Microchip MCP7940N-E/SN, Real Time Clock 64 B Real Time Clock D:M:Y, DW, 8-Pin SOIC Surface

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Packaging Options:
RS Stock No.:
177-0837
Mfr. Part No.:
MCP7940N-E/SN
Manufacturer:
Microchip
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Brand

Microchip

Product Type

Real Time Clock

Date Format

D:M:Y, DW

Time Format

HH:MM:SS

Sub Type

Real Time Clock

Mount Type

Surface

Package Type

SOIC

Pin Count

8

RTC Memory Size

64B

Minimum Operating Temperature

-40°C

Maximum Operating Temperature

125°C

Height

1.5mm

Length

4.9mm

Series

MCP7940N

Standards/Approvals

No

Automotive Standard

No

Maximum Supply Voltage

5.5V

Minimum Supply Voltage

1.8V

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. Using a low-cost 32.768 kHz crystal, it tracks time using several internal registers.

Battery Backup

64 Bytes Battery-Backed SRAM

2-Wire Serial Interface, I2C™Compatible

I2C Clock Frequency up to 400 kHz

Low-Power

Wide Voltage Range

Operating Voltage 1.8V to 5.5V

Backup Voltage 1.3V to 5.5V

Low Typical Timekeeping Current

Automatic Switchover to Battery Backup

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