AT28C256-15FM/883-815

Product Overview

Category

AT28C256-15FM/883-815 belongs to the category of non-volatile memory devices.

Use

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

Characteristics

• Non-volatile: The stored data remains intact even when power is removed.
• High capacity: The AT28C256-15FM/883-815 has a storage capacity of 256 kilobits.
• Fast access time: It operates at a speed of 150 nanoseconds.
• Low power consumption: The device is designed to minimize power usage.
• Reliable: It offers high endurance and data retention capabilities.

Package

The AT28C256-15FM/883-815 is available in a ceramic package, which provides excellent protection against environmental factors such as moisture and temperature variations.

Essence

The essence of this product lies in its ability to provide reliable and non-volatile storage for electronic systems.

Packaging/Quantity

The AT28C256-15FM/883-815 is typically packaged in trays or tubes, with each package containing a specific quantity of devices. The exact quantity may vary depending on the supplier.

Specifications

• Storage Capacity: 256 kilobits (32 kilobytes)
• Access Time: 150 nanoseconds
• Supply Voltage: 5V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 10 years

Detailed Pin Configuration

The AT28C256-15FM/883-815 has a total of 28 pins. Here is the 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. DQ0-DQ7: Data Input/Output

Functional Features

• Random Access: The AT28C256-15FM/883-815 allows random access to any location within its memory space.
• Byte-Writable: It supports byte-level write operations, enabling efficient data modification.
• Chip Enable Control: The CE pin enables or disables the device, conserving power when not in use.
• Output Enable Control: The OE pin controls the output buffer, allowing data to be read from the device.
• Write Enable Control: The WE pin enables or disables write operations, preventing accidental modifications.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data integrity even during power loss.
• High storage capacity for various applications.
• Fast access time allows for quick retrieval of data.
• Low power consumption prolongs battery life in portable devices.
• Reliable performance with high endurance and data retention capabilities.

Disadvantages

• Limited storage capacity compared to newer memory technologies.
• Relatively slower access time compared to modern memory devices.
• Requires external control signals for proper operation.

Working Principles

The AT28C256-15FM/883-815 is based on Electrically Erasable Programmable Read-Only Memory (EEPROM) technology. It utilizes a grid of floating-gate transistors to store digital information. The stored data can be modified by applying specific voltage levels to the control pins.

Detailed Application Field Plans

The AT28C256-15FM/883-815 finds applications in various electronic systems, including but not limited to: - Embedded systems - Microcontrollers - Industrial automation - Automotive electronics - Communication devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the AT28C256-15FM/883-815 are: - AT28C256-15PU: Plastic package variant - AT28C256-20PC: Higher speed variant (200 nanoseconds) - AT28C256-25DM/883: Military-grade variant with extended temperature range

These alternative models provide options for different package types, operating speeds, and environmental requirements.

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