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| PartNumber | AS1801-BTDT | AS180-18 | AS1808SE |
| Description | Real Time Clock Real-Time Clock with Trickle Charger | ||
| Manufacturer | ams | - | - |
| Product Category | Real Time Clock | - | - |
| RoHS | Y | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | TDFN-8 | - | - |
| RTC Bus Interface | Serial, I2C | - | - |
| Date Format | Binary | - | - |
| Time Format | HH:MM:SS (12 hr, 24 hr) | - | - |
| Battery Backup Switching | Backup Switching | - | - |
| Supply Voltage Max | 3.6 V | - | - |
| Supply Voltage Min | 1.8 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Packaging | Reel | - | - |
| Function | Calendar, Clock | - | - |
| Brand | ams | - | - |
| Product Type | Real Time Clocks | - | - |
| Factory Pack Quantity | 1000 | - | - |
| Subcategory | Clock & Timer ICs | - | - |
| Part # Aliases | 178260004 | - | - |
| Unit Weight | 0.001764 oz | - | - |