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Product Detailed Parameters
- Description：IC RTC CLK/CALENDAR I2C 8MSOP
- Series：-
- Package：Tape & Reel (TR)
- Mfr：Renesas Electronics Corporation
- Type：Clock/Calendar
- Features：Alarm, Leap Year, Square Wave Output
- Memory Size：-
- Time Format：HH:MM:SS (12/24 hr)
- Date Format：YY-MM-DD-dd
- Interface：I2C, 2-Wire Serial
- Voltage - Supply：1.8V ~ 5.5V
- Voltage - Supply, Battery：-
- Current - Timekeeping (Max)：0.6µA @ 1.3V ~ 1.8V
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Supplier Device Package：8-MSOP
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Overview
The Renesas 1337GDVGI8 is a low-power serial real-time clock (RTC) device belonging to the 1337G series. It counts seconds, minutes, hours, day, date, month, and year with leap-year compensation valid up to the year 2100. The device features an I2C serial interface supporting Normal and Fast modes for address and data transfer. It includes two programmable time-of-day alarms and a programmable square-wave output that defaults to 32 kHz upon power-up. The operating voltage range is 1.8 V to 5.5 V, and it supports industrial temperature ranges from -40°C to +85°C.
Feature Summary
- I2C Serial Interface: Supports Normal and Fast modes for efficient data transfer.
- Automatic Date Adjustment: Corrects for months with fewer than 31 days and leap years up to 2100.
- Dual Alarms: Features two programmable time-of-day alarms.
- Square-Wave Output: Programmable output defaulting to 32 kHz on power-up.
Applications
- Systems requiring precise timekeeping with I2C connectivity.
- Industrial equipment operating in temperatures from -40°C to +85°C.
- Battery-backed real-time clock applications within 1.8 V to 5.5 V supply ranges.
Procurement Notes
Verify availability status as Mouser indicates restricted supply or unavailability for this part number. Confirm package type TSSOP-8 and moisture sensitivity level before ordering. Check for product change notifications or end-of-life notices directly from Renesas Electronics documentation.
Selection Notes
Select the 1337GDVGI8 when an I2C-compatible RTC with dual alarms and leap-year correction is required. Ensure the system voltage falls within the 1.8 V to 5.5 V range. Consider the TSSOP-8 package constraints and industrial temperature rating (-40°C to +85°C) for environmental compatibility.
Part Context
The 1337GDVGI8 is part of the Renesas 1337G family of real-time clocks. This series provides low-power timekeeping solutions with serial interfaces. The 'DVGI8' suffix typically denotes specific packaging and temperature grade variations within the broader 1337G product line.
Replacement Considerations
Consult Renesas official documentation for direct pin-to-pin replacements within the 1337G series. Verify functional equivalence regarding I2C speed, alarm capabilities, and voltage ranges before substituting.
