| Part Number | 1339-31DCGI8 | 1339-31DCGI | 
|---|---|---|
| Manufacturer | Renesas Electronics America Inc | Renesas Electronics America Inc | 
| Category | Clock/Timing - Real Time Clocks | Clock/Timing - Real Time Clocks | 
|   |   | |
| Product Status | Active | Active | 
| Type | Clock/Calendar | Clock/Calendar | 
| Features | Alarm, Leap Year, Square Wave Output, Trickle-Charger | Alarm, Leap Year, Square Wave Output, Trickle-Charger | 
| Memory Size | - | - | 
| Time Format | HH:MM:SS (12/24 hr) | HH:MM:SS (12/24 hr) | 
| Date Format | YY-MM-DD-dd | YY-MM-DD-dd | 
| Interface | I²C, 2-Wire Serial | I²C, 2-Wire Serial | 
| Voltage - Supply | 3.3V ~ 5.5V | 3.3V ~ 5.5V | 
| Voltage - Supply, Battery | 1.3V ~ 3.7V | 1.3V ~ 3.7V | 
| Current - Timekeeping (Max) | 200µA @ 3.63V ~ 5.5V | 200µA @ 3.63V ~ 5.5V | 
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 
| Supplier Device Package | 8-SOIC | 8-SOIC |