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DS1220AD-120+ - Analog Devices

Description: MAXIM INTEGRATED PRODUCTS - DS1220AD-120+ - NVRAM, SRAM, 16 Kbit, 2K x 8bit, 120 ns, EDIP

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DS1220AD-120+ - Analog Devices - PCB symbol
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DS1220AD-120+ - Analog Devices PCB footprint - Dual-In-Line Sockets - Dual-In-Line Sockets - DS1220AD-200IND+*
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DS1220AD-120+ Details

  • Manufacturer Part Number:

    DS1220AD-120+

  • 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, PLASTIC, DIP-24

  • Pin Count:

    24

  • 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:

    120 ns

  • JESD-30 Code:

    R-XDMA-P24

  • JESD-609 Code:

    e3

  • Memory Density:

    16384 bit

  • Memory IC Type:

    NON-VOLATILE SRAM MODULE

  • Memory Width:

    8

  • Number of Functions:

    1

  • Number of Terminals:

    24

  • Number of Words:

    2048 words

  • Number of Words Code:

    2000

  • Operating Mode:

    ASYNCHRONOUS

  • Operating Temperature-Max:

    70 °C

  • Organization:

    2KX8

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP24,.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

DS1220AD-120+ Frequently Asked Questions (FAQs)

  • It is recommended to place the DS1220AD-120+ close to the battery, use a solid ground plane, and keep the device away from high-frequency signals and noise sources. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended. Additionally, use a 10uF capacitor between VCC and GND, and a 1uF capacitor between VBAT and GND to filter out noise.
  • To ensure accurate temperature measurement, it is essential to follow proper thermal design practices. This includes ensuring good thermal contact between the device and the PCB, using a thermally conductive material for the PCB, and avoiding thermal gradients. Additionally, calibrate the device using the CAL pin and follow the recommended calibration procedure.
  • The maximum allowed voltage on the VBAT pin is 4.5V. Exceeding this voltage can cause permanent damage to the device. It is recommended to use a voltage regulator or a voltage limiter to ensure the voltage on the VBAT pin does not exceed 4.5V. Higher voltages can also affect the device's accuracy and reliability.
  • During power-up, ensure that the VCC pin is powered up before the VBAT pin. During power-down, ensure that the VBAT pin is powered down before the VCC pin. This prevents incorrect operation and potential damage to the device. Additionally, use a power-up reset circuit to ensure the device is properly reset during power-up.
  • The recommended method for communicating with the DS1220AD-120+ using the 1-Wire protocol is to use a dedicated 1-Wire master device or a microcontroller with a 1-Wire interface. Ensure that the 1-Wire bus is properly terminated, and use a pull-up resistor on the DQ pin to prevent bus contention.

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DS1220AD-120+ Overview

Use the download button to access the DS1220AD-120+ schematic symbol and PCB footprint.
To find more CAD model downloads similar to this part, try a partial part number search, like DS122, or try a keyword search, such as SRAMs

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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