AT49F040A-70PI

Product Overview

Category

AT49F040A-70PI belongs to the category of non-volatile memory devices.

Use

It is primarily used for storing and retrieving data in electronic systems.

Characteristics

• Non-volatile: Retains data even when power is turned off.
• High storage capacity: Can store up to 4 megabits (512 kilobytes) of data.
• Fast access time: Provides quick read and write operations.
• Low power consumption: Consumes minimal power during operation.
• Durable: Designed to withstand harsh environmental conditions.

Package

AT49F040A-70PI comes in a plastic integrated circuit package.

Essence

The essence of this product lies in its ability to provide reliable and high-capacity data storage in electronic devices.

Packaging/Quantity

AT49F040A-70PI is typically packaged in reels or tubes, with each containing a specific quantity of devices. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

• Operating voltage: 5V
• Access time: 70 nanoseconds
• Organization: 512K x 8 bits
• Erase/write cycles: 10,000 minimum
• Data retention: 20 years minimum
• Interface: Parallel

Detailed Pin Configuration

1. VCC - Power supply
2. A0-A18 - Address inputs
3. CE - Chip enable
4. OE - Output enable
5. WE - Write enable
6. I/O0-I/O7 - Data input/output
7. RESET - Reset pin
8. RP - Ready/Busy output
9. BYTE - Byte/word organization selection
10. NC - No connection
11. GND - Ground

(Note: This is a simplified representation of the pin configuration. Please refer to the datasheet for the complete and accurate pinout information.)

Functional Features

• Random access: Allows direct access to any memory location.
• Byte/word organization: Can be configured to operate in either byte or word mode.
• Hardware data protection: Provides write protection to prevent accidental data modification.
• Ready/Busy output: Indicates the status of the device during read and write operations.

Advantages and Disadvantages

Advantages

• High storage capacity
• Fast access time
• Low power consumption
• Durable design
• Reliable data retention

Disadvantages

• Limited erase/write cycles
• Requires external control signals for proper operation

Working Principles

AT49F040A-70PI utilizes flash memory technology to store and retrieve data. It employs a combination of floating gate transistors and charge trapping mechanisms to achieve non-volatile data storage. The device operates by applying specific control signals to enable read, write, and erase operations.

Detailed Application Field Plans

AT49F040A-70PI finds applications in various electronic systems, including but not limited to: - Embedded systems - Consumer electronics - Automotive electronics - Industrial control systems

Its high storage capacity and fast access time make it suitable for storing firmware, configuration data, and other critical information in these systems.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to AT49F040A-70PI include: - AT49BV040B - AM29F040B - SST39SF040

These models have comparable specifications and can be considered as alternatives based on specific requirements and availability.

(Note: This is not an exhaustive list of alternative models. Please refer to the manufacturer's documentation for a comprehensive list of alternatives.)

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