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| Part Number | MCP795W21-I/SL | MCP795W21-I/ST | MCP795W22-I/SL | MCP795W21T-I/SL | MCP795B21-I/SL | MCP795W11-I/SL | MCP795W20-I/SL |
|---|---|---|---|---|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Product Status | Active | Active | Active | Active | Obsolete | Active | Active |
| Type | Clock/Calendar | Clock/Calendar | Clock/Calendar | Clock/Calendar | Clock/Calendar | Clock/Calendar | Clock/Calendar |
| Features | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Watchdog Timer |
| Memory Size | 64B | 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) | 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 | YY-MM-DD-dd |
| Interface | SPI | 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 ~ 5.5V | 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 ~ 5.5V | 1.3V ~ 3.6V | 1.3V ~ 3.6V |
| Current - Timekeeping (Max) | 1µA @ 1.8V ~ 5.5V | 1µA @ 1.8V ~ 5.5V | 1µA @ 1.8V ~ 5.5V | 1µA @ 1.8V ~ 5.5V | 1µA @ 1.8V ~ 5.5V | 1µA @ 1.8V ~ 5.5V | 1µA @ 1.8V ~ 5.5V |
| 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 | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) | 14-TSSOP (0.173", 4.40mm Width) | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 14-SOIC | 14-TSSOP | 14-SOIC | 14-SOIC | 14-SOIC | 14-SOIC | 14-SOIC |
