MCP79400-I/MS

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> Semiconductors - ICs

> Clocks Timing & Frequency Management

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Details for Microchip Technology

MCP79400-I/MS

I2C GP RTCC 64B SRAM ID
Buy Directly from Microchip Technology (4700 in Stock)
$0.7100 per unit
Series Information for MCP79400-I/MS - Microchip Technology

Description

RTCC GP I2C 64B SRAM ID 8MSOP
The MCP7940X Real-Time Clock/Calendar (RTCC) tracks time using internal counters for hours, minutes, seconds, days, months, years, and day of week. Alarms can be configured on all counters up to and including months. For usage and configuration, the MCP7940X supports I2C communications up to 400 kHz. The open-drain, multi-functional output can be configured to assert on an alarm match, to output a selectable frequency square wave or as a general purpose output. The MCP7940X is designed to operate using a 32.768 kHz tuning fork crystal with external crystal load capacitors. On-chip digital trimming can be used to adjust for frequency variance caused by crystal tolerance and temperature. SRAM and timekeeping circuitry are powered from the back-up supply when main power is lost, allowing the device to maintain accurate time and the SRAM contents. The times when the device switches over to the back-up supply and when primary power returns are both logged by the power-fail time-stamp. The MCP7940X features 64 bits of EEPROM which is only writable after an unlock sequence, making it ideal for storing a unique ID or other critical information. The MCP79401 and MCP79402 are pre-programmed with EUI-48 and EUI-64 addresses, respectively. Custom programming is also available.

Specifications

Date Format:
YYYY
Clock Format:
12Hr / 24Hr
Clock IC Type:
Alarm RTC
Supply Voltage Min:
1.8V
Supply Voltage Max:
5.5V
Clock IC Case Style:
MSOP
No. of Pins:
8Pins
IC Interface Type:
I2C
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 2 - 1 year
SVHC:
No SVHC (27-Jun-2018)

Alternate Descriptions

Avnet America

Real Time Clock Serial 64Byte 8-Pin MSOP Tube

Avnet America product

Microchip Technology Inc

I2C GP RTCC 64B SRAM ID

Avnet Europe

Real Time Clock Serial 64Byte 8-Pin MSOP Tube

Avnet Europe product

Future Electronics

I2CTM Compatible real-time clock/calendar (RTCC); MSOP-8