| Part Number | DS1284Q+ | DS1284+ |
|---|---|---|
| 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, Square Wave Output, SRAM, Watchdog Timer | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer |
| Memory Size | 50B | 50B |
| Time Format | HH:MM:SS:hh (12/24 hr) | HH:MM:SS:hh (12/24 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 | 2.4V ~ 3.5V | 2.4V ~ 3.5V |
| Current - Timekeeping (Max) | 7mA @ 5V | 7mA @ 5V |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C |
| Mounting Type | Surface Mount | Through Hole |
| Package / Case | 28-LCC (J-Lead) | 28-DIP (0.600", 15.24mm) |
| Supplier Device Package | 28-PLCC (11.51x11.51) | 28-PDIP |