AT24C256C-SSHL-B

Product Overview

Category

AT24C256C-SSHL-B belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

This product is commonly used for storing and retrieving data in electronic devices. It provides non-volatile memory storage, allowing information to be retained even when power is removed.

Characteristics

• Non-volatile: Data remains intact even without power supply.
• Electrically erasable: Allows for easy modification of stored data.
• Programmable: Data can be written and rewritten multiple times.
• High capacity: The AT24C256C-SSHL-B has a storage capacity of 256 kilobits (32 kilobytes).
• Low power consumption: Operates with low power requirements.
• Small form factor: Packaged in a compact surface-mount package.

Package and Quantity

The AT24C256C-SSHL-B is available in a small outline integrated circuit (SOIC) package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Memory Capacity: 256 kilobits (32 kilobytes)
• Interface: I2C (Inter-Integrated Circuit)
• Operating Voltage: 1.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Cycle Endurance: 1 million cycles
• Data Retention: 100 years

Pin Configuration

The AT24C256C-SSHL-B has 8 pins arranged as follows:

```

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| | | 1 2 3 4 5 | | | | 6 7 8 | |_______________| ```

1. A0: Address Input 0
2. A1: Address Input 1
3. A2: Address Input 2
4. GND: Ground
5. SDA: Serial Data
6. SCL: Serial Clock
7. WP: Write Protect
8. VCC: Power Supply

Functional Features

• Random access: Allows for reading and writing data at any memory location.
• Byte-level operations: Supports individual byte read and write operations.
• Page write mode: Enables faster writing of multiple bytes within a page.
• Hardware write protection: The WP pin can be used to protect the memory from accidental writes.
• Software write protection: Can be enabled through specific commands to prevent unauthorized modifications.

Advantages and Disadvantages

Advantages

• High storage capacity
• Easy to interface with microcontrollers using I2C protocol
• Low power consumption
• Compact form factor
• Reliable data retention

Disadvantages

• Limited write cycle endurance compared to other non-volatile memory technologies
• Slower write speed compared to volatile memory types

Working Principles

The AT24C256C-SSHL-B utilizes electrically erasable programmable read-only memory (EEPROM) technology. It consists of a grid of memory cells that can be individually programmed or erased by applying appropriate voltage levels. The stored data is retained even when power is removed, making it suitable for long-term data storage.

Detailed Application Field Plans

The AT24C256C-SSHL-B finds applications in various electronic devices, including but not limited to: - Consumer electronics - Industrial automation systems - Automotive electronics - Medical devices - Communication equipment

It is commonly used for storing configuration settings, calibration data, user preferences, and other non-volatile information in these devices.

Alternative Models

Several alternative models are available in the market that offer similar functionality to the AT24C256C-SSHL-B. Some notable alternatives include: - AT24C512C-SSHL-B: Offers double the storage capacity (512 kilobits) - AT24C128C-SSHL-B: Provides lower storage capacity (128 kilobits) - AT24C02C-SSHL-B: Suitable for applications requiring smaller memory capacity (2 kilobits)

These alternative models can be chosen based on specific application requirements and desired memory capacity.

In conclusion, the AT24C256C-SSHL-B is a high-capacity EEPROM chip that provides non-volatile memory storage with easy programmability. Its compact form factor, low power consumption, and reliable data retention make it suitable for various electronic devices across different industries.