| Part Number | PT7C4302AWEX | PT7C4372AWEX |
|---|---|---|
| Manufacturer | Diodes Incorporated | Diodes Incorporated |
| Category | Clock/Timing - Real Time Clocks | Clock/Timing - Real Time Clocks |
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| Product Status | Active | Obsolete |
| Type | Clock/Calendar | Clock/Calendar |
| Features | Leap Year, NVSRAM, Square Wave Output, Trickle-Charger | Alarm, Leap Year |
| Memory Size | 31B | - |
| 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 | 3-Wire Serial | I²C, 2-Wire Serial |
| Voltage - Supply | 1.2V ~ 5.5V | 1.8V ~ 6V |
| Voltage - Supply, Battery | 1.2V ~ 5.5V | - |
| Current - Timekeeping (Max) | 25.3µA ~ 81µA @ 2V ~ 5V | 0.8µA @ 3V |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| 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 |