AT29C1024-90JC

Product Overview

Category

The AT29C1024-90JC belongs to the category of non-volatile memory devices.

Use

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

Characteristics

• Non-volatile: The AT29C1024-90JC retains data even when power is removed.
• High capacity: It has a storage capacity of 1,048,576 bits (128 kilobytes).
• Fast access time: The device offers a fast access time of 90 nanoseconds.
• Low power consumption: It operates at low power levels, making it suitable for battery-powered devices.

Package

The AT29C1024-90JC is available in a 32-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence

The essence of the AT29C1024-90JC lies in its ability to provide reliable and non-volatile storage for electronic systems.

Packaging/Quantity

The AT29C1024-90JC is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Organization: 128K x 8 bits
• Supply voltage: 5V
• Access time: 90 ns
• Operating temperature range: -40°C to +85°C
• Erase/write cycles: 10,000 minimum
• Data retention: 20 years

Detailed Pin Configuration

The AT29C1024-90JC features a 32-pin PLCC package with the following 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. VPP
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. VCC
25. GND
26. NC
27. NC
28. NC
29. NC
30. NC
31. NC
32. NC

Functional Features

• Byte-wide operations: The AT29C1024-90JC allows individual byte-level read and write operations.
• Sector erase capability: It supports sector erase operations, enabling efficient memory management.
• Hardware data protection: The device features a hardware protection mechanism to prevent accidental writes.
• Automatic sleep mode: It enters a low-power sleep mode when not in use, conserving energy.

Advantages and Disadvantages

Advantages

• Non-volatile storage: Data is retained even without power, ensuring information integrity.
• High capacity: The AT29C1024-90JC offers ample storage space for various applications.
• Fast access time: Its quick response time enhances system performance.
• Low power consumption: The device operates efficiently, extending battery life in portable devices.

Disadvantages

• Limited erase/write cycles: The AT29C1024-90JC has a finite number of erase/write cycles, requiring careful management.
• Relatively small storage size: For applications requiring larger memory capacities, alternative models may be more suitable.

Working Principles

The AT29C1024-90JC utilizes flash memory technology to store and retrieve digital data. It employs a combination of floating-gate transistors and control circuitry to enable non-volatile storage. When data needs to be written or erased, specific voltage levels are applied to the appropriate pins, modifying the charge on the floating gates and altering the memory state.

Detailed Application Field Plans

The AT29C1024-90JC finds applications in various electronic systems, including but not limited to: - Embedded systems - Microcontrollers - Communication devices - Automotive electronics - Industrial control systems

Its reliable non-volatile storage capability makes it suitable for applications that require data persistence and quick access times.

Detailed and Complete Alternative Models

• AT28C256: 32K x 8 EEPROM (Electrically Erasable Programmable Read-Only Memory)
• AT45DB161E: 16Mbit DataFlash memory
• AT25SF041: 4Mbit Serial Flash memory
• AT24C1024: 1Mbit I2C-compatible EEPROM

These alternative models offer different capacities, interfaces, and features, allowing users to choose the most appropriate option for their specific requirements.

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