AT27C040-12PI

Product Overview

Category: Integrated Circuit (IC)

Use: The AT27C040-12PI is a 4-megabit (512K x 8) electrically erasable programmable read-only memory (EEPROM) IC. It is commonly used for storing non-volatile data in various electronic devices.

Characteristics: - Non-volatile memory - Electrically erasable and programmable - High storage capacity of 4 megabits - Low power consumption - Fast access time of 120 nanoseconds - Durable and reliable

Package: The AT27C040-12PI is available in a 32-pin plastic dual in-line package (PDIP). This package provides protection to the integrated circuit and facilitates easy installation on printed circuit boards (PCBs).

Essence: The essence of the AT27C040-12PI 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 AT27C040-12PI is typically sold in reels or tubes, with each reel or tube containing a specific quantity of ICs. The exact packaging and 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
• Endurance: 1,000,000 erase/write cycles

Pin Configuration

The AT27C040-12PI has a total of 32 pins. The pin configuration is as follows:

┌───┬───┐ │1 └─ 32│ │ │ │ │ │ │ └───┬───┘ │

Functional Features

• Electrically erasable and programmable memory
• High storage capacity for data retention
• Fast access time for efficient data retrieval
• Low power consumption for energy efficiency
• Durable and reliable design for long-term use

Advantages and Disadvantages

Advantages: - Non-volatile memory ensures data retention even without power - Electrically erasable and programmable, allowing for easy updates - High storage capacity meets the requirements of various applications - Fast access time enables quick data retrieval - Low power consumption reduces energy usage

Disadvantages: - Limited endurance with a maximum of 1,000,000 erase/write cycles - Relatively higher cost compared to other types of memory - Requires careful handling to prevent damage during installation or removal

Working Principles

The AT27C040-12PI utilizes electrically erasable programmable read-only memory (EEPROM) technology. It stores data by trapping electrical charges in floating gate transistors. These charges can be erased and reprogrammed using specific voltage levels applied to the control pins of the IC.

During operation, the stored data is accessed by providing the appropriate address to the IC and reading the corresponding data from the output pins. The IC can also be programmed by applying the necessary voltages to the control pins and providing the desired data inputs.

Detailed Application Field Plans

The AT27C040-12PI finds application in various electronic devices that require non-volatile memory for data storage. Some common application fields include:

1. Consumer Electronics: Used in digital cameras, set-top boxes, and portable media players for storing firmware, configuration settings, and user data.
2. Automotive: Employed in automotive electronics for storing calibration data, firmware, and diagnostic information.
3. Industrial Control Systems: Used in programmable logic controllers (PLCs), industrial automation systems, and instrumentation devices for storing program code and critical data.
4. Communication Systems: Utilized in networking equipment, routers, and switches for storing configuration data and firmware.

Detailed and Complete Alternative Models

1. AT28C64B-15PU: 64 Kilobit (8K x 8) EEPROM IC with a faster access time of 150 nanoseconds.
2. AT29C010A-12PC: 1 Megabit (128K x 8) EEPROM IC with a lower power consumption and extended temperature range.
3. AT25SF041-SSHD-T: 4 Megabit (512K x 8) Serial Flash Memory IC with a smaller package size and higher endurance.

These alternative models offer similar functionality to the AT27C040-12PI but may have different specifications or features that cater to specific application requirements.

In conclusion, the AT27C040-12PI is a versatile EEPROM IC with a high