AT28HC64B-90JI

Product Overview

Category

AT28HC64B-90JI belongs to the category of non-volatile memory integrated circuits.

Use

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

Characteristics

• Non-volatile: The stored data is retained even when power is removed.
• High capacity: The AT28HC64B-90JI has a storage capacity of 64 kilobits.
• Fast access time: It operates at a speed of 90 nanoseconds.
• Low power consumption: It is designed to minimize power usage.
• Reliable: The integrated circuit is built with high-quality materials and undergoes rigorous testing.

Package

The AT28HC64B-90JI is available in a JEDEC-standard 32-lead PLCC package.

Essence

This product is an essential component for many electronic devices, enabling them to store and retrieve data reliably.

Packaging/Quantity

The AT28HC64B-90JI is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Storage Capacity: 64 kilobits (8 kilobytes)
• Access Time: 90 nanoseconds
• Operating Voltage: 2.7V - 5.5V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 10 years minimum
• Endurance: 1,000,000 write cycles

Detailed Pin Configuration

The AT28HC64B-90JI has a total of 32 pins, each serving a specific function. Here is a detailed pin configuration:

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

Functional Features

• Random Access: Allows for direct access to any memory location.
• Byte-Wide Operation: Data can be read or written in 8-bit increments.
• High-Speed Performance: The 90 nanosecond access time ensures fast data retrieval.
• Low Power Consumption: Designed to minimize power usage, making it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• High storage capacity for a wide range of applications.
• Fast access time allows for quick data retrieval.
• Low power consumption prolongs battery life in portable devices.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively slower access time compared to some modern memory devices.
• Sensitive to environmental conditions such as temperature and humidity.

Working Principles

The AT28HC64B-90JI utilizes electrically erasable programmable read-only memory (EEPROM) technology. It stores data by trapping electrical charges within floating gate transistors. These charges represent the binary values of the stored information. To read or write data, specific voltage levels are applied to the appropriate pins, enabling the manipulation of the trapped charges.

Detailed Application Field Plans

The AT28HC64B-90JI finds application in various electronic systems, including but not limited to: - Embedded systems - Consumer electronics - Automotive electronics - Industrial control systems - Communication devices

Detailed and Complete Alternative Models

1. AT28C64B-15PU: Similar specifications with a lower access time of 150 nanoseconds.
2. AT28HC256-12PC: Higher storage capacity of 256 kilobits with a slightly slower access time of 120 nanoseconds.
3. AT28BV16-20SI: Lower storage capacity of 16 kilobits with a faster access time of 20 nanoseconds.

These alternative models offer different combinations of storage capacity, access time, and other features to cater to specific application requirements.

In conclusion, the AT28HC64B-90JI is a non-volatile memory integrated circuit that provides reliable data storage and retrieval capabilities. With its high capacity, fast access time, and low power consumption, it is suitable for various electronic applications. Alternative models offer different specifications to meet diverse needs in the field of digital memory technology.