MCP79400-I/SN

Electronic & Electrical Components

> Semiconductors - ICs

> Clocks Timing & Frequency Management

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Details for Microchip Technology

MCP79400-I/SN

I2C GP RTCC 64B SRAM ID
Buy Directly from Microchip Technology (7349 in Stock)
$0.6800 per unit
Series Information for MCP79400-I/SN - Microchip Technology

Features

  • feature
    1 Million Erase/Write Cycles for Unique ID
  • feature
    100 kHz and 400 kHz Compatibility
  • feature
    64 Bytes SRAM, Battery Backed
  • feature
    64-Bit Unique ID:
  • feature
    Alarm output
  • feature
    Automatic VCC Switchover to VBAT Backup Supply
  • feature
    Battery Backup Current: <700nA @ 1.8V
  • feature
    CLKOUT with 4 selectable frequencies
  • feature
    Custom ID programming
  • feature
    Dual alarm with single output
  • feature
    Dynamic Current: 400 uf06dA max SRAM
  • feature
    Dynamic Current: 400 uf06dA max read
  • feature
    ESD Protection >4,000V
  • feature
    EUI-48u2122 or EUI-64u2122 MAC address
  • feature
    Hours, Minutes, Seconds, Day of Week, Day, Month and Year
  • feature
    Low-Power CMOS Technology:
  • feature
    On-Chip Digital Trimming/Calibration:
  • feature
    Packages include 8-Lead SOIC, TSSOP, 2x3 TDFN, MSOP
  • feature
    Pb-Free and RoHS Compliant
  • feature
    Power-Fail Time-Stamp for Battery Switchover
  • feature
    Programmable Open-Drain Output Control:
  • feature
    Protected EEPROM
  • feature
    Range -127 to +127 ppm
  • feature
    Resolution 1 ppm
  • feature
    Temp
  • feature
    User or factory programmable

Description

RTCC GP I2C 64B SRAM ID 8SOIC
The MCP7940X series of low-power Real-Time Clocks (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 nonvolatile memory for data storage. Using a low-cost 32.768 kHz 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. Using the programmable CLKOUT, frequencies of 32.768, 8.192 and 4.096 kHz and 1 Hz can be generated from the external crystal. Along with the battery-backed SRAM memory, a 64-bit protected EEPROM space is available for a unique ID or MAC address to be programmed at the factory or by the end user. The device is fully accessible through the serial interface while VCC is between 1.8V and 5.5V, but can operate down to 1.3V for timekeeping and SRAM retention only. The RTC series of devices are available in the standard 8-lead SOIC, TSSOP, MSOP and 2x3 TDFN packages.

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:
SOIC
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 SOIC N Tube

Avnet America product

Microchip Technology Inc

I2C GP RTCC 64B SRAM ID

Avnet Europe

Real Time Clock Serial 64Byte 8-Pin SOIC N Tube

Avnet Europe product

Avnet Asia

Real Time Clock Serial 64Byte 8-Pin SOIC N Tube

Avnet Asia product

Future Electronics

MCP79400 Series 64 Byte I2C Real-Time Clock / Calendar - SOIC-8