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| Part Number | DS1371U+T&R | DS1371U+ | DS1371U+C01 | DS1371U |
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated |
| Series | - | - | - | - |
| Package/Case | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) |
| Packaging | Tape & Reel (TR) | Tube | Tube | Tube |
| Product Status | Active | Active | Obsolete | Obsolete |
| Programmable | Not Verified | Not Verified | Not Verified | Not Verified |
| Type | Binary Counter | Binary Counter | Binary Counter | Binary Counter |
| Features | Alarm, Square Wave Output, Watchdog Timer | Alarm, Square Wave Output, Watchdog Timer | Alarm, Square Wave Output, Watchdog Timer | Alarm, Square Wave Output, Watchdog Timer |
| Memory Size | - | - | - | - |
| Time Format | Binary | Binary | Binary | Binary |
| Date Format | Binary | Binary | Binary | Binary |
| Interface | I2C, 2-Wire Serial | I2C, 2-Wire Serial | I2C, 2-Wire Serial | I2C, 2-Wire Serial |
| Voltage - Supply | 1.7V ~ 5.5V | 1.7V ~ 5.5V | 1.7V ~ 5.5V | 1.7V ~ 5.5V |
| Voltage - Supply, Battery | - | - | - | - |
| Current - Timekeeping (Max) | 1.3µA @ 1.7V ~ 5.5V | 1.3µA @ 1.7V ~ 5.5V | 1.3µA @ 1.7V ~ 5.5V | 1.3µA @ 1.7V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Grade | - | - | - | - |
| Qualification | - | - | - | - |
| Supplier Device Package | 8-uMAX/uSOP | 8-uMAX/uSOP | 8-uMAX/uSOP | 8-uMAX/uSOP |
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