 | |  | |
| PartNumber | DS1558W+ | DS1558W+TRL | DS1558W+TR |
| Description | Real Time Clock Watchdog Clock w/NV RAM | Real Time Clock Watchdog Clock w/NV RAM | |
| Manufacturer | Maxim Integrated | Maxim Integrated | MAXIM |
| Product Category | Real Time Clock | Real Time Clock | Clock/Timing - Real Time Clocks |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | TQFP-48 | TQFP-48 | - |
| RTC Bus Interface | Parallel | Parallel | - |
| Date Format | DW:DM:M:Y | - | - |
| Time Format | HH:MM:SS | HH:MM:SS | - |
| Battery Backup Switching | Backup Switching | Backup Switching | - |
| Supply Voltage Max | 3.63 V | 3.63 V | - |
| Supply Voltage Min | 2.97 V | 2.97 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Packaging | Tube | Reel | - |
| Function | Alarm, Calendar, Clock, NV SRAM Control, Watchdog Timekeeper | Alarm, Calendar, Clock, NV SRAM Control, Watchdog Timekeeper | - |
| Product | Real Time Clocks | Real Time Clocks | - |
| Series | DS1558W | DS1558W | - |
| Brand | Maxim Integrated | Maxim Integrated | - |
| Product Type | Real Time Clock | Real Time Clock | - |
| Factory Pack Quantity | 250 | 2000 | - |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | - |
| Part # Aliases | 90-1558W+000 DS1558W | 90-1558W+TRL DS1558W | - |
| Unit Weight | 0.319998 oz | 0.319998 oz | - |