AT27BV256-15JC

Product Overview

Category: Integrated Circuit (IC)

Use: The AT27BV256-15JC is a high-performance, low-power CMOS 256K (32K x 8) EPROM (Electrically Programmable Read-Only Memory) IC. It is designed for use in various electronic devices that require non-volatile memory storage.

Characteristics: - High performance and reliability - Low power consumption - Large storage capacity of 256K bits - Electrically programmable and erasable - Durable and long-lasting

Package: The AT27BV256-15JC 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 AT27BV256-15JC lies in its ability to store data reliably and securely in a non-volatile manner. It allows for easy programming and erasing of data, making it suitable for applications where frequent updates are required.

Packaging/Quantity: The AT27BV256-15JC is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier and customer requirements.

Specifications

• Memory Capacity: 256K bits (32K x 8)
• Access Time: 150 ns
• Supply Voltage: 5V ±10%
• Operating Temperature Range: -40°C to +85°C
• Programming Voltage: 12.75V to 13.25V
• Erase Voltage: 12.75V to 13.25V
• Package Type: 32-pin PLCC

Detailed Pin Configuration

The AT27BV256-15JC 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. A15
14. A13
15. A8
16. A9
17. A11
18. A10
19. OE#
20. CE#
21. WE#
22. I/O0
23. I/O1
24. I/O2
25. I/O3
26. I/O4
27. I/O5
28. I/O6
29. I/O7
30. GND
31. NC
32. VCC

Functional Features

• High-speed access and operation
• Low power consumption during standby mode
• Easy programming and erasing of data
• Reliable and durable memory storage
• Compatibility with various electronic devices and systems

Advantages and Disadvantages

Advantages: - High performance and reliability - Large storage capacity - Low power consumption - Easy to program and erase - Durable and long-lasting

Disadvantages: - Limited rewrite cycles (typically around 100,000) - Requires external programming equipment for initial setup - Relatively higher cost compared to other memory technologies

Working Principles

The AT27BV256-15JC utilizes a CMOS technology-based EPROM architecture. It stores data by trapping electric charges in a floating gate within the memory cells. The presence or absence of these charges determines the binary state of each memory cell, allowing for the storage of digital information.

During programming, a high voltage is applied to the control gates of the memory cells, which allows the charges to be trapped or released. Erasing is achieved by exposing the memory cells to ultraviolet light, which removes the trapped charges and resets the memory cells to an erased state.

Detailed Application Field Plans

The AT27BV256-15JC is widely used in various electronic devices and systems that require non-volatile memory storage. Some common application fields include:

1. Embedded Systems: The IC is used in microcontrollers, industrial control systems, and other embedded applications where reliable and secure data storage is essential.
2. Communication Devices: It finds application in routers, modems, and network switches for storing configuration data and firmware updates.
3. Automotive Electronics: The IC is utilized in automotive systems such as engine control units (ECUs), infotainment systems, and instrument clusters for storing critical data and software.
4. Consumer Electronics: It is employed in devices like set-top boxes, gaming consoles, and digital cameras for storing firmware, settings, and user data.

Detailed and Complete Alternative Models

1. AT28C256-15PU: This IC offers similar specifications and functionality but comes in a 28-pin DIP (Dual Inline Package) package.
2. AT29C256-12PC: