AT27LV040A-90JU-T

Product Overview

Category: Integrated Circuit (IC)

Use: The AT27LV040A-90JU-T is a programmable read-only memory (PROM) IC. It is commonly used for storing non-volatile data that needs to be retained even when power is removed from the system.

Characteristics: - Non-volatile memory - 4 Megabit (512K x 8) capacity - Low power consumption - High-speed access time - Wide operating voltage range - Reliable and durable

Package: The AT27LV040A-90JU-T is available in a 32-pin PLCC (Plastic Leaded Chip Carrier) package. This package provides protection to the integrated circuit and facilitates easy installation on printed circuit boards.

Essence: The essence of the AT27LV040A-90JU-T is its ability to store and retain data without requiring power. This makes it ideal for applications where permanent storage of information is necessary.

Packaging/Quantity: The AT27LV040A-90JU-T is typically sold in reels or tubes, with each reel or tube containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Operating Voltage: 2.7V to 5.5V
• Access Time: 90 nanoseconds
• Organization: 512K x 8 bits
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 10 years minimum

Detailed Pin Configuration

The AT27LV040A-90JU-T has a total of 32 pins. Here is the detailed pin configuration:

1. A16
2. A14
3. A12
4. A7
5. A6
6. A5
7. A4
8. A3
9. A2
10. A1
11. A0
12. VSS (Ground)
13. OE (Output Enable)
14. CE (Chip Enable)
15. WE (Write Enable)
16. I/O0
17. I/O1
18. I/O2
19. I/O3
20. I/O4
21. I/O5
22. I/O6
23. I/O7
24. NC (No Connection)
25. VCC (Power Supply)
26. A15
27. A13
28. A11
29. A10
30. A9
31. A8
32. WP (Write Protect)

Functional Features

• High-speed access: The AT27LV040A-90JU-T offers fast access times, allowing for efficient retrieval of stored data.
• Low power consumption: This IC is designed to minimize power usage, making it suitable for battery-powered devices.
• Wide operating voltage range: It can operate within a wide voltage range, providing flexibility in various applications.
• Reliable and durable: The AT27LV040A-90JU-T is built to withstand harsh environmental conditions and has a long data retention period.

Advantages and Disadvantages

Advantages: - Non-volatile memory ensures data retention even during power loss. - High-speed access allows for quick retrieval of information. - Low power consumption prolongs battery life in portable devices. - Wide operating voltage range provides versatility in different systems. - Reliable and durable construction ensures long-term performance.

Disadvantages: - Limited storage capacity compared to other memory technologies. - Inability to modify or erase stored data once programmed.

Working Principles

The AT27LV040A-90JU-T utilizes a technology called electrically programmable read-only memory (EPROM). It stores data by permanently altering the state of memory cells through a process called programming. Once programmed, the data remains intact even when power is removed from the system.

Detailed Application Field Plans

The AT27LV040A-90JU-T finds applications in various fields, including: 1. Embedded systems 2. Automotive electronics 3. Industrial control systems 4. Consumer electronics 5. Medical devices

In embedded systems, it can be used for firmware storage, configuration data, or encryption keys. In automotive electronics, it may store critical information like calibration data or vehicle-specific settings. Industrial control systems can utilize it for storing program code or parameter settings. In consumer electronics, it can be employed for firmware updates or device configuration. Medical devices may use it to store patient-specific data or software algorithms.

Detailed and Complete Alternative Models

Some alternative models to the AT27LV040A-90JU-T include: 1. AT27C040-90PU: Similar specifications with a different package type (DIP) 2. AT28C64B-15SU: Lower capacity but faster access