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1338-31DVGI - Renesas Electronics

Description: The 1338 is a serial real-time clock (RTC) device that consumes ultra-low power and provides a full binary-coded decimal (BCD) clock/calendar with 56 bytes of battery backed Non-Volatile Static RAM. The clock/calendar provides seconds, minutes, hours, day, date, month, and year information. The clock operates in either the 24-hour or 12-hour format with AM/PM indicator. The end of the month date is automatically adjusted for months with fewer than 31 days, including corrections for leap year. Access to the

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1338-31DVGI - Renesas Electronics - PCB symbol
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1338-31DVGI - Renesas Electronics PCB footprint - Small Outline Packages - Small Outline Packages - MSOP
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1338-31DVGI - Renesas Electronics - 3D model - Small Outline Packages - MSOP
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1338-31DVGI Details

  • Manufacturer Part Number:

    1338-31DVGI

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Package Description:

    MSOP-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    DVG8

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Factory Lead Time:

    12 Weeks

  • Date Of Intro:

    2020-10-01

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    15

  • Clock Frequency-Max:

    0.032768 MHz

  • Information Access Method:

    SERIAL(I2C)

  • Interrupt Capability:

    N

  • JESD-30 Code:

    S-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    3

  • Number of Terminals:

    8

  • On Chip Data RAM Width:

    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

  • Peak Reflow Temperature (Cel):

    260

  • RAM (words):

    56

  • Seated Height-Max:

    1.1 mm

  • Supply Current-Max:

    0.025 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

1338-31DVGI Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout guide in their application note (R01AN3804EU0100) which includes thermal vias, copper pours, and component placement guidelines to ensure optimal thermal performance.
  • Renesas recommends using an external overcurrent protection circuit, such as a fuse or a dedicated overcurrent protection IC, to prevent damage to the device. The datasheet provides guidelines for selecting the appropriate overcurrent protection component.
  • While the datasheet specifies an operating temperature range of -40°C to 125°C, Renesas recommends operating the device within a range of -20°C to 85°C for optimal performance and reliability.
  • Renesas provides EMC guidelines in their application note (R01AN3804EU0100) which include recommendations for PCB layout, component selection, and shielding to minimize electromagnetic interference.
  • Renesas recommends a power-up sequence of VCC, then VDD, to ensure proper device operation and prevent latch-up. The datasheet provides a detailed power-up sequence diagram.

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1338-31DVGI Overview

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