 |  |  | |
| PartNumber | DS1391U-33+ | DS1391U-3+ | DS1391U-3+T\u0026R |
| Description | Real Time Clock Low-V SPI/3-Wire With Trickle Charger | Real Time Clock Low-V SPI/3-Wire With Trickle Charger | Real Time Clock Low-V SPI/3-Wire With Trickle Charger |
| Manufacturer | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Product Category | Real Time Clock | Real Time Clock | Real Time Clock |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | MSOP-10 | uSOP-10 | uSOP |
| RTC Bus Interface | Serial, SPI | Serial | Serial |
| Date Format | YY-MM-DD | - | - |
| Time Format | HH:MM:SS:hh | HH:MM:SS:hh | HH:MM:SS:hh |
| Battery Backup Switching | Backup Switching | Backup Switching | Backup Switching |
| Supply Voltage Max | 5.5 V | 3.3 V | 3.3 V |
| Supply Voltage Min | 2.97 V | 2.7 V | 2.7 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Tube | Tube | Reel |
| Function | Alarm, Calendar, Clock, Trickle Charger | Alarm, Calendar, Clock, Trickle Charger | Alarm, Calendar, Clock, Trickle Charger |
| Product | Real Time Clocks | Real Time Clocks | Real Time Clocks |
| Series | DS1391U | DS1391U | DS1391U |
| Brand | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Operating Supply Current | 2 mA | - | - |
| Product Type | Real Time Clock | Real Time Clock | Real Time Clock |
| Factory Pack Quantity | 50 | 50 | 3000 |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | Clock & Timer ICs |
| Part # Aliases | 90-1391U+033 DS1391U | 90-1391U+003 DS1391U | 90-1391U+3TR DS1391U |
| Unit Weight | 0.005051 oz | - | - |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
Maxim Integrated |
DS1391U-33+ | Real Time Clock Low-V SPI/3-Wire With Trickle Charger | |
| DS1391U-3+ | Real Time Clock Low-V SPI/3-Wire With Trickle Charger | ||
| DS1391U-33+T\u0026R | Real Time Clock Low-V SPI/3-Wire With Trickle Charger | ||
| DS1391U-3+T\u0026R | Real Time Clock Low-V SPI/3-Wire With Trickle Charger | ||
| DS1391U-3+ | Real Time Clock Low-V SPI/3-Wire With Trickle Charge | ||
| DS1391U-33+ | Real Time Clock Low-V SPI/3-Wire With Trickle Charge | ||
| DS1391U-3 | Real Time Clock Low-V SPI/3-Wire With Trickle Charge | ||
| DS1391U-3+TR | New and Original | ||
| DS1391U-33+T | New and Original | ||
| DS1391U-33+TR | New and Original | ||
| DS1391U-33TR | New and Original | ||
| DS1391U-33 | Real Time Clock Low-V SPI/3-Wire With Trickle Charge |