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DS1501YZN+ - Analog Devices

Description: Maxim DS1501YZN+ Real Time Clock — Calendar, 256B RAM 28-Pin SOIC

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DS1501YZN+ - Analog Devices - PCB symbol
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PCB Footprints
DS1501YZN+ - Analog Devices PCB footprint - Other - Other - SOIC127P1032X265-28N
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3D Models
DS1501YZN+ - Analog Devices - 3D model - Other - SOIC127P1032X265-28N
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DS1501YZN+ Details

  • Manufacturer Part Number:

    DS1501YZN+

  • Brand Name:

    Analog Devices Inc

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    28-SOIC_W-300_MIL

  • Package Description:

    SOP-28

  • Pin Count:

    28

  • Manufacturer Package Code:

    28-SOIC_W-300_MIL

  • 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:

    2003-03-10

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    8.5

  • Clock Frequency-Max:

    0.032768 MHz

  • External Data Bus Width:

    8

  • Information Access Method:

    PARALLEL, DIRECT ADDRESS

  • Interrupt Capability:

    Y

  • JESD-30 Code:

    R-PDSO-G28

  • JESD-609 Code:

    e3

  • Length:

    17.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Terminals:

    28

  • On Chip Data RAM Width:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP28,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • RAM (words):

    256

  • Seated Height-Max:

    2.65 mm

  • Supply Current-Max:

    15 mA

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    4.5 V

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Time-Min:

    SECONDS

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

    30

  • Volatile:

    NO

  • Width:

    7.5 mm

  • uPs/uCs/Peripheral ICs Type:

    TIMER, REAL TIME CLOCK

DS1501YZN+ Frequently Asked Questions (FAQs)

  • A good PCB layout for the DS1501YZN+ involves keeping the analog and digital grounds separate, using a solid ground plane, and minimizing noise coupling between the analog and digital sections. It's also recommended to use a low-ESR capacitor for the VCC pin and to keep the input traces as short as possible.
  • To ensure accurate temperature measurement, it's essential to calibrate the device, use a high-accuracy voltage reference, and minimize thermal gradients on the PCB. Additionally, the device should be mounted in a way that minimizes thermal coupling to other components, and the temperature sensor should be placed in a location that accurately represents the temperature of interest.
  • The maximum cable length for the 1-Wire interface depends on the cable type, capacitance, and noise environment. As a general guideline, Analog Devices recommends keeping the cable length below 100 meters. However, with proper cable selection and termination, longer cable lengths may be possible.
  • The DS1501YZN+ has a built-in power-on reset and brown-out detection circuit. To handle these events, it's recommended to use an external capacitor to filter the power supply, and to implement a reset circuit that can detect and respond to power-on reset and brown-out conditions.
  • The recommended clock frequency for the 1-Wire interface is between 100 kHz and 400 kHz. However, the device can operate at frequencies up to 1 MHz. It's essential to ensure that the clock frequency is stable and accurate to maintain reliable communication.

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DS1501YZN+ Overview

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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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