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Voltage - Supply, Battery | 2.5V ~ 3.7V | 2.5V ~ 3.7V |
| Current - Timekeeping (Max) | 5mA @ 4.5V ~ 5.5V | 5mA @ 4.5V ~ 5.5V |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C |
| Mounting Type | Through Hole | Surface Mount |
| Package / Case | 28-DIP (0.600", 15.24mm) | 28-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 28-PDIP | 28-SOIC |