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| Part Number | MCP79521T-I/MS | MCP79522T-I/MS | MCP79511T-I/MS | MCP79520T-I/MS | MCP79521-I/MS | MCP79521T-I/MN |
|---|---|---|---|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Product Status | Active | Active | Active | Active | Active | Active |
| Type | Clock/Calendar | Clock/Calendar | Clock/Calendar | Clock/Calendar | Clock/Calendar | Clock/Calendar |
| Features | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID |
| Memory Size | 64B | 64B | 64B | 64B | 64B | 64B |
| Time Format | HH:MM:SS:hh (12/24 hr) | HH:MM:SS:hh (12/24 hr) | HH:MM:SS:hh (12/24 hr) | HH:MM:SS:hh (12/24 hr) | HH:MM:SS:hh (12/24 hr) | HH:MM:SS:hh (12/24 hr) |
| Date Format | YY-MM-DD-dd | YY-MM-DD-dd | YY-MM-DD-dd | YY-MM-DD-dd | YY-MM-DD-dd | YY-MM-DD-dd |
| Interface | SPI | SPI | SPI | SPI | SPI | SPI |
| Voltage - Supply | 1.8V ~ 3.6V | 1.8V ~ 3.6V | 1.8V ~ 3.6V | 1.8V ~ 3.6V | 1.8V ~ 3.6V | 1.8V ~ 3.6V |
| Voltage - Supply, Battery | 1.3V ~ 3.6V | 1.3V ~ 3.6V | 1.3V ~ 3.6V | 1.3V ~ 3.6V | 1.3V ~ 3.6V | 1.3V ~ 3.6V |
| Current - Timekeeping (Max) | 1µA @ 1.8V ~ 3.6V | 1µA @ 1.8V ~ 3.6V | 1µA @ 1.8V ~ 3.6V | 1µA @ 1.8V ~ 3.6V | 1µA @ 1.8V ~ 3.6V | 1µA @ 1.8V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -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 | Surface Mount | Surface Mount |
| Package / Case | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | 10-WFDFN Exposed Pad |
| Supplier Device Package | 10-MSOP | 10-MSOP | 10-MSOP | 10-MSOP | 10-MSOP | 10-TDFN (3x3) |
