PartNumber | DS1308U-3+ | DS1308U-18+ | DS1308U-18+T |
Description | Real Time Clock LOW CUR 3V I2C RTC | Real Time Clock LOW CUR 1.8V I2C RTC | Real Time Clock LOW CUR 1.8V I2C RTC |
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 | - |
Package / Case | uSOP-8 | uSOP-8 | - |
RTC Bus Interface | Serial, I2C | Serial, I2C | - |
RTC Memory Size | 56 B | 56 B | - |
Supply Voltage Max | 5.5 V | 5.5 V | - |
Supply Voltage Min | 2.7 V | 1.71 V | - |
Maximum Operating Temperature | + 85 C | + 85 C | - |
Packaging | Tube | Tube | Reel |
Function | Calendar, Clock | Calendar, Clock | - |
Product | Real Time Clocks | Real Time Clocks | Real Time Clocks |
Series | DS1308U | DS1308U | DS1308U |
Brand | Maxim Integrated | Maxim Integrated | Maxim Integrated |
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 | 90-1308U+003 DS1308U | 90-1308U+018 DS1308U | 90-1308U+18T DS1308U |
Date Format | - | YY-MM-DD-dd | - |
Time Format | - | HH:MM:SS (12 hr, 24 hr) | - |
Battery Backup Switching | - | Backup Switching | - |
Minimum Operating Temperature | - | - 40 C | - |
Type | - | I2C RTC | - |