AT27LV040A-90VC

Product Overview

Category

AT27LV040A-90VC 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 used in various electronic devices such as computers, consumer electronics, and automotive applications.

Characteristics

• Non-volatile: The stored data remains intact even when power is turned off.
• High density: The chip has a capacity of 4 megabits (512 kilobytes).
• Fast access time: The chip operates at a speed of 90 nanoseconds.
• Low power consumption: It is designed to consume minimal power during operation.
• Reliable: The chip offers high endurance and data retention capabilities.

Package

AT27LV040A-90VC is available in a standard 32-pin plastic package.

Essence

The essence of this PROM chip lies in its ability to store large amounts of data reliably and securely, making it an essential component in many electronic systems.

Packaging/Quantity

The chip is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the manufacturer's packaging specifications.

Specifications

• Capacity: 4 megabits (512 kilobytes)
• Access Time: 90 nanoseconds
• Supply Voltage: 5V ±10%
• 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
13. CE
14. WE
15. I/O0
16. I/O1
17. I/O2
18. I/O3
19. I/O4
20. I/O5
21. I/O6
22. I/O7
23. VCC
24. GND
25. NC
26. NC
27. NC
28. NC
29. NC
30. NC
31. NC
32. NC

Functional Features

• High-speed access: The chip offers fast read access time, allowing for quick retrieval of stored data.
• Low power consumption: It is designed to operate efficiently with minimal power requirements.
• Easy integration: The chip can be easily integrated into existing electronic systems due to its standard pin configuration and package.

Advantages and Disadvantages

Advantages

• Non-volatile memory: Data remains intact even without power supply.
• High storage capacity: The chip can store a large amount of data.
• Fast access time: Allows for quick retrieval of information.
• Reliable and durable: Offers high endurance and data retention capabilities.

Disadvantages

• Limited flexibility: Once programmed, the data cannot be modified or erased.
• Higher cost compared to other memory technologies.

Working Principles

AT27LV040A-90VC utilizes a technology called electrically programmable read-only memory (EPROM). The data is written onto the chip during the manufacturing process using specialized programming equipment. Once programmed, the data remains permanently stored and can be accessed by the system when needed.

Detailed Application Field Plans

AT27LV040A-90VC finds applications in various fields, including: 1. Computer systems: Used for storing firmware, BIOS, and other critical system data. 2. Consumer electronics: Integrated into devices like set-top boxes, gaming consoles, and digital cameras for data storage purposes. 3. Automotive industry: Utilized in electronic control units (ECUs) for storing calibration data, firmware, and configuration settings. 4. Industrial automation: Used in programmable logic controllers (PLCs) to store program code and configuration data.

Detailed and Complete Alternative Models

1. AT27C040-90JC
2. AT27C040-70PU
3. AM27C040-120DC
4. AM27C040-150DC
5. M27C4001-12F1

These alternative models offer similar functionality and specifications to the AT27LV040A-90VC chip and can be considered as alternatives based on specific requirements.

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