AT49LV002T-70JI

Product Overview

Category

AT49LV002T-70JI belongs to the category of non-volatile memory devices.

Use

This product is primarily used for data storage in various electronic devices such as computers, mobile phones, and consumer electronics.

Characteristics

• Non-volatile: The AT49LV002T-70JI retains stored data even when power is removed.
• High capacity: This device has a storage capacity of 2 megabits (256 kilobytes).
• Fast access time: It offers a fast access time of 70 nanoseconds.
• Low power consumption: The AT49LV002T-70JI operates on low power, making it suitable for battery-powered devices.

Package

The AT49LV002T-70JI is available in a 32-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence

The essence of this product lies in its ability to provide reliable and non-volatile storage for electronic devices, ensuring data integrity even during power loss or system shutdown.

Packaging/Quantity

The AT49LV002T-70JI is typically packaged in reels or tubes, with a quantity of 1000 units per package.

Specifications

• Memory Type: Flash EEPROM
• Organization: 256K x 8 bits
• Supply Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Access Time: 70 ns
• Erase/Program Suspend: Yes
• Data Retention: 20 years

Detailed Pin Configuration

The AT49LV002T-70JI has a total of 32 pins. Here is the 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. VCC
13. OE#
14. CE#
15. WE#
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
25. GND
26. RP#
27. BYTE#
28. RESET#
29. WP#
30. A8
31. A9
32. A11

Functional Features

• Erase and Program Operations: The AT49LV002T-70JI supports both sector erase and byte program operations.
• Hardware Data Protection: It features a hardware write protection mechanism to prevent accidental modification of stored data.
• Low Power Consumption: This device operates on low power, making it suitable for battery-powered applications.
• High Reliability: The AT49LV002T-70JI offers high reliability with an extended data retention period of up to 20 years.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data integrity during power loss.
• High storage capacity for various applications.
• Fast access time allows for quick data retrieval.
• Low power consumption extends battery life in portable devices.

Disadvantages

• Limited write endurance compared to other types of memory.
• Higher cost per bit compared to volatile memory technologies.

Working Principles

The AT49LV002T-70JI utilizes flash EEPROM technology to store data. It consists of a grid of memory cells that can be electrically programmed or erased. When data is written, the memory cells are charged or discharged to represent the desired information. During read operations, the stored charge is detected and interpreted as data.

Detailed Application Field Plans

The AT49LV002T-70JI finds applications in various electronic devices, including: 1. Computers and laptops for storing BIOS firmware. 2. Mobile phones and tablets for data storage. 3. Consumer electronics such as digital cameras and MP3 players. 4. Automotive systems for storing configuration data.

Detailed and Complete Alternative Models

1. AT49BV002T-70JI: Similar to AT49LV002T-70JI but with a lower operating voltage range of 2.7V - 3.3V.
2. AT49LV004T-70JI: Double the storage capacity of AT49LV002T-70JI, offering 4 megabits (512 kilobytes) of memory.
3. AT49LV008T-70JI: Provides 8 megabits (1 megabyte) of storage capacity, suitable for applications requiring larger memory space.

In conclusion, the AT49LV002T-70JI is a non-volatile memory device that offers high capacity, fast access time, and low power consumption. It finds applications in various electronic devices and provides reliable data