 |  | | |
| PartNumber | DS1344D-18+T\u0026R | DS1344D-3+ | DS1344D-18+ |
| Description | Real Time Clock Low-Current SPI/3-Wire RTC | Real Time Clock Low-Current SPI/3-Wire RTC | Real Time Clock Low-Current SPI/3-Wire RTC |
| Manufacturer | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Product Category | Real Time Clock | Clock/Timing - Real Time Clocks | Clock/Timing - Real Time Clocks |
| RoHS | Y | - | - |
| Packaging | Reel | Tube Alternate Packaging | Tube Alternate Packaging |
| Product | Real Time Clocks | - | Real Time Clocks |
| Series | DS1344D | - | DS1344D |
| Brand | Maxim Integrated | - | - |
| Product Type | Real Time Clock | - | - |
| Factory Pack Quantity | 2500 | - | - |
| Subcategory | Clock & Timer ICs | - | - |
| Part # Aliases | 90-1344D+18T DS1344D | - | 90-1344D+018 DS1344D |
| Type | - | Clock/Calendar | Clock/Calendar |
| Package Case | - | 14-WFDFN Exposed Pad | TDFN-14 |
| Operating Temperature | - | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | - | Surface Mount | Surface Mount |
| Features | - | Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger | Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger |
| Interface | - | SPI | SPI |
| Voltage Supply | - | 2.7 V ~ 5.5 V | 1.71 V ~ 5.5 V |
| Supplier Device Package | - | 14-TDFN-EP (3x3) | 14-TDFN-EP (3x3) |
| Memory Size | - | 96B | 96B |
| Time Format | - | HH:MM:SS (12/24 hr) | HH:MM:SS (12/24 hr) |
| Date Format | - | YY-MM-DD-dd | YY-MM-DD-dd |
| Voltage Supply Battery | - | 1.3 V ~ 5.5 V | 1.3 V ~ 5.5 V |
| Current Timekeeping Max | - | - | - |
| Mounting Style | - | - | SMD/SMT |
| Function | - | - | Alarm Calendar Clock |
| Maximum Operating Temperature | - | - | + 85 C |
| Minimum Operating Temperature | - | - | - 40 C |
| Battery Backup Switching | - | - | Backup Switching |
| Supply Voltage Max | - | - | 5.5 V |
| Supply Voltage Min | - | - | 1.71 V |
| RTC Bus Interface | - | - | 3-Wire SPI |
| RTC Memory Size | - | - | 96 B |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
Maxim Integrated |
DS1344D-33+T\u0026R | Real Time Clock Low-Current SPI/3-Wire RTC | |
| DS1344D-18+T\u0026R | Real Time Clock Low-Current SPI/3-Wire RTC | ||
| DS1344D-3+T\u0026R | Real Time Clock Low-Current SPI/3-Wire RTC | ||
| DS1344E-33+ | Real Time Clock Low-Current SPI/3-Wire RTC | ||
| DS1344E-3+ | Real Time Clock Low-Current SPI/3-Wire RTC | ||
| DS1344E-3+T\u0026R | Real Time Clock Low-Current SPI/3-Wire RTC | ||
| DS1344E-18+T\u0026R | Real Time Clock Low-Current SPI/3-Wire RTC | ||
| DS1344E-18+ | Real Time Clock Low-Current SPI/3-Wire RTC | ||
| DS1344E-33+T\u0026R | Real Time Clock Low-Current SPI/3-Wire RTC | ||
| DS1344D-33+ | Real Time Clock Low-Current SPI/3-Wire RTC | ||
| DS1344E-33+ | Real Time Clock Low-Current SPI/3-Wire RTC | ||
| DS1344E-18+ | Real Time Clock Low-Current SPI/3-Wire RTC | ||
| DS1344E-3+ | Real Time Clock Low-Current SPI/3-Wire RTC | ||
| DS1344D-3+ | Real Time Clock Low-Current SPI/3-Wire RTC | ||
| DS1344D-33+ | Real Time Clock Low-Current SPI/3-Wire RTC | ||
| DS1344D-18+ | Real Time Clock Low-Current SPI/3-Wire RTC | ||
| DS1344D-18+TR | New and Original | ||
| DS1344D-3+TR | New and Original | ||
| DS1344E-18+TR | New and Original |