AT27BV020-90JC

Product Overview

Category: Integrated Circuit (IC)

Use: The AT27BV020-90JC is a high-performance, low-power CMOS 2-megabit (256K x 8) EPROM (Electrically Programmable Read-Only Memory) organized as 256K words by 8 bits. It is designed for use in various electronic devices and systems that require non-volatile memory storage.

Characteristics: - High-performance CMOS technology - Low power consumption - Fast access time - Non-volatile memory - Reliable data retention - Easy to program and erase

Package: The AT27BV020-90JC is available in a 32-pin PLCC (Plastic Leaded Chip Carrier) package. This package provides good protection for the integrated circuit and allows for easy installation on printed circuit boards.

Essence: The essence of the AT27BV020-90JC is its ability to store and retain data even when power is removed. This makes it ideal for applications where permanent or semi-permanent data storage is required.

Packaging/Quantity: The AT27BV020-90JC is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier and customer requirements.

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
• Programming Voltage: 12V
• Erase Voltage: 12V
• Data Retention: 10 years

Pin Configuration

The AT27BV020-90JC has a total of 32 pins. The pin configuration is as follows:

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. 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. A15
28. A13
29. A11
30. A10
31. A9
32. A8

Functional Features

The AT27BV020-90JC offers the following functional features:

• High-speed access: The low access time of 90 nanoseconds allows for fast read and write operations.
• Easy programming and erasing: The integrated circuit can be easily programmed and erased using standard EPROM programming equipment.
• Non-volatile storage: The data stored in the memory remains intact even when power is removed, ensuring reliable data retention.
• Low power consumption: The CMOS technology used in the AT27BV020-90JC results in low power consumption, making it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages: - High-performance CMOS technology ensures fast access time. - Easy to program and erase. - Reliable data retention. - Low power consumption.

Disadvantages: - Limited storage capacity (2 megabits). - Requires external programming equipment for initial programming.

Working Principles

The AT27BV020-90JC utilizes a combination of CMOS technology and EPROM architecture to achieve its functionality. The memory cells within the integrated circuit consist of floating-gate transistors that can be electrically programmed and erased. When a specific voltage is applied to the control pins, data can be written or read from the memory cells.

Detailed Application Field Plans

The AT27BV020-90JC can be used in various applications, including but not limited to: - Embedded systems - Consumer electronics - Automotive electronics - Industrial control systems - Communication devices

Its non-volatile nature and reliable data retention make it suitable for applications where permanent or semi-permanent storage of data is required.

Detailed and Complete Alternative Models

Some alternative models to the AT27BV020-90JC include: - AT27C010-90JC - AT27LV010A-90JC - AT28C010E-90JC - AT29C010A-90JC

These alternative models offer similar functionality and characteristics, but may differ in terms of memory size, access time, or package type. It is important to select the appropriate alternative model based on the specific requirements of the application.

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