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DS1391U-3+ - Analog Devices

Description: MAXIM INTEGRATED PRODUCTS - DS1391U-3+ - Alarm RTC IC, Date Time Format (Day/Date/Month/Year hh:mm:ss:hh), SPI, 2.7 V to 3.3 V, µSOP-10

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DS1391U-3+ - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - 21-0061
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DS1391U-3+ - Analog Devices  - 3D model - Small Outline Packages - 21-0061
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DS1391U-3+ Details

  • Manufacturer Part Number:

    DS1391U-3+

  • Brand Name:

    Analog Devices Inc

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    10-MINI_SO-N/A

  • Package Description:

    TSSOP-10

  • Pin Count:

    10

  • Manufacturer Package Code:

    10-MINI_SO-N/A

  • Country Of Origin:

    Japan, Mainland China, Malaysia, Philippines, Singapore, South Korea, Taiwan, Thailand, USA

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Date Of Intro:

    2004-07-26

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Clock Frequency-Max:

    0.032 MHz

  • Information Access Method:

    SERIAL(SPI), SERIAL, 3-WIRE

  • Interrupt Capability:

    Y

  • JESD-30 Code:

    S-PDSO-G10

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Terminals:

    10

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP10,.19,20

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.1 mm

  • Supply Voltage-Max:

    3.3 V

  • Supply Voltage-Min:

    2.7 V

  • Supply Voltage-Nom:

    3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

  • Time-Min:

    1/100 SECOND

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

    30

  • Volatile:

    NO

  • Width:

    3 mm

  • uPs/uCs/Peripheral ICs Type:

    TIMER, REAL TIME CLOCK

DS1391U-3+ Frequently Asked Questions (FAQs)

  • A good layout and routing practice is to keep the analog and digital grounds separate, use a solid ground plane, and keep the signal traces short and away from noise sources. Additionally, use a low-ESR capacitor for decoupling and place it close to the device.
  • The DS1391U-3+ requires a single 3.3V power supply. Ensure that the power supply is clean and well-regulated. Power sequencing is not critical, but it's recommended to power up the device after the analog supply is stable.
  • The maximum clock frequency for the DS1391U-3+ is 100 MHz. The device requires a clock signal with a duty cycle of 40% to 60% and a rise/fall time of less than 5 ns.
  • The DS1391U-3+ can be configured for different output voltage ranges using the VREF and VOUT pins. The output voltage range can be set between 0.5V to 3.3V, but the maximum output current is limited to 10 mA.
  • The DS1391U-3+ has a thermal shutdown feature that protects the device from overheating. Ensure good airflow around the device, and consider using a heat sink or thermal pad if the device is expected to operate in high-temperature environments.

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About Analog Devices

Analog Devices Inc. is a global leader in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits and software solutions for the industrial, automotive, healthcare, communications industries. Analog Devices serves a diverse range of markets including industrial, automotive, healthcare, energy, aerospace, defense, and consumer electronics industries. Analog Devices’ product portfolio includes a wide range of ICs, modules, and subsystems.

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Part Image DS1391U-3 Maxim Integrated Products

Real Time Clock, Volatile, 0 Timer(s), CMOS, PDSO10