Microchip Technology MCP7940MT-I/SN Microcontrollers
IC RTC CLK/CALENDAR I2C 8SOIC
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
MCP7940MT-I/SN
Base Model
Detailed Description
IC RTC CLK/CALENDAR I2C 8SOIC
Package
8-SOIC (0.154", 3.90mm Width)
Lifecycle Status
Active
Datasheet
MCP7940MT-I/SN Datasheet
Quick Jump:
Technical Specifications
Microchip Technology MCP7940MT-I/SN Microcontrollers technical specifications.
General
Interface
I²C, 2-Wire Serial
Memory Size
64B
Package / Case
8-SOIC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C
Supply Voltage
1.8V ~ 5.5V
Features
Alarm, Leap Year, Square Wave Output, SRAM
Type
Clock/Calendar
Time Format
HH:MM:SS (12/24 hr)
Date Format
YY-MM-DD-dd
Alternate Parts Comparison (MCP7940MT-I/SN vs MCP7940MT-I/MNY vs MCP7940MT-I/ST vs MCP7940MT-I/STVAO)
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-SOIC | 8-WFDFN Exposed Pad | 8-TSSOP | 8-TSSOP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Supply Voltage | 1.8V ~ 5.5V | 1.8V ~ 5.5V | 1.8V ~ 5.5V | 1.8V ~ 5.5V |
| Memory Size | 64B | 64B | 64B | 64B |
| Interface | I²C, 2-Wire Serial | I²C, 2-Wire Serial | I²C, 2-Wire Serial | I²C, 2-Wire Serial |
| Current Timekeeping Max | 1µA @ 5.5V | 1µA @ 5.5V | 1µA @ 5.5V | 1.2µA @ 3.3V |
| Date Format | YY-MM-DD-dd | 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 | 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) | HH:MM:SS (12/24 hr) |
| Type | Clock/Calendar | Clock/Calendar | Clock/Calendar | Clock/Calendar |
| Action |
More Parts in Microcontrollers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.