NB7940N-E/SN

Image for reference only

Global Brand Reference

Product type
Real Time Clocks
Description
IC RTC CLK/CALENDAR I2C 8SOIC
Original MPN
MCP7940N-E/SN
Manufacturer
Microchip Technology

ChipNobo MPN

NB7940N-E/SN

  • High-reliability design
  • Long-term stable supply
  • RoHS compliant

Technical specification comparison (core parameters)

Parameter Microchip TechnologyMCP7940N-E/SN ChipNoboNB7940N-E/SN Match
Part Status Active Active
Operating Temperature -40°C ~ 125°C -40°C ~ 125°C
Mounting Type Surface Mount Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width)
Programmable Not Verified Not Verified
Supplier Device Package 8-SOIC 8-SOIC
Type Clock/Calendar Clock/Calendar
Time Format HH:MM:SS (12/24 hr) HH:MM:SS (12/24 hr)
Date Format YY-MM-DD-dd YY-MM-DD-dd
Grade Automotive Automotive
Voltage - Supply 1.8V ~ 5.5V 1.8V ~ 5.5V
Qualification AEC-Q100 AEC-Q100
Interface I2C, 2-Wire Serial I2C, 2-Wire Serial
Voltage - Supply, Battery 1.3V ~ 5.5V 1.3V ~ 5.5V
Current - Timekeeping (Max) 1.2µA @ 3.3V 1.2µA @ 3.3V
Memory Size 64B 64B
Features Alarm Leap Year Square Wave Output SRAM Alarm Leap Year Square Wave Output SRAM
RoHS Status ROHS3 Compliant ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited) 1 (Unlimited)

Supply & lifecycle

Lifecycle status Active
NRND No
EOL No
PCN monitor No
Last buy date No Deadline
Alternate availability Sufficient
Application areas
AI Server GPU Server
Data Center Switch Vehicle Communication Network (CAN/CAN FD/LIN)
Smart Cockpit Industrial Computer
PLC Controller Semiconductor Equipment
5G Base Station IoT Gateway
Medical Monitoring Equipment Smart Home Gateway

Compatibility verification

Package Match
Pin Match
Electrical Match
Operating Range Match
Qualification Match
Pin-to-pin Compatible

Pin-to-Pin Replacement Solutions

100% Pin-to-Pin Compatible • Same Package • Same Key Electrical Parameters • Same Application

ChipNobo Replacement

NB7940N-E/SN

100% Pin-to-Pin Compatible

Verified by ChipNobo CVR

View more >