Encyclopedia Entry: 93AA46CT-I/SN

Product Overview

• Category: Integrated Circuit (IC)
• Use: Non-volatile Electrically Erasable Programmable Read-Only Memory (EEPROM)
• Characteristics: Small form factor, low power consumption, high data retention, and endurance
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Data storage and retrieval in electronic devices
• Packaging/Quantity: Available in tape and reel packaging, with a quantity of 2500 units per reel

Specifications

• Memory Size: 4 kilobits (512 bytes)
• Organization: 64 pages of 8 bytes each
• Supply Voltage: 1.8V to 5.5V
• Interface: Serial Peripheral Interface (SPI) compatible
• Write Endurance: 1 million write cycles
• Data Retention: 200 years
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 93AA46CT-I/SN IC has a total of 8 pins, which are as follows:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | CS | Chip Select | | 2 | DO | Data Output | | 3 | GND | Ground | | 4 | VCC | Power Supply | | 5 | DI | Data Input | | 6 | WP | Write Protect | | 7 | HOLD | Hold | | 8 | CLK | Clock |

Functional Features

• Non-volatile memory: The 93AA46CT-I/SN retains stored data even when the power is turned off.
• Electrically erasable and programmable: Allows for easy modification of stored data.
• Serial interface: Utilizes the SPI protocol for communication with other devices.
• Low power consumption: Operates efficiently, conserving energy in electronic systems.

Advantages

• Compact size: The small form factor makes it suitable for space-constrained applications.
• High endurance: Can withstand frequent write operations without compromising performance.
• Wide voltage range: Compatible with a variety of power supply voltages.
• Long data retention: Ensures data integrity over extended periods of time.

Disadvantages

• Limited storage capacity: With only 4 kilobits, it may not be sufficient for certain applications requiring larger memory sizes.
• Serial interface limitations: The use of SPI may restrict compatibility with devices that utilize different communication protocols.

Working Principles

The 93AA46CT-I/SN operates based on the principles of EEPROM technology. It utilizes electrically controlled floating gate transistors to store and retrieve data. When data is written, an electrical charge is applied to the floating gate, altering its conductivity and storing the desired information. To read the data, the charge level of the floating gate is measured, allowing the retrieval of the stored information.

Detailed Application Field Plans

The 93AA46CT-I/SN finds application in various electronic devices, including but not limited to: 1. Consumer electronics: Used in smart TVs, set-top boxes, and audio/video equipment for storing configuration settings and user preferences. 2. Automotive systems: Employed in car infotainment systems, engine control units (ECUs), and instrument clusters for data logging and parameter storage. 3. Industrial automation: Integrated into programmable logic controllers (PLCs) and industrial sensors for storing calibration data and device configurations. 4. Medical devices: Utilized in medical equipment such as patient monitors and diagnostic devices for storing patient data and device settings.

Detailed Alternative Models

1. 93AA46B-I/SN: Similar to the 93AA46CT-I/SN, but with a different package (SOIC-8) and operating temperature range (-40°C to +125°C).
2. 93AA46A-I/SN: Another alternative with the same specifications as the 93AA46CT-I/SN, but in a smaller SOT-23-6 package.
3. 93AA46C-I/SN: A variant with an extended voltage range of 1.7V to 5.5V, suitable for low-power applications.

Note: The above alternative models are provided for reference and may have slight variations in features and characteristics.

In conclusion, the 93AA46CT-I/SN is a compact and versatile EEPROM IC that offers non-volatile data storage capabilities. With its high endurance, low power consumption, and wide application field, it serves as a reliable solution for various electronic devices requiring small-scale memory storage.