AT49F1025-70JI

Product Overview

Category

AT49F1025-70JI belongs to the category of non-volatile memory devices.

Use

It is primarily used for storing and retrieving data in electronic systems.

Characteristics

• Non-volatile: The stored data remains intact even when power is removed.
• High capacity: The AT49F1025-70JI has a storage capacity of 1,048,576 bits (128 kilobytes).
• Fast access time: It offers a fast access time of 70 nanoseconds.
• Low power consumption: The device operates on low power, making it suitable for battery-powered applications.

Package

The AT49F1025-70JI comes in a JEDEC-standard 32-pin PLCC package.

Essence

The essence of AT49F1025-70JI lies in its ability to provide reliable and high-capacity non-volatile memory storage for various electronic systems.

Packaging/Quantity

The device is typically packaged in reels or tubes, with a quantity of 50 units per reel/tube.

Specifications

• Memory Type: Flash EEPROM
• Organization: 128K x 8 bits
• Supply Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Access Time: 70 ns
• Erase/Program Cycle Endurance: 10,000 cycles

Detailed Pin Configuration

The AT49F1025-70JI has a total of 32 pins, which are assigned specific functions as follows:

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

Functional Features

• Block Erase: The AT49F1025-70JI supports block erase operations, allowing for efficient erasure of specific memory blocks.
• Byte/Word Programming: It enables programming of individual bytes or words, providing flexibility in data storage and modification.
• Hardware Data Protection: The device features a hardware protection mechanism to prevent accidental writes or erasures.
• Automatic Program/Erase Algorithm: The AT49F1025-70JI incorporates an automatic algorithm that simplifies the programming and erasing process.

Advantages and Disadvantages

Advantages

• High capacity storage
• Fast access time
• Low power consumption
• Reliable non-volatile memory
• Flexible byte/word programming

Disadvantages

• Limited erase/program cycle endurance
• Relatively higher cost compared to other memory technologies

Working Principles

The AT49F1025-70JI utilizes a floating gate transistor structure to store data. It employs a combination of electrical charges to represent binary values (0s and 1s). The stored charge determines the logic state of each memory cell, allowing for data retention even when power is removed.

Detailed Application Field Plans

The AT49F1025-70JI finds applications in various electronic systems, including but not limited to: - Embedded systems - Consumer electronics - Automotive electronics - Industrial control systems - Communication devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the AT49F1025-70JI include: - AT49BV1024B-70TU: 1Mb Flash EEPROM, 70 ns access time, TSOP package. - AM29F010B-70JC: 1Mb Flash Memory, 70 ns access time, PLCC package. - W27C512-45Z: 512Kb EEPROM, 45 ns access time,