FT93C46A-UTR-T

Product Overview

Category

The FT93C46A-UTR-T 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, consumer electronics, and industrial applications.

Characteristics

• Electrically erasable: The FT93C46A-UTR-T allows for easy modification and erasure of stored data without requiring physical removal.
• Non-volatile: The stored data remains intact even when power is removed.
• High endurance: This chip can withstand a large number of write and erase cycles.
• Small form factor: The FT93C46A-UTR-T comes in a compact package, making it suitable for space-constrained applications.
• Low power consumption: It operates efficiently with minimal power requirements.

Package and Quantity

The FT93C46A-UTR-T is available in a small outline transistor (SOT-23) package. It is typically sold in reels containing a specified quantity, such as 3,000 units per reel.

Specifications

• Memory capacity: 1 kilobit (128 bytes)
• Operating voltage: 2.5V to 5.5V
• Operating temperature range: -40°C to +85°C
• Write time: 5ms maximum
• Data retention: 200 years minimum

Detailed Pin Configuration

The FT93C46A-UTR-T has a total of 8 pins, each serving a specific function:

1. Chip Select (/CS): Enables or disables the chip for communication.
2. Serial Clock (SCK): Provides the clock signal for synchronous data transfer.
3. Serial Data Input (DI): Receives data from the external device.
4. Serial Data Output (DO): Transmits data to the external device.
5. Write Enable (/W): Controls the write operation.
6. VCC: Power supply voltage input.
7. Ground (GND): Common ground reference.
8. NC: No connection.

Functional Features

• Sequential read and write operations: The FT93C46A-UTR-T allows for easy sequential access to stored data.
• Software and hardware protection: It provides mechanisms to protect sensitive data from unauthorized access or modification.
• High-speed data transfer: The chip supports fast data transfer rates, ensuring efficient communication with the host device.
• Built-in error detection and correction: It includes error checking and correcting capabilities to ensure data integrity.

Advantages and Disadvantages

Advantages

• Compact size and low power consumption make it suitable for portable and battery-powered devices.
• High endurance ensures reliable and long-lasting data storage.
• Easy integration into various electronic systems due to its standard interface and compatibility.
• Versatile application range across different industries.

Disadvantages

• Limited memory capacity compared to other EEPROM chips.
• Relatively slower write time compared to some competing technologies.
• Vulnerable to electromagnetic interference in certain environments.

Working Principles

The FT93C46A-UTR-T utilizes a floating gate transistor structure to store and retrieve data. When data is written, an electric charge is trapped in the floating gate, altering the transistor's behavior. This change can be detected during subsequent read operations. Erasing the data involves removing the trapped charge from the floating gate, resetting the transistor to its initial state.

Detailed Application Field Plans

The FT93C46A-UTR-T finds applications in various fields, including:

1. Automotive systems: Used for storing critical vehicle parameters, such as mileage, calibration data, and security information.
2. Consumer electronics: Employed in devices like smart TVs, set-top boxes, and gaming consoles for storing user preferences, firmware updates, and configuration settings.
3. Industrial automation: Utilized in programmable logic controllers (PLCs) and industrial control systems to store production data, equipment calibration values, and system configurations.
4. Medical devices: Integrated into medical equipment for storing patient data, device settings, and usage logs.

Detailed and Complete Alternative Models

1. FT24C02A-UTR-T: A similar EEPROM chip with a capacity of 2 kilobits and compatible pin configuration.
2. AT93C46D-SSHM-T: An alternative EEPROM chip from a different manufacturer, offering similar specifications and functionality.
3. CAT24C01WI-GT3: Another option with a capacity of 1 kilobit, featuring a different package type (SOT-23-5).

These alternative models can be considered based on specific project requirements, availability, and cost considerations.

In conclusion, the FT93C46A-UTR-T is a compact and versatile EEPROM chip that offers reliable non-volatile data storage. With its high endurance, low power consumption