AT28HC256F-12JC

Product Overview

Category

AT28HC256F-12JC belongs to the category of high-speed, low-power Electrically Erasable Programmable Read-Only Memory (EEPROM) chips.

Use

This product is primarily used for non-volatile data storage in various electronic devices such as microcontrollers, computers, and consumer electronics.

Characteristics

• High-speed operation
• Low power consumption
• Non-volatile memory
• Large storage capacity
• Reliable data retention
• Easy to interface with other electronic components

Package

AT28HC256F-12JC is available in a 32-pin plastic J-lead chip carrier package.

Essence

The essence of AT28HC256F-12JC lies in its ability to provide reliable and high-speed non-volatile data storage in electronic devices.

Packaging/Quantity

AT28HC256F-12JC is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Operating Voltage: 2.7V to 5.5V
• Access Time: 120ns
• Organization: 32K x 8 bits
• Endurance: 100,000 write cycles
• Data Retention: 10 years
• Interface: SPI (Serial Peripheral Interface)

Detailed Pin Configuration

1. Chip Enable (CE)
2. Output Enable (OE)
3. Write Enable (WE)
4. Address Inputs (A0-A14)
5. Data Inputs/Outputs (DQ0-DQ7)
6. Supply Voltage (VCC)
7. Ground (GND)

(Note: The remaining pins are not listed here for brevity.)

Functional Features

• Byte-wise and page-wise write operations
• Sector erase capability
• Software and hardware protection mechanisms
• Fast data transfer rate
• Low power consumption in standby mode

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data access.
• Low power consumption helps to prolong battery life in portable devices.
• Non-volatile memory ensures data retention even when power is lost.
• Large storage capacity accommodates a wide range of applications.
• Easy integration with other electronic components simplifies system design.

Disadvantages

• Relatively higher cost compared to other types of memory.
• Limited endurance may require careful management of write cycles.
• Limited compatibility with certain microcontrollers or systems.

Working Principles

AT28HC256F-12JC utilizes EEPROM technology, which allows for electrically erasing and reprogramming of data. It stores information by trapping electrical charges within floating gate transistors. The stored charge determines the logic state of each memory cell, representing either a "0" or a "1". The data can be read, written, and erased electronically, making it non-volatile and rewritable.

Detailed Application Field Plans

AT28HC256F-12JC finds applications in various fields, including: - Embedded systems - Automotive electronics - Industrial control systems - Medical devices - Communication equipment

In embedded systems, it can be used for firmware storage, configuration data, and parameter settings. In automotive electronics, it can store critical information such as engine control parameters and vehicle diagnostics. Industrial control systems can utilize it for program storage and data logging. Medical devices can benefit from its non-volatile storage capabilities for patient data and device settings. Communication equipment can use it for storing network configurations and firmware updates.

Detailed and Complete Alternative Models

Some alternative models to AT28HC256F-12JC include: - AT28C256-15PU - AT28BV256-20TU - AT28HC256E-90TI - AT28HC256E-90JU

These models offer similar functionality and characteristics, but may differ in terms of operating voltage, access time, or package type. It is important to select the appropriate alternative model based on specific requirements and compatibility with the target system.

(Note: The list of alternative models provided here is not exhaustive.)

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