AT29C020-90JC

Product Overview

Category: Integrated Circuit (IC)

Use: The AT29C020-90JC is a high-performance, low-power CMOS 2-megabit (256K x 8) electrically erasable programmable read-only memory (EEPROM). It is designed for use in various electronic devices that require non-volatile storage.

Characteristics: - High performance - Low power consumption - Electrically erasable and reprogrammable - Non-volatile storage - Large storage capacity (2 megabits) - Compact package size

Package: The AT29C020-90JC 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 AT29C020-90JC is its ability to store data reliably even when power is removed. It offers fast access times and low power consumption, making it suitable for a wide range of applications.

Packaging/Quantity: The AT29C020-90JC is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier.

Specifications

• Memory Size: 2 Megabits (256K x 8)
• Supply Voltage: 4.5V to 5.5V
• Access Time: 90 nanoseconds
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 10 years
• Endurance: 100,000 erase/write cycles

Pin Configuration

The AT29C020-90JC 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. 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. A15
27. A13
28. A8
29. A9
30. A11
31. A10
32. A17

Functional Features

• Electrically erasable and reprogrammable memory
• Fast access times for efficient data retrieval
• Low power consumption for extended battery life
• High endurance for reliable data storage
• Wide operating temperature range for versatile applications

Advantages and Disadvantages

Advantages: - Non-volatile storage ensures data retention even without power - Large storage capacity suitable for various applications - Compact package size allows for easy integration into electronic devices - Low power consumption extends battery life in portable devices

Disadvantages: - Relatively slower access times compared to some other memory technologies - Limited endurance of 100,000 erase/write cycles

Working Principles

The AT29C020-90JC utilizes CMOS technology to store and retrieve data. It employs a combination of electrically erasable and programmable memory cells that can be selectively erased and reprogrammed using specific voltage levels. The memory cells are organized in a matrix structure, allowing efficient access to individual bits of data.

Detailed Application Field Plans

The AT29C020-90JC finds application in various electronic devices that require non-volatile storage, such as: - Microcontrollers - Embedded systems - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the AT29C020-90JC include: - AT28C256-15PU: 256K (32K x 8) EEPROM with a 150 nanosecond access time - AT49BV1614T-90CI: 16 Megabit (2M x 8) Flash memory with a 90 nanosecond access time - SST39SF040-70-4C-NHE: 4 Megabit (512K x 8) Flash memory with a 70 nanosecond access time

These alternative models provide different storage capacities, access times, and package options to suit specific application requirements.

In conclusion, the AT29C020-90JC is a high-performance, low-power CMOS EEPROM that offers reliable non-volatile storage. With its large storage capacity, compact package size, and versatile applications, it serves as an essential component in various electronic devices.