AT28HC64B-90TI

Product Overview

Category

AT28HC64B-90TI 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
• Electrically erasable and programmable
• Reliable and durable

Package

AT28HC64B-90TI is available in a compact Thin Small Outline Package (TSOP), which ensures easy integration into electronic circuits.

Essence

The essence of AT28HC64B-90TI lies in its ability to provide reliable and non-volatile data storage with high-speed operation and low power consumption.

Packaging/Quantity

This product is typically packaged in reels or tubes, containing a specific quantity of chips per package. The exact packaging and quantity may vary depending on the manufacturer's specifications.

Specifications

• Part Number: AT28HC64B-90TI
• Memory Size: 64 kilobits (8 kilobytes)
• Operating Voltage: 2.7V - 5.5V
• Access Time: 90 nanoseconds
• Interface: Serial Peripheral Interface (SPI)
• Data Retention: 10 years
• Endurance: 100,000 write cycles

Detailed Pin Configuration

The AT28HC64B-90TI chip has a total of 28 pins, each serving a specific function. The pin configuration is as follows:

1. Chip Enable (CE)
2. Output Enable (OE)
3. Write Enable (WE)
4. Address Inputs (A0-A12)
5. Data Inputs/Outputs (DQ0-DQ7)
6. Supply Voltage (VCC)
7. Ground (GND)

Functional Features

• High-speed data transfer
• Low power consumption during read and write operations
• Easy integration with microcontrollers and other electronic devices
• Reliable and durable non-volatile memory storage
• Compatibility with various operating voltages

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data transfer.
• Low power consumption helps conserve energy in electronic devices.
• Non-volatile memory ensures data retention even when power is lost.
• Electrically erasable and programmable, allowing for easy updates and modifications.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively higher cost per kilobit compared to larger memory chips.
• Limited endurance with a maximum of 100,000 write cycles.

Working Principles

AT28HC64B-90TI utilizes EEPROM technology, which allows for electrically erasing and programming data. The chip stores data in a grid of memory cells, each containing a floating gate transistor. When data needs to be written or erased, the charge on the floating gate is modified using electrical signals. This enables the chip to retain data even when power is removed.

Detailed Application Field Plans

AT28HC64B-90TI finds applications in various fields, including: 1. Microcontroller-based systems 2. Embedded systems 3. Industrial automation 4. Automotive electronics 5. Consumer electronics

In microcontroller-based systems, this chip can be used for storing program code, configuration settings, and other critical data. In embedded systems, it provides non-volatile memory for data logging and firmware storage. In industrial automation and automotive electronics, it offers reliable storage for sensor data and system parameters. In consumer electronics, it can be utilized for firmware updates and user data storage.

Detailed and Complete Alternative Models

1. AT28C64B-15PU: 64 kilobit EEPROM with a 150 nanosecond access time.
2. AT28HC256-90TI: 256 kilobit EEPROM with a 90 nanosecond access time.
3. AT28HC16B-90TI: 16 kilobit EEPROM with a 90 nanosecond access time.

These alternative models provide different storage capacities and access times, allowing users to choose the most suitable option for their specific requirements.

In conclusion, AT28HC64B-90TI is a high-speed, low-power EEPROM chip that offers reliable non-volatile data storage. With its compact package and versatile applications, it serves as an essential component in various electronic devices across multiple industries.