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| Part Number | M48T37Y-70MH1E | M48T37Y-70MH1F | M48T37Y-70MH6E | M48T35Y-70MH1E |
|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Status | Obsolete | Active | Obsolete | Obsolete |
| Type | Clock/Calendar | Clock/Calendar | Clock/Calendar | Clock/Calendar |
| Features | Alarm, Leap Year, Watchdog Timer | Alarm, Leap Year, Watchdog Timer | Alarm, Leap Year, Watchdog Timer | Leap Year |
| Memory Size | - | - | - | - |
| Time Format | HH:MM:SS (24 hr) | HH:MM:SS (24 hr) | HH:MM:SS (24 hr) | HH:MM:SS (24 hr) |
| Date Format | YY-MM-DD-dd | YY-MM-DD-dd | YY-MM-DD-dd | YY-MM-DD-dd |
| Interface | Parallel | Parallel | Parallel | Parallel |
| Voltage - Supply | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Voltage - Supply, Battery | - | - | - | - |
| Current - Timekeeping (Max) | 3mA @ 4.5V ~ 5.5V | 3mA @ 4.5V ~ 5.5V | 3mA @ 4.5V ~ 5.5V | 2mA @ 4.75V ~ 5.5V |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C | -40°C ~ 85°C | 0°C ~ 70°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT | 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT | 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT | 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets |
| Supplier Device Package | 44-SOH | 44-SOH | 44-SOH | 28-SOH |
