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AT27LV040A-12JI

AT27LV040A-12JI

Product Overview

Category

AT27LV040A-12JI belongs to the category of integrated circuits (ICs) and specifically falls under the non-volatile memory category.

Use

This product is primarily used for storing data in electronic devices, such as microcontrollers, computers, and other digital systems. It provides non-volatile storage, meaning that the data remains intact even when power is removed.

Characteristics

  • Non-volatile: Retains data even without power supply.
  • High capacity: The AT27LV040A-12JI has a storage capacity of 4 megabits (512 kilobytes).
  • Low power consumption: Designed to operate with minimal power requirements.
  • Fast access time: Offers quick read and write operations.
  • Reliable: Provides robust data retention and endurance.

Package

The AT27LV040A-12JI is available in a standard JEDEC 32-pin PLCC (Plastic Leaded Chip Carrier) package. This package offers protection to the integrated circuit and facilitates easy installation on printed circuit boards (PCBs).

Essence

The essence of the AT27LV040A-12JI is its ability to provide reliable and non-volatile storage for electronic devices, ensuring data integrity even during power interruptions or system shutdowns.

Packaging/Quantity

The AT27LV040A-12JI is typically supplied in reels or tubes, depending on the manufacturer's packaging standards. The quantity per reel or tube may vary but is commonly around 250 units.

Specifications

  • Manufacturer: Atmel Corporation
  • Part Number: AT27LV040A-12JI
  • Memory Type: Flash EEPROM (Electrically Erasable Programmable Read-Only Memory)
  • Organization: 512K x 8 bits
  • Supply Voltage: 2.7V - 3.6V
  • Access Time: 120 ns
  • Operating Temperature Range: -40°C to +85°C
  • Package Type: PLCC-32

Detailed Pin Configuration

The AT27LV040A-12JI has a total of 32 pins, each serving a specific purpose. The pin configuration is as follows:

  1. A16 (Address Input)
  2. A15 (Address Input)
  3. A14 (Address Input)
  4. A13 (Address Input)
  5. A12 (Address Input)
  6. A7 (Address Input)
  7. A6 (Address Input)
  8. A5 (Address Input)
  9. A4 (Address Input)
  10. A3 (Address Input)
  11. A2 (Address Input)
  12. A1 (Address Input)
  13. A0 (Address Input)
  14. VSS (Ground)
  15. DQ0 (Data Input/Output)
  16. DQ1 (Data Input/Output)
  17. DQ2 (Data Input/Output)
  18. DQ3 (Data Input/Output)
  19. DQ4 (Data Input/Output)
  20. DQ5 (Data Input/Output)
  21. DQ6 (Data Input/Output)
  22. DQ7 (Data Input/Output)
  23. WE# (Write Enable)
  24. CE# (Chip Enable)
  25. OE# (Output Enable)
  26. NC (No Connection)
  27. VCC (Power Supply)
  28. A8 (Address Input)
  29. A9 (Address Input)
  30. A11 (Address Input)
  31. A10 (Address Input)
  32. RP (Reset/Program)

Functional Features

The AT27LV040A-12JI offers several functional features that enhance its usability and performance:

  1. Fast Read and Write Operations: The product provides quick access times, allowing for efficient data retrieval and storage.
  2. Low Power Consumption: Designed with power efficiency in mind, the AT27LV040A-12JI minimizes energy consumption, making it suitable for battery-powered devices.
  3. High Data Retention: The non-volatile memory ensures that stored data remains intact for extended periods, even without a power supply.
  4. Endurance: The product is designed to withstand numerous read and write cycles, ensuring long-term reliability.
  5. Wide Operating Temperature Range: With an operating temperature range of -40°C to +85°C, the AT27LV040A-12JI can function reliably in various environments.

Advantages and Disadvantages

Advantages

  • Non-volatile storage ensures data integrity during power interruptions.
  • High capacity allows for storing large amounts of data.
  • Fast access time enables quick data retrieval.
  • Low power consumption prolongs battery life in portable devices.
  • Reliable endurance ensures long-term usability.

Disadvantages

  • Limited storage capacity compared to higher-capacity memory options.
  • Higher cost per unit compared to some other memory technologies.
  • Requires additional circuitry for

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací AT27LV040A-12JI v technických řešeních

Sure! Here are 10 common questions and answers related to the application of AT27LV040A-12JI in technical solutions:

  1. Q: What is the AT27LV040A-12JI? A: The AT27LV040A-12JI is a 4-megabit low-voltage, high-performance electrically erasable programmable read-only memory (EEPROM) chip.

  2. Q: What is the voltage range for operating the AT27LV040A-12JI? A: The AT27LV040A-12JI operates within a voltage range of 2.7V to 5.5V.

  3. Q: What is the maximum clock frequency supported by the AT27LV040A-12JI? A: The AT27LV040A-12JI supports a maximum clock frequency of 12 MHz.

  4. Q: Can the AT27LV040A-12JI be used for code storage in microcontroller-based systems? A: Yes, the AT27LV040A-12JI can be used for storing program code in microcontroller-based systems.

  5. Q: How many address lines does the AT27LV040A-12JI have? A: The AT27LV040A-12JI has 12 address lines, allowing it to address up to 4 megabits of memory.

  6. Q: Does the AT27LV040A-12JI support byte-level or word-level read and write operations? A: The AT27LV040A-12JI supports byte-level read and write operations.

  7. Q: Can the AT27LV040A-12JI be reprogrammed multiple times? A: No, the AT27LV040A-12JI is a one-time programmable (OTP) memory, meaning it can be programmed only once.

  8. Q: What is the typical access time of the AT27LV040A-12JI? A: The typical access time of the AT27LV040A-12JI is 120 nanoseconds.

  9. Q: Is the AT27LV040A-12JI compatible with standard TTL logic levels? A: Yes, the AT27LV040A-12JI is compatible with standard TTL logic levels.

  10. Q: Can the AT27LV040A-12JI operate in harsh environmental conditions? A: The AT27LV040A-12JI has a wide operating temperature range (-40°C to +85°C) and can withstand harsh environmental conditions.

Please note that these answers are based on general information about the AT27LV040A-12JI and may vary depending on specific application requirements.