CAT24C01BWA

Product Overview

Category

The CAT24C01BWA belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

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

Characteristics

• Non-volatile: The CAT24C01BWA retains stored data even when power is removed.
• Electrically erasable: Data can be erased and reprogrammed electronically.
• Low power consumption: The chip operates on low power, making it suitable for battery-powered devices.
• High reliability: It offers robust data retention and endurance characteristics.
• Small form factor: The chip comes in a compact package, saving space in electronic designs.

Package and Quantity

The CAT24C01BWA is available in a standard 8-pin SOIC (Small Outline Integrated Circuit) package. It is typically sold in reels containing multiple units.

Specifications

• Memory capacity: 1 kilobit (128 bytes)
• 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
• Communication interface: I2C (Inter-Integrated Circuit)

Pin Configuration

The CAT24C01BWA has the following pin configuration:

```

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

Pin Description: 1. A0: Address input bit 0 2. A1: Address input bit 1 3. A2: Address input bit 2 4. GND: Ground 5. SDA: Serial data input/output 6. SCL: Serial clock input 7. WP: Write protect (optional) 8. VCC: Power supply

Functional Features

• Random access: The CAT24C01BWA allows random access to any memory location, enabling efficient data retrieval.
• Byte-wise write and read: Data can be written or read in individual bytes, providing flexibility in data manipulation.
• Page write mode: Multiple bytes can be written at once, enhancing write efficiency.
• Software write protection: The chip supports software-based write protection to prevent accidental data modification.
• Self-timed programming cycle: The programming cycle does not require external timing signals, simplifying the integration process.

Advantages and Disadvantages

Advantages: - Non-volatile storage ensures data retention even during power loss. - Low power consumption extends battery life in portable devices. - Compact form factor saves space in electronic designs. - High reliability with long data retention and endurance characteristics. - Easy integration with standard I2C communication interface.

Disadvantages: - Limited memory capacity compared to other EEPROM chips. - Slower write and erase operations compared to some flash memory technologies. - Relatively higher cost per kilobit compared to larger capacity EEPROMs.

Working Principles

The CAT24C01BWA utilizes a floating gate transistor structure to store data. When data is written, an electric charge is trapped in the floating gate, altering the transistor's behavior. This charge can be removed during the erase operation, allowing the transistor to return to its original state. The stored charge determines whether a memory cell represents a logical "0" or "1".

The chip communicates with the host device using the I2C protocol, which enables serial data transfer between integrated circuits. The host device sends commands and addresses to access specific memory locations for read or write operations.

Application Field Plans

The CAT24C01BWA finds applications in various fields, including: 1. Microcontroller-based systems: Used for storing configuration data, calibration values, and firmware updates. 2. Industrial automation: Employed for data logging, parameter storage, and system configuration in control systems. 3. Consumer electronics: Integrated into devices like smart TVs, set-top boxes, and gaming consoles for storing user preferences and settings. 4. Automotive electronics: Utilized for storing critical data such as mileage, vehicle settings, and diagnostic information. 5. Medical devices: Used for storing patient data, device configurations, and firmware updates in medical equipment.

Alternative Models

Alternative models that offer similar functionality to the CAT24C01BWA include: - AT24C01A by Atmel - 24AA01 by Microchip Technology - M24C01 by STMicroelectronics

These alternatives have comparable specifications and pin configurations, providing options for different design requirements.

In conclusion, the CAT24C01BWA is a versatile EEPROM chip offering