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See Technical Specifications

MCP7940NT-I/MNY +BOM

Battery-Backed I2C Real-Time Clock/Calendar with SRAM.

Manufacturer:

Microchip
Mfr.Part #:

MCP7940NT-I/MNY
Datasheet:

MCP7940NT-I/MNY Datasheet (PDF)
Mounting Style:

SMD/SMT
RTC Bus Interface:

Serial, 2-Wire, I2C
Date Format:

YY-MM-DD-dd
Time Format:

HH:MM:SS (12 hr, 24 hr)
EDA/CAD Models:

Request Free CAD Models for MCP7940NT-I/MNY

Email: [email protected]

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MCP7940NT-I/MNY General Description

Whether used in automotive, industrial, or consumer electronics, the MCP7940NT-I/MNY offers reliable performance and accurate timekeeping. Its I2C interface simplifies integration into existing systems, while its compact TDFN package saves valuable board space. The IC's wide supply voltage range and operating temperature range make it a versatile choice for diverse applications

Key Features

Battery-Backed Real-Time Clock/Calendar (RTCC)
Hours, Minutes, Seconds, Day of Week, Day, Month, Year
Leap year compensated to 2399
12/24 hour modes
On-Chip Digital Trimming/Calibration
1 PPM Resolution
±129 PPM Range
Dual Programmable Alarms
Versatile Output Pin
Clock output with selectable frequency
Alarm output
General Purpose output
Time logged on switchover to and from Battery Backup
64 Bytes Battery-Backed SRAM
I2C Clock Frequency up to 400 kHz
Operating Voltage 1.8V to 5.5V
Backup Voltage 1.3V to 5.5V
Low Typical Timekeeping Current
Automatic Switchover to Battery Backup

Specifications

Product Category	Real Time Clock	Mounting Style	SMD/SMT
RTC Bus Interface	Serial, 2-Wire, I2C	Date Format	YY-MM-DD-dd
Time Format	HH:MM:SS (12 hr, 24 hr)	Battery Backup Switching	Backup Switching
RTC Memory Size	64 B	Supply Voltage - Max	5.5 V
Supply Voltage - Min	1.8 V	Minimum Operating Temperature	- 40 C
Maximum Operating Temperature	+ 85 C	Function	Alarm, Calendar, Clock
Moisture Sensitive	Yes	Product Type	Real Time Clocks
Factory Pack Quantity	3300	Subcategory	Clock & Timer ICs
Unit Weight	0.001319 oz