Automotive-grade Real Time Clock IC featuring I2C and 2-wire serial interface. This surface-mount device offers a 64-byte memory, clock/calendar functionality with alarm and battery backup, supporting YY-MM-DD-dd date and HH:MM:SS time formats. Operating from 1.8V to 5.5V with a maximum frequency of 400kHz, it functions across a -40°C to 85°C temperature range. Packaged in an 8-pin SOIC, this RoHS compliant component is supplied in a tube.
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Microchip MCP7940N-I/SN technical specifications.
| Package/Case | SOIC |
| Date Format | YY-MM-DD-dd |
| Height | 1.5mm |
| Interface | I2C, Serial, 2-Wire |
| Lead Free | Lead Free |
| Length | 4.9mm |
| Logic Function | Clock |
| Max Frequency | 400kHz |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Max Supply Voltage | 5.5V |
| Memory Size | 64B |
| Min Supply Voltage | 1.8V |
| Mount | Surface Mount |
| Package Quantity | 100 |
| Packaging | Rail/Tube |
| Radiation Hardening | No |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Series | Automotive, AEC-Q100 |
| Supply Voltage-Nom | 5.5V |
| Time Format | HH:MM:SS |
| Width | 3.9mm |
| RoHS | Compliant |
Download the complete datasheet for Microchip MCP7940N-I/SN to view detailed technical specifications.
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