AT27C040-12JC

Product Overview

Category: Integrated Circuit (IC)

Use: The AT27C040-12JC is a high-performance, low-power, 4-megabit (512K x 8) electrically erasable programmable read-only memory (EEPROM). It is designed for use in various electronic devices that require non-volatile memory storage.

Characteristics: - High performance - Low power consumption - Large storage capacity - Electrically erasable and programmable - Reliable data retention

Package: The AT27C040-12JC 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 AT27C040-12JC is its ability to store and retain data even when power is removed. This makes it ideal for applications where non-volatile memory is required.

Packaging/Quantity: The AT27C040-12JC is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier.

Specifications

• Memory Size: 4 Megabits (512K x 8)
• Access Time: 120 ns
• Supply Voltage: 5V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 10 years
• Programming Method: Electrically Erasable Programmable Read-Only Memory (EEPROM)

Detailed Pin Configuration

The AT27C040-12JC has a total of 32 pins. Here is the detailed 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. GND
25. NC
26. NC
27. NC
28. NC
29. NC
30. NC
31. NC
32. VCC

Functional Features

• High-speed access: The AT27C040-12JC offers fast access times, allowing for efficient data retrieval.
• Low power consumption: This IC is designed to minimize power consumption, making it suitable for battery-powered devices.
• Easy programming: The electrically erasable programmable memory allows for easy and convenient programming of data.
• Reliable data retention: The AT27C040-12JC ensures long-term data retention, providing reliable storage for critical information.

Advantages and Disadvantages

Advantages: - Large storage capacity - Fast access times - Low power consumption - Easy programming - Reliable data retention

Disadvantages: - Limited rewrite cycles: EEPROMs have a limited number of erase/write cycles before they may become unreliable. - Higher cost compared to other types of memory: EEPROMs are generally more expensive than other memory options.

Working Principles

The AT27C040-12JC operates based on the principles of electrically erasable programmable read-only memory (EEPROM). It uses electrical signals to program and erase data stored in its memory cells. When data needs to be written or erased, specific voltage levels are applied to the appropriate pins, enabling the modification of stored information.

Detailed Application Field Plans

The AT27C040-12JC 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 memory capability makes it suitable for storing firmware, configuration data, and other critical information in these applications.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the AT27C040-12JC include: - AT28C64B-15PU: 64 Kilobit (8K x 8) EEPROM with a 150 ns access time. - AT29C010A-90JU: 1 Megabit (128K x 8) EEPROM with a 90 ns access time. - AT49BV1614T-90CI: 16 Megabit (2M x 8) Flash memory with a 90 ns access time.

These alternative models provide different storage capacities and access times, allowing users to choose the most suitable option for their specific requirements.

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