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MCP79400-I/SN - 

Alarm RTC IC, Year/Month/Week/Date/Hr/Min/Sec 12Hr / 24Hr, I2C, 1.8 V to 5.5 V, SOIC-8

MICROCHIP MCP79400-I/SN

De afbeelding is alleen ter illustratie. Zie de productbeschrijving.

Artikelnr. fabrikant:
MCP79400-I/SN
Ordercode:
2361117
Technische datasheet:
(EN)
Bekijk alle technische documenten

Productgegevens

:
-40°C
:
Alarm RTC
:
85°C
:
8Pins
:
-
:
-
:
1.8V
:
SOIC
:
I2C
:
12Hr / 24Hr
:
Each
:
5.5V
:
YYYY:MM:WK:DD:Hr:Min:Secs
:
MSL 2 - 1 year
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Productoverzicht

The MCP79400-I/SN is a low-power Real-time Clock (RTC) uses digital timing compensation for an accurate clock/calendar, a programmable output control for versatility, a power sense circuit that automatically switches to the backup supply and non-volatile memory for data storage. Using a 32.768kHz crystal, it tracks time using several internal registers. For communication, the MCP7940X uses the I²C™ bus. The clock/calendar automatically adjusts for months with fewer than 31 days, including corrections for leap years. The clock operates in either the 24-hour or 12-hour format with an AM/PM indicator and settable alarm(s) to the second, minute, hour, day of the week, date or month. Along with the battery-backed SRAM memory, a 64-bit protected EEPROM space is available for unique ID or MAC address to be programmed at the factory or by the end user.
  • On-chip digital trimming/calibration - 1ppm Resolution
  • Dual alarm with single output
  • Programmable open-drain output control - CLKOUT with 4 selectable frequencies and alarm output
  • 64-byte SRAM, battery backed
  • Automatic VCC switchover to VBAT backup supply
  • Power-fail time-stamp for battery switchover
  • Low-power CMOS technology
  • 1 Million erase/write cycles for unique ID
  • 64-bit Unique ID - User or factory programmable and protected EEPROM

Toepassingen

Clock & Timing

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