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| PartNumber | DS1500YE | DS1500YEN | DS1500Y |
| Description | IC RTC CLK/CALENDAR PAR 32-TSOP | IC RTC CLK/CALENDAR PAR 32-TSOP | IC RTC CLK/CALENDAR PAR 32-DIP |
| Manufacturer | Maxim Integrated | Maxim Integrated | - |
| Product Category | Clock/Timing - Real Time Clocks | Clock/Timing - Real Time Clocks | - |
| Series | - | - | - |
| Type | Clock/Calendar | Clock/Calendar | - |
| Packaging | Tray | Tray | - |
| Package Case | 32-LFSOP (0.724", 18.40mm Width) | 32-LFSOP (0.724", 18.40mm Width) | - |
| Operating Temperature | 0°C ~ 70°C | -40°C ~ 85°C | - |
| Mounting Type | Surface Mount | Surface Mount | - |
| Features | Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K | Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K | - |
| Interface | Parallel | Parallel | - |
| Voltage Supply | 4.5 V ~ 5.5 V | 4.5 V ~ 5.5 V | - |
| Supplier Device Package | 32-TSOP | 32-TSOP | - |
| 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 | - |
| Voltage Supply Battery | 2.5 V ~ 3.7 V | 2.5 V ~ 3.7 V | - |
| Current Timekeeping Max | 5mA @ 4.5V ~ 5.5V | 5mA @ 4.5V ~ 5.5V | - |