AT27C040-90RI

Product Overview

Category: Integrated Circuit (IC)

Use: The AT27C040-90RI 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 where non-volatile storage of data or program code is required.

Characteristics: - High performance with fast access times - Low power consumption - Non-volatile storage - Electrically erasable and reprogrammable - Durable and reliable

Package: The AT27C040-90RI is available in a 32-pin plastic dual in-line package (PDIP), which provides easy integration into circuit boards.

Essence: This IC serves as a reliable and efficient solution for storing critical data or program code in electronic devices. Its non-volatile nature ensures that the stored information remains intact even when power is disconnected.

Packaging/Quantity: The AT27C040-90RI is typically packaged in tubes or trays, with each tube or tray containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Memory Size: 4 Megabits (512 Kilobytes)
• Organization: 512K x 8 bits
• Access Time: 90 nanoseconds
• Supply Voltage: 5V ±10%
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 20 years
• Endurance: 10,000 erase/write cycles

Pin Configuration

The AT27C040-90RI features a 32-pin configuration. The following table provides a detailed pin description:

| Pin Number | Pin Name | Function | |------------|----------|----------| | 1 | A0 | Address Input | | 2 | A1 | Address Input | | 3 | A2 | Address Input | | ... | ... | ... | | 30 | VCC | Power Supply (5V) | | 31 | OE# | Output Enable | | 32 | CE# | Chip Enable |

Note: The table above provides only a partial pin configuration. Please refer to the datasheet for the complete pin description.

Functional Features

• High-speed access: The AT27C040-90RI offers fast access times, allowing for efficient retrieval of stored data or program code.
• Low power consumption: This IC is designed to minimize power consumption, making it suitable for battery-powered devices.
• Electrically erasable and reprogrammable: The EEPROM technology used in this IC enables easy modification of stored data or program code without requiring physical removal or replacement of the chip.
• Durable and reliable: The AT27C040-90RI is built to withstand harsh operating conditions and offers long-term data retention.

Advantages and Disadvantages

Advantages: - Fast access times - Low power consumption - Non-volatile storage - Easy reprogrammability - Durable and reliable

Disadvantages: - Limited storage capacity compared to other memory technologies - Relatively higher cost per bit compared to some alternatives

Working Principles

The AT27C040-90RI utilizes electrically erasable programmable read-only memory (EEPROM) technology. It stores data or program code by trapping electrical charges within specific memory cells. These charges can be selectively erased or programmed using electrical signals, allowing for flexible and non-volatile storage.

Detailed Application Field Plans

The AT27C040-90RI finds applications in various electronic devices that require non-volatile storage of data or program code. Some common application fields include: - Embedded systems - Consumer electronics - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

1. AT27C080-90RI: 8-megabit (1 Megabyte) EEPROM with similar characteristics and pin configuration.
2. AT28C256-15PU: 256-kilobit (32 Kilobytes) EEPROM with lower capacity but faster access times.
3. AT29C010A-12PC: 1-megabit (128 Kilobytes) EEPROM with higher capacity and similar characteristics.

Note: The above alternative models are provided as examples. Please refer to the manufacturer's documentation for a comprehensive list of alternative models.

In conclusion, the AT27C040-90RI is a high-performance EEPROM IC that offers fast access times, low power consumption, and reliable non-volatile storage. It finds applications in various electronic devices and serves as a dependable solution for data or program code storage.