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AT27C040-12JI

AT27C040-12JI

Manufacturer No:

AT27C040-12JI

Manufacturer:

Microchip Technology

Description:

IC EPROM 4MBIT PARALLEL 32PLCC

Datasheet:

Datasheet

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AT27C040-12JI Specifications

  • Type
    Parameter
  • Supplier Device Package
    32-PLCC (13.97x11.43)
  • Package / Case
    32-LCC (J-Lead)
  • Mounting Type
    Surface Mount
  • Operating Temperature
    -40°C ~ 85°C (TC)
  • Voltage - Supply
    4.5V ~ 5.5V
  • Access Time
    120 ns
  • Write Cycle Time - Word, Page
    -
  • Memory Interface
    Parallel
  • Memory Organization
    512K x 8
  • Memory Size
    4Mbit
  • Technology
    EPROM - OTP
  • Memory Format
    EPROM
  • Memory Type
    Non-Volatile
  • DigiKey Programmable
    Not Verified
  • Packaging
    Tube
  • Product Status
    Obsolete
  • Series
    -
The AT27C040-12JI is a specific type of integrated circuit (IC) chip that offers various advantages and can be used in multiple application scenarios. Here are some of its advantages and potential use cases:Advantages:1. High Capacity: The AT27C040-12JI is a 4-megabit (4M) UV-erasable and electrically programmable read-only memory (EPROM) chip. Its high storage capacity allows for storing large amounts of data.2. Reliable Data Storage: EPROM technology ensures reliable and non-volatile storage of data. Once programmed, the data remains intact even when the power is removed.3. Fast Access Time: The "12JI" designation in the chip name indicates a relatively fast access time of 120 nanoseconds. This means that data can be accessed quickly from the chip, enhancing overall system performance.4. Low Power Consumption: The AT27C040-12JI consumes low power, making it suitable for battery-powered devices or applications where power efficiency is crucial.Application Scenarios:1. Firmware Storage: The high capacity and reliable data storage capability of the AT27C040-12JI make it ideal for storing firmware in a wide range of electronic devices. It can hold program code, initialization/configuration data, or fixed content that needs to be accessed by the system during operation.2. Bootloader/BIOS Chips: In computer systems, the AT27C040-12JI can be used as a boot ROM or BIOS chip. It stores the initial software that instructs the computer during the boot-up process and facilitates the loading of the operating system.3. Embedded Systems: In various embedded systems, such as industrial control systems, automotive electronics, or home automation, the AT27C040-12JI can be utilized to store critical data or program instructions that need to be permanently retained, even in the absence of power.4. Legacy Support: The AT27C040-12JI can also be used in scenarios where compatibility with older systems or devices is essential. It enables manufacturers to produce chips with similar specifications to the original devices, facilitating replacements or repairs.5. Custom Application-Specific IC (ASIC) Development: The AT27C040-12JI can be incorporated into custom ASIC designs where non-volatile storage is required. It can be used for various purposes, such as storing configuration data or calibration tables, in specialized systems.Note: It is always important to consult the official datasheet and application notes for the specific IC chip to understand its features, specifications, and recommended usage guidelines.
AT27C040-12JI Relevant information