Microchip MCP7940M-I/P, Real Time Clock (RTC), 64B RAM Serial-I2C, 8-Pin PDIP

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406,44 kr

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508,08 kr

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60 +6,774 kr406,44 kr

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RS-artikelnummer:
146-0203
Tillv. art.nr:
MCP7940M-I/P
Tillverkare / varumärke:
Microchip
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Brand

Microchip

Functions

Alarm, Calendar

Date Format

DW:DM:M:Y

Time Format

HH:MM:SS

User RAM

64B

Bus Type

Serial-I2C

Mounting Type

Through Hole

Package Type

PDIP

Pin Count

8

Dimensions

10.16 x 7.11 x 4.95mm

Length

10.16mm

Width

7.11mm

Height

4.95mm

Maximum Operating Supply Voltage

5.5 V

Minimum Operating Temperature

-40 °C

Maximum Operating Temperature

+85 °C

Minimum Operating Supply Voltage

1.8 V

COO (Country of Origin):
TH

MCP7940M I²C Real-Time Clock/Calendars


The Microchip MCP7940M is Real-Time Clock Calendar (RTCC) that supports I²C communications. The MCP7940M includes a digital trimming circuit for accuracy which can compensate for crystal tolerance and temperature.

The MCP7940M features a multi-functional output that can be configured as an alarm output, to output a selectable frequency square wave or as a general purpose output.

Features


2-Wire Serial Interface, I²C™ Compatible: I²C clock rate up to 400 kHz
On-Chip Digital Trimming/Calibration: ±1 ppm resolution, ±129 ppm range
Tracks Hours, Minutes, Seconds, Day of Week, Day, Month and Year
Leap Year Compensated to 2399
12/24 Hour Modes
Oscillator for 32.768 kHz Crystals: Optimised for 6-9 pF crystals
Dual Programmable Alarms
Versatile Output Pin
Wide Operating Voltage Range: 1.8V to 5.5V
Low Typical Timekeeping Current: 1.2μA at 3.3V


Real Time Clock Peripherals - Microchip

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