Datasheet Microchip MCP7940N-I/SN

ManufacturerMicrochip
SeriesMCP7940N
Part NumberMCP7940N-I/SN

The MCP7940N series of low-power Real-Time Clocks (RTC) uses digital timing compensation for an accurate clock/calendar, a programmable output control for versatility, and a power sense circuit that automatically switches to the backup supply

Datasheets

Datasheet PDF, 1.4 Mb, File published: Mar 20, 2014
MCP7940N Low-Cost I2C Real-Time Clock/Calendar with SRAM and Battery Switchover
Docket

Prices

Status

Lifecycle StatusProduction (Appropriate for new designs but newer alternatives may exist)

Packaging

PackageSOIC
Pins8

Parametrics

Alarms2 Alarms (1 sec)
Digital_Trimming-127 to +127ppm (1 ppm steps)
Ibat Current700 nA
InterfaceI²C™
Operating Temperature Range-40 to +85 °C
OutputsIRQ/CLK
Power-Fail TimestampVCC Fail and VCC Restore
Temperature Range-40 to +125
Unique IDNone MAC_Address
User SRAM64 Bytes
Vbat Range1.3 - 5.5 V
Vcc Range1.8 - 5.5 V

Eco Plan

RoHSCompliant

Model Line

Manufacturer's Classification

Other Names:

MCP7940NI/SN, MCP7940N I/SN