 |  | | |
| PartNumber | DS1340U-33+T\u0026R | DS1340U-33+T | DS1340U-33+TR |
| Description | Real Time Clock I2C RTC w/Trickle Charger | ||
| Manufacturer | Maxim Integrated | Maxim Integrated | MAXIM |
| Product Category | Real Time Clock | Clock/Timing - Real Time Clocks | Clock/Timing - Real Time Clocks |
| RoHS | Y | - | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | USOP-8 | - | - |
| RTC Bus Interface | Serial | Serial | - |
| Time Format | HH:MM:SS | HH:MM:SS (24 hr) | - |
| Battery Backup Switching | Backup Switching | Backup Switching | - |
| Supply Voltage Max | 5.5 V | - | - |
| Supply Voltage Min | 2.97 V | - | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Packaging | Reel | Digi-ReelR Alternate Packaging | - |
| Function | Calendar, Clock, Trickle Charger | Calendar Clock Trickle Charger | - |
| Product | Real Time Clocks | Real Time Clocks | - |
| Series | DS1340U | DS1340U | - |
| Brand | Maxim Integrated | - | - |
| Product Type | Real Time Clock | - | - |
| Factory Pack Quantity | 3000 | - | - |
| Subcategory | Clock & Timer ICs | - | - |
| Part # Aliases | 90-1340U+33T DS1340U | 90-1340U+33T DS1340U | - |
| Type | - | Clock/Calendar | - |
| Package Case | - | USOP-8 | - |
| Operating Temperature | - | -40°C ~ 85°C | - |
| Mounting Type | - | Surface Mount | - |
| Features | - | Leap Year, Trickle-Charger | - |
| Interface | - | I2C, 2-Wire Serial | - |
| Voltage Supply | - | 2.97 V ~ 5.5 V | - |
| Supplier Device Package | - | 8-uMAX | - |
| Memory Size | - | - | - |
| Date Format | - | YY-MM-DD-dd | - |
| Voltage Supply Battery | - | 1.3 V ~ 5.5 V | - |
| Current Timekeeping Max | - | 150μA @ 5.5V | - |
| Supply Voltage Max | - | 5.5 V | - |
| Supply Voltage Min | - | 2.97 V | - |