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DS1501WZN+ - Analog Devices

Description: BCD-Coded Century, Year, Month, Date, Day, Hours, Minutes, and Seconds with Automatic Leap-Year Compensation Valid Up to the Year 2100  Programmable Watchdog Timer and RTC Alarm  Century Register; Y2K-Compliant RTC  +3.3 (W) or +5V (Y) Operation  Precision Power-On Reset  Power-Control Circuitry Support System Power-On from Date/Day/Time Alarm or Key Closure/Modem-Detect Signal  256 Bytes Battery-Backed SRAM  Auxiliary Battery Input  Accuracy of DS1511 Better than ±1 Minute/Month at +

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DS1501WZN+ - Analog Devices - PCB symbol
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DS1501WZN+ - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - W28+3
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DS1501WZN+ - Analog Devices - 3D model - Small Outline Packages - W28+3
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DS1501WZN+ Details

  • Manufacturer Part Number:

    DS1501WZN+

  • 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:

    10 mA

  • Supply Voltage-Max:

    3.6 V

  • Supply Voltage-Min:

    3 V

  • Supply Voltage-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • 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

DS1501WZN+ Frequently Asked Questions (FAQs)

  • A good PCB layout for the DS1501WZN+ involves keeping the analog and digital grounds separate, using a solid ground plane, and placing the device close to the battery to minimize noise. Additionally, it's recommended to use a 4-layer PCB with a dedicated power plane and a dedicated ground plane.
  • The DS1501WZN+ has an internal calibration mechanism that can be accessed through the I2C interface. The device can be calibrated by writing specific calibration codes to the device's registers. The calibration process involves measuring the device's temperature reading at multiple points and adjusting the internal calibration coefficients accordingly.
  • The maximum cable length for the I2C interface of the DS1501WZN+ depends on the clock frequency and the capacitance of the cable. As a general rule, the cable length should be limited to 10-20 cm for a clock frequency of 400 kHz. For longer cable lengths, it's recommended to use a repeater or a buffer to maintain signal integrity.
  • The DS1501WZN+ has a built-in power-on reset (POR) circuit that resets the device when the power supply voltage falls below a certain threshold. To handle the POR, it's recommended to add a capacitor between the VCC pin and the GND pin to filter out noise and ensure a clean power-up sequence.
  • The recommended power supply decoupling for the DS1501WZN+ involves using a 10 uF ceramic capacitor in parallel with a 100 nF ceramic capacitor between the VCC pin and the GND pin. This helps to filter out noise and ensure a stable power supply to the device.

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DS1501WZN+ 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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DS1501WZN+ Alternates

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Part Image DS1501WZ+ Maxim Integrated Products

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Part Image DS1501WZN+T&R Analog Devices Inc

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Part Image DS1501WZN+ Maxim Integrated Products

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Part Image DS1501WZN+T&R Maxim Integrated Products

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Part Image DS1501WZ+T&R Maxim Integrated Products

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For a full list of alternate parts for DS1501WZN+, check out Findchips.com