Microchip Technology MCP7940NT-I/ST Microcontrollers
IC RTC CLK/CALENDAR I2C 8TSSOP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
MCP7940NT-I/ST
Base Model
Detailed Description
IC RTC CLK/CALENDAR I2C 8TSSOP
Package
8-TSSOP (0.173", 4.40mm Width)
Lifecycle Status
Active
Datasheet
MCP7940NT-I/ST Datasheet
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Technical Specifications
Microchip Technology MCP7940NT-I/ST Microcontrollers technical specifications.
General
Interface
I²C, 2-Wire Serial
Memory Size
64B
RoHS
Yes
Package / Case
8-TSSOP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C
Supply Voltage
1.8V ~ 5.5V
Lifecycle Status
Active
Features
Alarm, Leap Year, Square Wave Output, SRAM
Type
Clock/Calendar
Related Parts Comparison (MCP7940NT-I/ST vs MCP7940NT-E/MS vs MCP7940NT-E/SN vs MCP7940NT-I/MNY)
Side-by-side specifications of related catalog parts.
Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.
| This Part | Related Part | Related Part | Related Part | |
|---|---|---|---|---|
| Package / Case | 8-TSSOP | 8-TSSOP | 8-SOIC | 8-WFDFN Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 125°C | -40°C ~ 125°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 |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Active | Active | Active | Active |
| Battery Backup Switching | Backup Switching | Backup Switching | Backup Switching | Backup Switching |
| Current Timekeeping Max | 1.2µA @ 3.3V | 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 | 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 |
| Action |
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