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NM27C256V90

NM27C256V90

Manufacturer No:

NM27C256V90

Manufacturer:

onsemi

Description:

IC EPROM 256KBIT PARALLEL 32PLCC

Datasheet:

Datasheet

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NM27C256V90 Specifications

  • Type
    Parameter
  • Access Time
    90 ns
  • Supplier Device Package
    32-PLCC (14x11.46)
  • Package / Case
    32-LCC (J-Lead)
  • Mounting Type
    Surface Mount
  • Operating Temperature
    0°C ~ 70°C (TA)
  • Voltage - Supply
    4.5V ~ 5.5V
  • Write Cycle Time - Word, Page
    -
  • Memory Interface
    Parallel
  • Memory Organization
    32K x 8
  • Memory Size
    256Kbit
  • Technology
    EPROM - OTP
  • Memory Format
    EPROM
  • Memory Type
    Non-Volatile
  • DigiKey Programmable
    Not Verified
  • Packaging
    Tube
  • Product Status
    Obsolete
  • Series
    -
The NM27C256V90 is a specific model of integrated circuit (IC) chips, generally known as EPROM (Erasable Programmable Read-Only Memory). These chips have several advantages and application scenarios, including:1. Non-Volatile Memory: The NM27C256V90 is non-volatile, meaning it retains its data even in the absence of power. This makes it ideal for storing critical system firmware or boot code.2. Erasable and Reprogrammable: EPROM chips like NM27C256V90 are erasable and reprogrammable. They can be erased using ultraviolet (UV) light, allowing for multiple cycles of programming and reuse. However, the NM27C256V90 specifically requires electronic erasure, unlike older models that used UV erasure.3. Reliability: These IC chips have high reliability, making them suitable for applications that require long-term storage of critical data or firmware.4. Large Storage Capacity: The NM27C256V90 model specifically has a storage capacity of 256 kilobits (32 kilobytes). This size is useful for various applications, such as storing firmware, encryption keys, or data logging in embedded systems.5. Compatibility: The NM27C256V90 is designed to be compatible with a wide range of microprocessors and integrated circuits, making it versatile for different systems.Application scenarios for NM27C256V90 chips include:1. Embedded Systems: EPROM chips like NM27C256V90 are commonly used in embedded systems to store firmware, boot code, or configuration data. They provide a reliable and non-volatile storage solution for such systems.2. Industrial Control Systems: EPROM chips are widely used in industrial control systems for long-term storage of critical system software and data. They ensure the system can retain necessary information even during power outages.3. Legacy System Support: Some older systems, such as vintage computers or arcade machines, rely on EPROM chips for their firmware or game data. The NM27C256V90 can be used as a replacement for these older, hard-to-find chips.4. Encryption Devices: EPROM chips can be utilized in encryption devices to store encryption keys securely. The non-volatile nature of the NM27C256V90 ensures that the keys remain intact even if the device loses power.5. Automotive Systems: The high reliability and non-volatility of EPROM chips make them suitable for automotive applications, such as storing calibration data for engine control units (ECUs) or firmware for in-car entertainment systems.It is important to note that as technology evolves, EPROM chips like NM27C256V90 are being replaced by newer non-volatile memory technologies such as EEPROM (Electrically Erasable Programmable Read-Only Memory) and Flash memory.
NM27C256V90 Relevant information