CAT93C66XI-T2

Product Overview

Category

The CAT93C66XI-T2 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, automotive systems, and consumer electronics.

Characteristics

• Non-volatile: The CAT93C66XI-T2 retains stored data even when power is removed.
• Electrically erasable: The chip allows for easy modification and erasure of stored data.
• High storage capacity: The CAT93C66XI-T2 has a storage capacity of 4 kilobits (512 bytes).
• Low power consumption: This chip operates on low power, making it suitable for battery-powered devices.

Package

The CAT93C66XI-T2 is available in an industry-standard 8-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of the CAT93C66XI-T2 lies in its ability to provide reliable and non-volatile data storage in a compact form factor.

Packaging/Quantity

The chip is typically sold in reels or tubes, with each reel containing a specific quantity of CAT93C66XI-T2 chips. The exact quantity may vary depending on the manufacturer and supplier.

Specifications

• Memory Capacity: 4 kilobits (512 bytes)
• Interface: Serial
• Supply Voltage: 2.5V - 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Time: 5ms (typical)
• Data Retention: 200 years (typical)

Detailed Pin Configuration

The CAT93C66XI-T2 features 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 (Supply Voltage)
7. Ground (GND)
8. Not Connected (NC)

Functional Features

• High-speed data transfer: The CAT93C66XI-T2 supports fast serial communication, enabling efficient data transfer.
• Hardware write protection: The chip provides write protection to prevent accidental modification or erasure of stored data.
• Sequential read operation: It allows sequential reading of data, simplifying access to stored information.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data retention even during power loss.
• Compact form factor suitable for space-constrained applications.
• Low power consumption extends battery life in portable devices.
• Easy modification and erasure of stored data.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively slower write times compared to some competing memory chips.
• Vulnerable to electromagnetic interference (EMI) due to its serial interface.

Working Principles

The CAT93C66XI-T2 utilizes EEPROM technology, which allows for electrically erasing and reprogramming of data. It stores information using a grid of floating-gate transistors that can be individually programmed or erased by applying specific voltage levels. The chip's internal circuitry manages the reading, writing, and erasing operations, ensuring reliable data storage and retrieval.

Detailed Application Field Plans

The CAT93C66XI-T2 finds application in various fields, including:

1. Microcontrollers: Used for storing firmware, configuration settings, and calibration data.
2. Automotive Systems: Employed in electronic control units (ECUs), instrument clusters, and infotainment systems.
3. Consumer Electronics: Integrated into smart devices, wearables, and home automation systems for data storage purposes.

Detailed and Complete Alternative Models

1. CAT93C46XI-T2: Similar to the CAT93C66XI-T2 but with a smaller storage capacity of 2 kilobits.
2. CAT93C86XI-T2: Offers a higher storage capacity of 16 kilobits compared to the CAT93C66XI-T2.

These alternative models provide options for different memory requirements while maintaining similar functionality and characteristics.

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