AT49F040A-70JI

Product Overview

Category

AT49F040A-70JI belongs to the category of Flash Memory ICs.

Use

It is commonly used for storing and retrieving digital information in various electronic devices.

Characteristics

• Non-volatile memory: Retains data even when power is turned off.
• High storage capacity: The AT49F040A-70JI has a capacity of 4 megabits (512 kilobytes).
• Fast access time: Provides quick read and write operations.
• Low power consumption: Optimized for energy efficiency.
• Wide operating voltage range: Can operate within a voltage range of 2.7V to 5.5V.

Package

The AT49F040A-70JI is available in a 32-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence

This flash memory IC enables reliable and efficient data storage in electronic devices.

Packaging/Quantity

The AT49F040A-70JI is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Organization: 512K x 8 bits
• Supply Voltage: 2.7V - 5.5V
• Access Time: 70 nanoseconds
• Erase/Write Cycle Endurance: 10,000 cycles
• Data Retention: 20 years
• Operating Temperature Range: -40°C to +85°C

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. VPP
13. WE#
14. OE#
15. CE#
16. BYTE#
17. NC
18. DQ0
19. DQ1
20. DQ2
21. DQ3
22. DQ4
23. DQ5
24. DQ6
25. DQ7
26. VCC
27. GND
28. RP#
29. RY/BY#
30. RESET#
31. A15
32. A13

Functional Features

• Easy integration: Compatible with various microcontrollers and systems.
• Flexible data storage: Supports both byte and word programming modes.
• Hardware and software protection: Provides security features to prevent unauthorized access.
• Efficient block erasure: Allows for sector or chip-level erasure, enhancing memory management.

Advantages

• High storage capacity enables storing large amounts of data.
• Fast access time ensures quick retrieval of information.
• Low power consumption prolongs battery life in portable devices.
• Wide operating voltage range allows compatibility with different power sources.

Disadvantages

• Limited erase/write cycle endurance may require careful management in applications with frequent data modifications.
• Higher cost compared to other non-volatile memory options like EEPROM.

Working Principles

The AT49F040A-70JI utilizes a floating gate transistor technology to store digital information. It employs a combination of electrical charges to represent binary data (0s and 1s). The stored data can be read, written, and erased using specific control signals.

Detailed Application Field Plans

The AT49F040A-70JI finds applications in various electronic devices, including but not limited to: - Personal computers - Mobile phones - Digital cameras - Set-top boxes - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

1. AT49F040B-90TU: Similar flash memory IC with a higher access time of 90 nanoseconds.
2. AT49F080-70TU: Flash memory IC with double the storage capacity (8 megabits) and a 70 nanosecond access time.
3. AT49F002N-90JC: Flash memory IC with a lower storage capacity (2 megabits) and a 90 nanosecond access time.

These alternative models offer different specifications to cater to specific application requirements.

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