 | |  | |
| PartNumber | DS1556-70+ | DS1556-70IND+ | DS1556-70-W |
| Description | Real Time Clock 1M NV RAM Timekeeper | Real Time Clock 1M NV RAM Timekeeper | Real Time Clock |
| Manufacturer | Maxim Integrated | Maxim Integrated | - |
| Product Category | Real Time Clock | Real Time Clock | - |
| RoHS | Y | Y | - |
| Mounting Style | Through Hole | Through Hole | - |
| Package / Case | EDIP-32 | EDIP-32 | - |
| RTC Bus Interface | Parallel | Parallel | - |
| Date Format | DW:DM:M:Y | DW:DM:M:Y | - |
| Time Format | HH:MM:SS | HH:MM:SS | - |
| RTC Memory Size | 128 kB | 131072 B | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Supply Voltage Min | 4.5 V | 4.5 V | - |
| Minimum Operating Temperature | 0 C | - 40 C | - |
| Maximum Operating Temperature | + 70 C | + 85 C | - |
| Packaging | Tube | Tube | - |
| Function | Calendar, Clock, NV Timekeeping RAM, Watchdog Timekeeper | Calendar, Clock, NV Timekeeping RAM, Watchdog Timekeeper | - |
| Product | Real Time Clocks | Real Time Clocks | - |
| Series | DS1556 | DS1556 | - |
| Brand | Maxim Integrated | Maxim Integrated | - |
| Product Type | Real Time Clock | Real Time Clock | - |
| Factory Pack Quantity | 11 | 11 | - |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | - |
| Part # Aliases | 90-15560+070 DS1556 | 90-15560+07I DS1556 | - |
| Battery Backup Switching | - | Backup Switching | - |
| Operating Supply Current | - | 30 mA | - |