| Part Number | M41T56C64MY6F | M41T56C64MY6E |
|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics |
| Category | Clock/Timing - Real Time Clocks | Clock/Timing - Real Time Clocks |
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| Product Status | Obsolete | Obsolete |
| Type | Clock/Calendar | Clock/Calendar |
| Features | EEPROM, Leap Year, NVSRAM | EEPROM, Leap Year, NVSRAM |
| Memory Size | 56B, 8KB | 56B, 8KB |
| Time Format | HH:MM:SS | HH:MM:SS |
| Date Format | YY-MM-DD-dd | YY-MM-DD-dd |
| Interface | I²C, 2-Wire Serial | I²C, 2-Wire Serial |
| Voltage - Supply | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Voltage - Supply, Battery | 2.5V ~ 3.5V | 2.5V ~ 3.5V |
| Current - Timekeeping (Max) | 100µA (Typ) @ 4.5V ~ 5.5V | 100µA (Typ) @ 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 18-SOX, 18-SOIC with Crystal (7.5mm Width) | 18-SOX, 18-SOIC with Crystal (7.5mm Width) |
| Supplier Device Package | 18-SOX | 18-SOX |