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1339-31DVGI8 - Renesas Electronics

Description: The 1339 serial real-time clock (RTC) is a low-power clock/date device with two programmable time-of-day alarms and a programmable square-wave output. Address and data are transferred serially through an I2C bus. The clock/date provides seconds, minutes, hours, day, date, month, and year information. The date at the end of the month is automatically adjusted for months with fewer than 31 days, including corrections for leap year. The clock operates in either the 24-hour or 12-hour format with AM/PM indicato

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1339-31DVGI8 - Renesas Electronics - PCB symbol
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PCB Footprints
1339-31DVGI8 - Renesas Electronics PCB footprint - Small Outline Packages - Small Outline Packages - DVG8 (TSSOP 8)
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1339-31DVGI8 - Renesas Electronics - 3D model - Small Outline Packages - DVG8 (TSSOP 8)
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1339-31DVGI8 Details

  • Manufacturer Part Number:

    1339-31DVGI8

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Package Description:

    TSSOP-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    DVG8

  • Similar Group:

    PM07100210341064100310061002

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Factory Lead Time:

    12 Weeks

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    14

  • Clock Frequency-Max:

    0.032768 MHz

  • Information Access Method:

    SERIAL(I2C)

  • Interrupt Capability:

    Y

  • JESD-30 Code:

    S-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    3

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP8,.2

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.1 mm

  • Supply Current-Max:

    0.45 mA

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    2.45 V

  • Supply Voltage-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Time-Min:

    SECONDS

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Volatile:

    NO

  • Width:

    3 mm

  • uPs/uCs/Peripheral ICs Type:

    TIMER, REAL TIME CLOCK

1339-31DVGI8 Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a dedicated ground plane and thermal vias is recommended for optimal thermal performance. Ensure a minimum of 1 oz copper thickness and a thermal relief pattern under the package.
  • Implement a robust thermal management system, including a heat sink and thermal interface material. Ensure good airflow and avoid hot spots. Monitor junction temperature and adjust the system design accordingly.
  • Use 10uF to 22uF ceramic capacitors with a voltage rating of 10V to 25V. Place them as close as possible to the power pins, with a maximum distance of 1 cm. Use a 0.1uF to 1uF capacitor in parallel for high-frequency decoupling.
  • Implement ESD protection using TVS diodes or ESD arrays at the input/output pins. Ensure the protection devices are rated for the maximum voltage and current of the system.
  • The internal oscillator can be used with a 10kΩ to 20kΩ resistor and a 10pF to 20pF capacitor. Adjust the values based on the specific application and frequency requirements.

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1339-31DVGI8 Overview

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1339-31DVGI8 Alternates

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Image Part Number Model
Part Image 1339-31DVGI Renesas Electronics Corporation

Real Time Clock, Non-Volatile, CMOS, PDSO8
Part Image 1339-31DVGI Integrated Device Technology Inc

Real Time Clock, Volatile, 0 Timer(s), CMOS, PDSO8