1337AGDVGI

Overview

The Renesas 1337AGDVGI is a Real-Time Clock (RTC) IC featuring an I2C serial interface. It operates within a voltage range of 1.8 V to 5.5 V and supports industrial temperature ranges. The device counts seconds, minutes, hours, day, date, month, and year with automatic leap-year compensation valid up to the year 2100. It includes two programmable time-of-day alarms and a programmable square-wave output that defaults to 32 kHz upon power-up. The component is housed in an 8-pin MSOP package.

Feature Summary

• I2C Serial Interface supporting Normal and Fast modes
• Automatic date adjustment for months with fewer than 31 days and leap years
• Two programmable time-of-day alarms
• Programmable square-wave output defaulting to 32 kHz

Applications

• Industrial systems requiring precise timekeeping
• Consumer electronics with real-time clock functionality
• Data logging devices needing timestamp capabilities

Procurement Notes

Verify the specific suffix 'D' indicates the MSOP-8 package variant when sourcing. Confirm RoHS compliance status through official manufacturer documentation prior to procurement. Check current availability as stock levels fluctuate. Ensure I2C bus compatibility with the host microcontroller at the selected operating voltage.

Selection Notes

Select this component when an I2C-connected RTC with low power consumption and wide voltage operation is required. The 1.8 V to 5.5 V range allows flexibility in system design. Consider the MSOP-8 package constraints for PCB layout. Verify that the internal oscillator accuracy meets the application's timing requirements without external crystal integration.

Part Context

This part belongs to the 1337G series of low-power serial real-time clocks. The series offers similar functionality across different package options, including SOIC and QFN variants. The 1337AGDVGI specifically denotes the MSOP-8 packaging configuration within this family.

Replacement Considerations

Direct replacements include other parts from the 1337G series such as the 1337A or 1337B, provided the package type matches. Verify pinout compatibility and register mapping before substituting.