
Allicdata Part #: | MCP79402T-I/MNY-ND |
Manufacturer Part#: |
MCP79402T-I/MNY |
Price: | $ 0.62 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Microchip Technology |
Short Description: | IC RTC CLK/CALENDAR I2C 8-TDFN |
More Detail: | Real Time Clock (RTC) IC Clock/Calendar 64B I²C, 2... |
DataSheet: | ![]() |
Quantity: | 1000 |
3300 +: | $ 0.55968 |
Interface: | I²C, 2-Wire Serial |
Base Part Number: | MCP79402 |
Supplier Device Package: | 8-TDFN (2x3) |
Package / Case: | 8-WFDFN Exposed Pad |
Mounting Type: | Surface Mount |
Operating Temperature: | -40°C ~ 85°C |
Current - Timekeeping (Max): | 1.2µA (Typ) @ 3.3V |
Voltage - Supply, Battery: | 1.3 V ~ 5.5 V |
Voltage - Supply: | 1.8 V ~ 5.5 V |
Series: | -- |
Date Format: | YY-MM-DD-dd |
Time Format: | HH:MM:SS (12/24 hr) |
Memory Size: | 64B |
Features: | Alarm, Leap Year, Square Wave Output, SRAM, Unique ID |
Type: | Clock/Calendar |
Part Status: | Active |
Packaging: | Tape & Reel (TR) |
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The MCP79402T is a Real Time Clock (RTC) device from Microchip Technologies that contains an integrated oscillator and EEPROM memory. The MCP79402T-I/MNY package is a complete 64-pin TSSOP module consisting of 32 pins for the RTC, a 32-pin General Purpose I/O, and a 4-pin SMBus interface. The device is designed to provide an accurate time and date to electronic systems, enabling time-stamping, logging, and time-keeping features. The integrated oscillator ensures that the device is accurate over the full temperature range of -40 to +85°C, and the integrated EEPROM provides non-volatile storage.
The MCP79402T-I/MNY device is suitable for applications that require a real-time clock, such as automotive, consumer, industrial, medical, and power management applications. Automotive applications require a real-time clock for time management, logging, and time-stamping, as well as for maintaining time between power cycles. Consumer applications, such as personal electronic devices, need a real-time clock for time-keeping and time synchronization purposes. Industrial applications, such as machine-to-machine communications, require a reliable and accurate time-keeping device. Medical applications need an accurate and reliable real-time clock for logging events and synchronizing data. Power management applications need a real-time clock with low power consumption and excellent temperature stability in order to reliably maintain time over temperature cycling and power cycles.
The MCP79402T-I/MNY features a full-featured real-time clock and calendar, along with an integrated EEPROM for non-volatile storage. The clock is configured to operate with a quartz crystal oscillator, and is accurate to within ±10 minutes per year. It is also capable of operating in battery-backup mode, making it suitable for applications where power is unreliable. In battery-backup mode, the device is capable of maintaining time accurately for up to 8 years when operated at 3.3V.
The MCP79402T-I/MNY also features an integrated SMBus interface, allowing for communication with external control devices, such as microcontrollers, controllers, or other TI chips. The device also has an integrated Watchdog Timer, which can be used to detect and correct any errors in the real-time clock. In addition, a Programmable Square Wave Output is available for use with other devices, such as microcontrollers, providing an accurate clock for time-keeping and synchronization. Finally, the device is capable of operating in a low-power standby mode, reducing power consumption significantly.
In conclusion, the MCP79402T-I/MNY is a complete 64-pin TSSOP module consisting of 32 pins for the RTC, a 32-pin General Purpose I/O, and a 4-pin SMBus interface. It is designed to provide an accurate time and date to electronic systems, enabling time-stamping, logging, and accurate time keeping for applications such as automotive, consumer, industrial, medical, and power management. The device has an integrated oscillator, integrated EEPROM, and an integrated SMBus interface, as well as a Watchdog Timer and Programmable Square Wave Output, making it suitable for applications that require a low power and accurate real-time clock.
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