FT93C46A-UTR-B

Product Overview

Category

The FT93C46A-UTR-B belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

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

Characteristics

• Electrically erasable: The FT93C46A-UTR-B can be erased and reprogrammed electrically, eliminating the need for physical removal.
• Non-volatile: The stored data remains intact even when power is removed.
• High storage capacity: This chip has a storage capacity of 1 kilobit (128 bytes).
• Low power consumption: It operates on low power, making it suitable for battery-powered devices.
• Small form factor: The FT93C46A-UTR-B comes in a compact package, allowing for space-efficient integration into electronic circuits.

Package and Quantity

The FT93C46A-UTR-B is available in a small outline transistor (SOT) package. It is typically sold in reels containing a specified quantity, commonly 2500 units per reel.

Specifications

• Storage Capacity: 1 kilobit (128 bytes)
• Supply Voltage: 2.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Interface: Serial I2C (Inter-Integrated Circuit)

Detailed Pin Configuration

The FT93C46A-UTR-B features an 8-pin configuration with the following pin assignments:

1. Chip Select (/CS)
2. Serial Clock (SCK)
3. Serial Data Input/Output (SDI/SDO)
4. Write Protect (/WP)
5. VCC (Supply Voltage)
6. Ground (GND)
7. NC (No Connection)
8. NC (No Connection)

Functional Features

• Sequential Read and Write: The chip allows sequential reading and writing of data, enabling efficient data access.
• Hardware Write Protection: The FT93C46A-UTR-B includes a write protect pin (/WP) that can be used to prevent accidental modification of stored data.
• Self-Timed Programming Cycle: The programming cycle is self-timed, simplifying the integration process.

Advantages and Disadvantages

Advantages

• Compact size enables easy integration into various electronic devices.
• Electrically erasable and reprogrammable nature provides flexibility in data storage.
• Low power consumption makes it suitable for battery-powered applications.
• Hardware write protection feature enhances data security.

Disadvantages

• Limited storage capacity compared to other EEPROM chips.
• Slower read and write speeds compared to some alternative models.

Working Principles

The FT93C46A-UTR-B utilizes an electrically erasable programmable read-only memory (EEPROM) technology. It stores digital data by trapping charges within a floating gate transistor structure. These charges can be erased or programmed by applying appropriate voltage levels to specific pins.

Detailed Application Field Plans

The FT93C46A-UTR-B finds application in various fields, including but not limited to: 1. Automotive electronics: Used for storing vehicle-specific data, such as configuration settings and calibration parameters. 2. Industrial automation: Employed in programmable logic controllers (PLCs) for storing program code and critical data. 3. Consumer electronics: Integrated into devices like smart TVs, set-top boxes, and gaming consoles for storing user preferences and system configurations.

Detailed and Complete Alternative Models

1. AT24C02: This EEPROM chip offers a similar storage capacity of 2 kilobits and operates on the I2C interface.
2. CAT24C01: With a storage capacity of 1 kilobit, this chip is compatible with the FT93C46A-UTR-B and shares similar characteristics.

In conclusion, the FT93C46A-UTR-B is a compact EEPROM chip that provides non-volatile storage capabilities for various electronic devices. Its electrically erasable and reprogrammable nature, along with its low power consumption, make it a versatile choice for applications requiring reliable data storage.