| Part Number | DS1340U-3 | DS1390U-3 |
|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated |
| Category | Clock/Timing - Real Time Clocks | PMIC - Battery Chargers |
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| Product Status | Obsolete | - |
| Type | Clock/Calendar | - |
| Features | Leap Year, Trickle-Charger | - |
| Memory Size | - | - |
| Time Format | HH:MM:SS (24 hr) | - |
| Date Format | YY-MM-DD-dd | - |
| Interface | I²C, 2-Wire Serial | - |
| Voltage - Supply | 2.7V ~ 5.5V | - |
| Voltage - Supply, Battery | 1.3V ~ 3.7V | - |
| Current - Timekeeping (Max) | 125µA @ 3.3V | - |
| Operating Temperature | -40°C ~ 85°C | - |
| Mounting Type | Surface Mount | - |
| Package / Case | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | - |
| Supplier Device Package | 8-uMAX/uSOP | - |
| Product Status | - | Active |
| Battery Chemistry | - | - |
| Number of Cells | - | - |
| Current - Charging | - | - |
| Programmable Features | - | - |
| Fault Protection | - | - |
| Charge Current - Max | - | - |
| Battery Pack Voltage | - | - |
| Voltage - Supply (Max) | - | - |
| Interface | - | - |
| Operating Temperature | - | - |
| Mounting Type | - | - |
| Package / Case | - | - |
| Supplier Device Package | - | - |