Microchip Technology MCP7940N-I/SN Microcontrollers
IC RTC CLK/CALENDAR I2C 8SOIC

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
MCP7940N-I/SN
Base Model
Detailed Description
IC RTC CLK/CALENDAR I2C 8SOIC
Lifecycle Status
Active
Datasheet
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Alternate Parts Comparison (MCP7940N-I/SN vs MCP7940N-I/P vs MCP7940N-E/MS vs MCP7940N-I/ST)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | -- | 8-DIP | 8-TSSOP | 8-TSSOP |
| Mounting Type | -- | Through Hole | Surface Mount | Surface Mount |
| Operating Temperature | -- | -40°C ~ 85°C | -40°C ~ 125°C | -40°C ~ 85°C |
| Supply Voltage | -- | 1.8V ~ 5.5V | 1.8V ~ 5.5V | 1.8V ~ 5.5V |
| Memory Size | -- | 64B | 64B | 64B |
| Interface | -- | I²C, 2-Wire Serial | I²C, 2-Wire Serial | I²C, 2-Wire Serial |
| Current Timekeeping Max | -- | 1.2µA @ 3.3V | 1.2µA @ 3.3V | 1.2µA @ 3.3V |
| Date Format | -- | YY-MM-DD-dd | YY-MM-DD-dd | YY-MM-DD-dd |
| Features | -- | Alarm, Leap Year, Square Wave Output, SRAM | Alarm, Leap Year, Square Wave Output, SRAM | Alarm, Leap Year, Square Wave Output, SRAM |
| Time Format | -- | HH:MM:SS (12/24 hr) | HH:MM:SS (12/24 hr) | HH:MM:SS (12/24 hr) |
| Type | -- | Clock/Calendar | Clock/Calendar | Clock/Calendar |
| Voltage Supply Battery | -- | 1.3V ~ 5.5V | 1.3V ~ 5.5V | 1.3V ~ 5.5V |
| Action |
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