AT28HC64B-90TA

Product Overview

Category

The AT28HC64B-90TA belongs to the category of non-volatile memory devices.

Use

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

Characteristics

• Non-volatile: Retains data even when power is turned off
• High capacity: 64 kilobits (8 kilobytes)
• High speed: Operates at 90 nanosecond access time
• Low power consumption
• Durable and reliable

Package

The AT28HC64B-90TA is typically available in a 28-pin dual in-line package (DIP).

Essence

The essence of this product lies in its ability to provide non-volatile storage with high capacity and fast access times.

Packaging/Quantity

It is commonly packaged in tubes or trays and is available in various quantities depending on the manufacturer's specifications.

Specifications

• Capacity: 64 kilobits (8 kilobytes)
• Access Time: 90 nanoseconds
• Operating Voltage: 5V
• Package Type: 28-pin DIP
• Operating Temperature Range: -40°C to 85°C
• Data Retention: Minimum of 10 years

Detailed Pin Configuration

The detailed pin configuration of the AT28HC64B-90TA includes 28 pins, each serving specific functions related to address lines, data input/output, control signals, and power supply.

Functional Features

The AT28HC64B-90TA offers the following functional features: - Random access for reading and writing data - Low power consumption in standby mode - High-speed operation for efficient data transfer - Compatibility with various microcontrollers and interface circuits

Advantages and Disadvantages

Advantages

• Non-volatile nature ensures data retention without power
• High capacity and fast access time
• Low power consumption
• Wide operating temperature range

Disadvantages

• Limited rewrite cycles compared to other types of memory
• Relatively larger physical size compared to newer memory technologies

Working Principles

The AT28HC64B-90TA operates based on the principles of electrically erasable programmable read-only memory (EEPROM). It stores data using floating gate transistors, which can be electrically programmed and erased.

Detailed Application Field Plans

The AT28HC64B-90TA finds applications in various fields such as: - Embedded systems - Industrial control systems - Automotive electronics - Consumer electronics - Communication equipment

Detailed and Complete Alternative Models

Some alternative models to the AT28HC64B-90TA include: - AT28C64B-15PU: Similar capacity but operates at a slower speed - 24LC64: I2C-compatible EEPROM with similar capacity and non-volatile characteristics - W27C512: Larger capacity EPROM with similar pin configuration

In conclusion, the AT28HC64B-90TA is a versatile non-volatile memory device with high capacity, fast access times, and low power consumption. Its applications span across various industries, making it a crucial component in electronic systems.

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