Product Attributes
| TYPE | DESCRIPTION |
|---|---|
| Category: | Integrated Circuits (ICs) Clock/Timing Real Time Clocks |
| Manufacturer: | Microchip Technology |
| Series: | – |
| Packaging: | Tape & Reel Cut Tape (CT) Digi-Reel® |
| Part Status: | Active |
| DigiKey Programmable: | Not Verified |
| Type: | Clock/Calendar |
| Features: | Alarm, Leap Year, Square Wave Output, SRAM |
| Memory Size: | 64B |
| Time Format: | HH:MM:SS (12/24 hr) |
| Date Format: | YY-MM-DD-dd |
| Interface: | I2C, 2-Wire Serial |
| Voltage – Supply: | 1.8V ~ 5.5V |
| Voltage – Supply, Battery: | 1.3V ~ 5.5V |
| Current – Timekeeping (Max): | 1.2µA @ 3.3V |
| Operating Temperature: | -40°C ~ 85°C |
| Mounting Type: | Surface Mount |
| Grade: | Automotive |
| Qualification: | AEC-Q100 |
| Package / Case: | 8-SOIC (0.154″, 3.90mm Width) |
| Supplier Device Package: | 8-SOIC |
| Base Product Number: | MCP7940 |
Documents & Media
| Resource Type | Link |
|---|---|
| Datasheets: | |
| Environmental Information: | |
| Design Resources: | MCP7940N Development Tool Selector |
| Featured Product: | Real-Time Clocks/Calendars |
| PCN Design/Specification: | |
| PCN Assembly/Origin: | Manufacturing Change 07/Apr/2022 |
| PCN Packaging: | |
| HTML Datasheet: | I²C™ & SPI Family Brochure |
| EDA Models: | MCP7940NT-I/SN Models |
| Errata: | MCP7940N Errata |
Environmental & Export Classifications
| Attribute | Description |
|---|---|
| RoHS Status: |
ROHS3 Compliant
|
| Moisture Sensitivity Level (MSL): |
1 (Unlimited)
|
| REACH Status: |
REACH Unaffected
|
| ECCN: |
EAR99
|
| HTSUS: |
8542.39.0060
|
Additional Resources
| Attribute | Description |
|---|---|
| Other Names: |
MCP7940NT-I/SNDKR
MCP7940NT-I/SNTR MCP7940NT-I/SN-ND MCP7940NT-I/SNCT |
| Standard Package: |
3,300
|


Datasheet
