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DS1225AD-200+ - Analog Devices

Description: Maxim DS1225AD-200+ SRAM Memory, 64kbit, 4.5 → 5.5 V, 200ns 28-Pin EDIP

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DS1225AD-200+ - Analog Devices PCB footprint - Dual-In-Line Sockets - Dual-In-Line Sockets - DS1225AD-200+
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DS1225AD-200+ Details

  • Manufacturer Part Number:

    DS1225AD-200+

  • Brand Name:

    Analog Devices Inc

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    N/A

  • Package Description:

    0.720 INCH, ROHS COMPLIANT, DIP-28

  • Pin Count:

    28

  • Manufacturer Package Code:

    N/A

  • Country Of Origin:

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

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.32.00.41

  • Date Of Intro:

    2002-10-30

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    8.5

  • Access Time-Max:

    200 ns

  • Additional Feature:

    10 YEAR DATA RETENTION

  • JESD-30 Code:

    R-PDMA-P28

  • JESD-609 Code:

    e3

  • Memory Density:

    65536 bit

  • Memory IC Type:

    NON-VOLATILE SRAM MODULE

  • Memory Width:

    8

  • Number of Functions:

    1

  • Number of Terminals:

    28

  • Number of Words:

    8192 words

  • Number of Words Code:

    8000

  • Operating Mode:

    ASYNCHRONOUS

  • Operating Temperature-Max:

    70 °C

  • Organization:

    8KX8

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP28,.6

  • Package Shape:

    RECTANGULAR

  • Package Style:

    MICROELECTRONIC ASSEMBLY

  • Parallel/Serial:

    PARALLEL

  • Qualification Status:

    Not Qualified

  • Standby Current-Max:

    0.01 A

  • Supply Current-Max:

    0.075 mA

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    4.5 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    NO

  • Technology:

    CMOS

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    PIN/PEG

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

DS1225AD-200+ Frequently Asked Questions (FAQs)

  • A good PCB layout for the DS1225AD-200+ involves keeping the crystal oscillator circuitry away from high-frequency signals, using a solid ground plane, and minimizing trace lengths and widths to reduce noise and parasitic capacitance. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
  • To ensure the accuracy of the RTC, use a high-quality crystal oscillator with a low ppm tolerance, maintain a stable power supply, and minimize temperature variations. Also, use the calibration feature of the DS1225AD-200+ to adjust the RTC frequency to match the crystal oscillator frequency.
  • The DS1225AD-200+ can handle up to 10^6 write cycles per byte, making it suitable for applications that require frequent data logging or configuration changes.
  • To prevent data corruption during power failures, use a battery-backed RAM (BBRAM) or a supercapacitor to maintain power to the DS1225AD-200+ during power failures. Also, use the power-fail detect feature of the DS1225AD-200+ to detect power failures and prevent data corruption.
  • The recommended operating temperature range for the DS1225AD-200+ is -40°C to +85°C. However, the device can operate up to +125°C for short periods of time during reflow soldering or other high-temperature processes.

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DS1225AD-200+ 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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For a full list of alternate parts for DS1225AD-200+, check out Findchips.com