AT28C256F-15PI

Product Overview

Category

AT28C256F-15PI belongs to the category of non-volatile memory devices.

Use

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

Characteristics

• Non-volatile: The stored data is retained even when power is removed.
• High capacity: The AT28C256F-15PI has a storage capacity of 256 kilobits (32 kilobytes).
• Fast access time: It operates with a maximum access time of 150 nanoseconds.
• Low power consumption: It requires minimal power during operation.
• Durable: The device can withstand multiple read and write cycles without degradation.

Package

The AT28C256F-15PI is available in a 28-pin plastic dual in-line package (PDIP).

Essence

The essence of AT28C256F-15PI lies in its ability to provide reliable and non-volatile storage for electronic systems.

Packaging/Quantity

The device is typically packaged in tubes or trays, with quantities varying based on customer requirements.

Specifications

• Storage Capacity: 256 kilobits (32 kilobytes)
• Access Time: 150 nanoseconds
• Supply Voltage: 4.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 10 years
• Endurance: 10,000 write cycles

Detailed Pin Configuration

The AT28C256F-15PI has a total of 28 pins, each serving a specific function. Here is a detailed pin configuration:

1. A0-A14: Address Inputs
2. CE: Chip Enable
3. OE: Output Enable
4. WE: Write Enable
5. VCC: Power Supply
6. GND: Ground
7. I/O0-I/O7: Data Input/Output

Functional Features

• Random Access: The device allows random access to any location within its memory space.
• Byte-Wide Operations: It supports byte-level read and write operations.
• Hardware Data Protection: A write enable signal prevents accidental data modification.
• Low Power Consumption: The AT28C256F-15PI operates with low power requirements, making it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data retention even during power loss.
• High storage capacity for a wide range of applications.
• Fast access time enables quick retrieval of data.
• Durable design allows for multiple read and write cycles.

Disadvantages

• Limited storage capacity compared to newer memory technologies.
• Relatively slower access time compared to modern memory devices.

Working Principles

The AT28C256F-15PI utilizes electrically erasable programmable read-only memory (EEPROM) technology. It stores data by trapping electrical charges in floating gate transistors. When reading data, the stored charge is detected, and when writing data, the charge is either added or removed from the floating gate.

Detailed Application Field Plans

The AT28C256F-15PI finds application in various electronic systems, including but not limited to: - Embedded systems - Microcontrollers - Industrial automation - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

There are several alternative models available that offer similar functionality to the AT28C256F-15PI. Some notable alternatives include: - AT28C256-15PU - AT28C256-20PC - AT28C256-25PI - AT28C256-30DM/883

These alternative models provide different specifications and packaging options to suit specific application requirements.

In conclusion, the AT28C256F-15PI is a non-volatile memory device with a high storage capacity and fast access time. It offers reliable data storage for various electronic systems and finds application in diverse fields. While it has certain limitations, alternative models are available to cater to specific needs.