AT93C56B-XHM-B

Product Overview

Category

AT93C56B-XHM-B belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

This chip is commonly used for non-volatile storage in various electronic devices, such as microcontrollers, automotive systems, and consumer electronics.

Characteristics

• Electrically erasable: The AT93C56B-XHM-B can be erased and reprogrammed electronically, making it convenient for data storage.
• Non-volatile: The stored data remains intact even when power is removed.
• High density: This chip offers a storage capacity of 2 kilobits (256 x 8 bits).
• Low power consumption: It operates on low power supply voltages, making it suitable for battery-powered devices.
• Fast access time: The AT93C56B-XHM-B provides quick access to stored data.

Package

The AT93C56B-XHM-B comes in an 8-pin SOIC (Small Outline Integrated Circuit) package.

Essence

This EEPROM chip allows for reliable and flexible data storage in electronic devices, ensuring that important information is retained even during power cycles or system shutdowns.

Packaging/Quantity

The AT93C56B-XHM-B is typically packaged in reels or tubes, with each reel containing 2500 units.

Specifications

• Memory capacity: 2 kilobits
• Organization: 256 x 8 bits
• Supply voltage range: 2.5V to 5.5V
• Operating temperature range: -40°C to +85°C
• Write cycle endurance: 1 million cycles
• Data retention: 100 years

Detailed Pin Configuration

The AT93C56B-XHM-B has the following pin configuration:

1. Chip Select (/CS)
2. Serial Clock (SCK)
3. Serial Data Input (SI)
4. Serial Data Output (SO)
5. Write Enable (/W)
6. VCC (Power Supply)
7. Ground (GND)
8. Not Connected (NC)

Functional Features

• Sequential read and write operations
• Byte-wise or page-wise write protection
• Software and hardware write protection options
• Self-timed programming cycle
• Fast write cycle time

Advantages and Disadvantages

Advantages

• High-density storage capacity
• Low power consumption
• Reliable data retention
• Flexible programming options
• Compact package size

Disadvantages

• Limited storage capacity compared to other memory technologies
• Slower write speeds compared to some alternatives

Working Principles

The AT93C56B-XHM-B utilizes a floating gate transistor structure to store data. When programming, an electric charge is applied to the floating gate, altering its threshold voltage and allowing for data storage. During reading, the stored charge is detected, enabling retrieval of the stored information.

Detailed Application Field Plans

The AT93C56B-XHM-B finds applications in various fields, including:

1. Microcontrollers: Used for storing firmware, configuration settings, and calibration data.
2. Automotive systems: Employed in electronic control units (ECUs) for storing vehicle-specific data, such as VIN numbers and mileage.
3. Consumer electronics: Utilized in devices like smart TVs, set-top boxes, and gaming consoles for storing user preferences, channel lists, and system configurations.

Detailed and Complete Alternative Models

1. AT93C46B-XHM-B: Similar to AT93C56B-XHM-B but with a lower storage capacity of 1 kilobit.
2. AT93C66B-XHM-B: Similar to AT93C56B-XHM-B but with a higher storage capacity of 4 kilobits.
3. AT25C256-XHM-B: A larger EEPROM chip with a storage capacity of 32 kilobits.

These alternative models offer different storage capacities to suit specific application requirements.

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