AT93C46-10SU-1.8-T

Product Overview

Category

AT93C46-10SU-1.8-T belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

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

Characteristics

• Non-volatile: The stored data remains even when power is removed.
• Electrically erasable: Data can be erased and reprogrammed electronically.
• Small form factor: The chip is compact and suitable for integration into space-constrained designs.
• Low power consumption: It operates efficiently with minimal power requirements.
• High reliability: The EEPROM technology ensures reliable data retention and endurance.

Package

AT93C46-10SU-1.8-T is available in a surface-mount package (SMD) format.

Essence

The essence of this product lies in its ability to provide non-volatile memory storage that can be easily programmed and erased electronically.

Packaging/Quantity

AT93C46-10SU-1.8-T is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Operating Voltage: 1.8V
• Memory Size: 1 kilobit (128 bytes)
• Organization: 64 words x 16 bits
• Interface: Serial I2C
• Maximum Clock Frequency: 400 kHz
• Write Time: 5 ms (typical)
• Data Retention: 100 years (minimum)

Detailed Pin Configuration

The AT93C46-10SU-1.8-T chip has a total of 8 pins, which are assigned specific functions:

1. VCC - Power supply voltage
2. GND - Ground reference
3. SDA - Serial data input/output
4. SCL - Serial clock input
5. WP - Write protect (optional)
6. NC - No connection
7. NC - No connection
8. VCC - Power supply voltage

Functional Features

• Byte-level Read/Write: Allows individual bytes to be read from or written to the memory.
• Sequential Read: Supports sequential reading of multiple bytes for efficient data retrieval.
• Software Protection: Provides write protection through a software-controlled mechanism.
• Self-Timed Programming: Automatically manages programming and erase operations without external intervention.
• Hardware Write Protection: Optional write protection pin (WP) for added security.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data retention even during power loss.
• Electrically erasable and reprogrammable, allowing for easy updates.
• Small form factor enables integration into compact designs.
• Low power consumption prolongs battery life in portable devices.
• High reliability ensures data integrity over extended periods.

Disadvantages

• Limited memory size may not be suitable for applications requiring larger storage capacity.
• Slower write times compared to other non-volatile memory technologies.
• Requires an I2C interface, which may add complexity to the design.

Working Principles

AT93C46-10SU-1.8-T utilizes EEPROM technology, which employs floating-gate transistors to store charge representing binary data. The stored charge can be electrically manipulated to erase or program the memory cells. The chip communicates with the host microcontroller using the I2C serial interface, enabling data transfer and control signals.

Detailed Application Field Plans

AT93C46-10SU-1.8-T finds application in various fields, including: - Microcontrollers: Used for storing configuration settings, calibration data, and firmware updates. - Automotive Systems: Employed in electronic control units (ECUs) for storing critical data, such as vehicle identification numbers (VINs) and mileage. - Consumer Electronics: Integrated into devices like smart TVs, set-top boxes, and gaming consoles to store user preferences and settings.

Detailed and Complete Alternative Models

Some alternative models to AT93C46-10SU-1.8-T include: - AT93C46-10SI-2.7-T: Similar specifications but operates at a higher voltage of 2.7V. - AT93C46-10PI-2.5: DIP package variant with a wider operating voltage range of 2.5V to 5.5V. - AT93C46A-10PU-2.7: Enhanced version with extended temperature range and faster write times.

In conclusion, AT93C46-10SU-1.8-T is a compact and reliable EEPROM chip that offers non-volatile memory storage for various electronic applications. Its electrically erasable and programmable nature, along with its small form factor, make it suitable for integration into space-constrained designs. While it has certain