AT28C64X-20PC

Product Overview

Category

AT28C64X-20PC belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

This product is primarily used for non-volatile data storage in electronic devices. It allows for easy and efficient data retrieval even when power is turned off.

Characteristics

• Non-volatile: Retains stored data even without power supply.
• Electrically erasable: Allows for data modification without requiring physical removal.
• Programmable: Can be written and rewritten multiple times.
• High storage capacity: The AT28C64X-20PC has a storage capacity of 64 kilobits (8 kilobytes).

Package

The AT28C64X-20PC comes in a plastic package, which provides protection against environmental factors such as moisture and static electricity.

Essence

The essence of this product lies in its ability to store and retrieve data reliably, making it an essential component in various electronic devices.

Packaging/Quantity

The AT28C64X-20PC is typically packaged in tubes or trays, with each containing a specific quantity of chips. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Operating voltage: 5V
• Access time: 200 nanoseconds
• Organization: 8K x 8 bits
• Interface: Parallel
• Temperature range: -40°C to +85°C
• Endurance: 1,000,000 write cycles
• Data retention: 10 years

Detailed Pin Configuration

The AT28C64X-20PC has a total of 28 pins, each serving a specific purpose. The pin configuration is as follows:

1. A0-A12: Address inputs
2. CE: Chip enable
3. OE: Output enable
4. WE: Write enable
5. I/O0-I/O7: Data input/output
6. VCC: Power supply
7. GND: Ground

Functional Features

• High-speed operation: The AT28C64X-20PC offers fast access times, allowing for efficient data retrieval.
• Low power consumption: This chip is designed to minimize power usage, making it suitable for battery-powered devices.
• Easy integration: The parallel interface simplifies the integration of this product into existing electronic systems.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data retention even during power loss.
• Electrically erasable and programmable, enabling easy data modification.
• High storage capacity meets the requirements of various applications.
• Fast access times allow for quick data retrieval.

Disadvantages

• Limited endurance: The number of write cycles is finite, which may be a limitation in certain applications.
• Parallel interface may require additional circuitry for compatibility with modern systems.

Working Principles

The AT28C64X-20PC utilizes a combination of transistors and capacitors to store and retrieve data. When data is written, electrical charges are stored in specific memory cells, representing binary values. During read operations, these charges are detected and converted back into usable data.

Detailed Application Field Plans

The AT28C64X-20PC finds application in various fields, including but not limited to: 1. Consumer electronics: Used in devices such as digital cameras, smartphones, and gaming consoles for data storage purposes. 2. Automotive industry: Employed in vehicle control units and infotainment systems for storing critical data and firmware. 3. Industrial automation: Utilized in programmable logic controllers (PLCs) and industrial control systems for data storage and configuration.

Detailed and Complete Alternative Models

1. AT28C64B-15PU: Similar to AT28C64X-20PC, but with a lower access time of 150 nanoseconds.
2. AT28C256-15PC: Offers a higher storage capacity of 256 kilobits (32 kilobytes) while maintaining similar characteristics.

These alternative models provide options with varying specifications to cater to different application requirements.

In conclusion, the AT28C64X-20PC is an electrically erasable programmable read-only memory chip that offers non-volatile data storage, high-speed operation, and easy integration. While it has limitations in terms of endurance and interface compatibility, it serves as a reliable solution for data storage in various electronic devices across different industries.