AT27LV040A-12VI

Product Overview

Category

AT27LV040A-12VI belongs to the category of programmable read-only memory (PROM) chips.

Use

This chip is primarily used for storing data that needs to be permanently written and cannot be modified or erased. It is commonly employed in applications where non-volatile memory is required.

Characteristics

• Non-volatile: The stored data remains intact even when power is removed.
• High storage capacity: The AT27LV040A-12VI has a capacity of 4 megabits (512 kilobytes).
• Low power consumption: This chip operates at low power levels, making it suitable for battery-powered devices.
• Fast access time: With a speed rating of 120 nanoseconds, it provides quick access to stored data.

Package

The AT27LV040A-12VI chip is available in a 32-pin plastic package.

Essence

The essence of this PROM chip lies in its ability to store data permanently, ensuring that critical information remains intact even during power outages or system failures.

Packaging/Quantity

The AT27LV040A-12VI is typically packaged in reels or tubes, with each containing a specific quantity of chips. The exact packaging and quantity may vary depending on the manufacturer's specifications.

Specifications

• Memory Capacity: 4 Megabits (512 Kilobytes)
• Access Time: 120 Nanoseconds
• Operating Voltage: 5V
• Operating Temperature Range: -40°C to +85°C
• Package Type: 32-pin Plastic Package

Detailed Pin Configuration

1. A16
2. A15
3. A12
4. A7
5. A6
6. A5
7. A4
8. A3
9. A2
10. A1
11. A0
12. /OE (Output Enable)
13. /CE (Chip Enable)
14. NC (No Connection)
15. DQ0 (Data Output 0)
16. DQ1 (Data Output 1)
17. DQ2 (Data Output 2)
18. DQ3 (Data Output 3)
19. DQ4 (Data Output 4)
20. DQ5 (Data Output 5)
21. DQ6 (Data Output 6)
22. DQ7 (Data Output 7)
23. VCC (Power Supply)
24. GND (Ground)
25. A8
26. A9
27. A11
28. A10
29. /WE (Write Enable)
30. /BYTE (Byte/Word Organization)
31. /WP (Write Protect)
32. /RESET (Reset)

Functional Features

• Non-volatile storage: The AT27LV040A-12VI retains data even when power is removed.
• High-speed access: With an access time of 120 nanoseconds, it provides quick retrieval of stored information.
• Low power consumption: This chip operates at low power levels, making it suitable for energy-efficient applications.
• Easy integration: The 32-pin package allows for easy integration into various electronic systems.

Advantages and Disadvantages

Advantages

• Permanent data storage ensures critical information is retained.
• Fast access time enables quick retrieval of data.
• Low power consumption makes it suitable for battery-powered devices.
• Easy integration due to the standard 32-pin package.

Disadvantages

• Data cannot be modified or erased once programmed.
• Limited storage capacity compared to other memory technologies.
• Relatively higher cost per bit compared to other memory options.

Working Principles

The AT27LV040A-12VI operates based on the principle of electrical charge trapping. During programming, data is written into the memory cells by applying specific voltage levels to the appropriate pins. Once programmed, the stored data remains intact until a higher voltage is applied for erasure.

Detailed Application Field Plans

The AT27LV040A-12VI finds applications in various fields, including: 1. Embedded systems: Used for firmware storage in microcontrollers and other embedded devices. 2. Automotive electronics: Employed for storing critical data such as calibration parameters and configuration settings. 3. Industrial automation: Utilized for storing program code and configuration data in industrial control systems. 4. Consumer electronics: Found in devices like set-top boxes, gaming consoles, and digital cameras for non-volatile data storage.

Detailed and Complete Alternative Models

1. AT27C010-70PU: 1 Megabit (128 Kilobytes) PROM chip with an access time of 70 nanoseconds.
2. AT28C256-15PU: 256 Kilobit (32 Kilobytes) EEPROM chip with an access time of 150 nanoseconds.
3. AM29F016D-90EC: