 |  | | |
| PartNumber | DS1338U-3+ | DS1338U-3+TR | DS1338U-3+T |
| Description | Real Time Clock I2C Serial RTC w/56 Byte NV RAM | ||
| Manufacturer | Maxim Integrated | - | Maxim Integrated |
| Product Category | Real Time Clock | - | Clock/Timing - Real Time Clocks |
| RoHS | Y | - | - |
| Mounting Style | SMD/SMT | - | SMD/SMT |
| Package / Case | uSOP-8 | - | - |
| RTC Bus Interface | Serial, I2C | - | Serial |
| Date Format | DW:DM:M:Y | - | YY-MM-DD-dd |
| Time Format | HH:MM:SS | - | HH:MM:SS (12/24 hr) |
| RTC Memory Size | 56 B | - | 56 B |
| Supply Voltage Max | 3.3 V | - | - |
| Supply Voltage Min | 2.7 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - 40 C |
| Maximum Operating Temperature | + 85 C | - | + 85 C |
| Packaging | Tube | - | Tape & Reel (TR) Alternate Packaging |
| Function | Calendar, Clock | - | Calendar Clock |
| Product | Real Time Clocks | - | Real Time Clocks |
| Series | DS1338U | - | DS1338U |
| Brand | Maxim Integrated | - | - |
| Product Type | Real Time Clock | - | - |
| Factory Pack Quantity | 50 | - | - |
| Subcategory | Clock & Timer ICs | - | - |
| Part # Aliases | 90-1338U+003 DS1338U | - | 90-1338U+3TR DS1338U |
| Type | - | - | Clock/Calendar |
| Package Case | - | - | uSOP |
| Operating Temperature | - | - | -40°C ~ 85°C |
| Mounting Type | - | - | Surface Mount |
| Features | - | - | Leap Year, NVSRAM, Square Wave Output |
| Interface | - | - | I2C, 2-Wire Serial |
| Voltage Supply | - | - | 2.7 V ~ 5.5 V |
| Supplier Device Package | - | - | 8-uMAX |
| Memory Size | - | - | 56B |
| Voltage Supply Battery | - | - | 1.3 V ~ 3.7 V |
| Current Timekeeping Max | - | - | 200μA @ 3.3V |
| Supply Voltage Max | - | - | 3.3 V |
| Supply Voltage Min | - | - | 2.7 V |