Encyclopedia Entry: 93AA66T-I/SN

Product Information Overview

Category: Integrated Circuit (IC)

Use: Non-volatile Serial EEPROM Memory

Characteristics: - Low-power consumption - High reliability - Small form factor - Serial communication interface - Non-volatile memory storage

Package: SOIC (Small Outline Integrated Circuit)

Essence: The 93AA66T-I/SN is a non-volatile serial EEPROM memory IC that provides reliable and low-power data storage in a small form factor.

Packaging/Quantity: The 93AA66T-I/SN is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Memory Size: 4Kbits (512 x 8 bits)
• Operating Voltage: 1.8V to 5.5V
• Communication Interface: I2C (2-wire serial interface)
• Write Cycle Endurance: 1 Million cycles
• Data Retention: 200 years
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 93AA66T-I/SN IC has 8 pins arranged as follows:

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| | | 1 2 3 4 5 | | | | 6 7 8 | |_______________| ```

1. Chip Select (CS): Used to enable/disable the IC for communication.
2. Serial Clock (SCK): Provides the clock signal for synchronous communication.
3. Serial Data Input (SDI): Used to input data during write operations.
4. Serial Data Output (SDO): Outputs data during read operations.
5. Ground (GND): Connected to the ground reference of the system.
6. Write Protect (WP): Used to protect the memory from accidental writes.
7. VCC: Power supply input (1.8V to 5.5V).
8. Serial Data Out (SDO): Outputs data during read operations.

Functional Features

• Non-volatile Memory: The 93AA66T-I/SN retains stored data even when power is removed.
• I2C Interface: Allows for easy integration with microcontrollers and other devices.
• High Reliability: With a write cycle endurance of 1 million cycles, it ensures long-term data integrity.
• Low Power Consumption: Ideal for battery-powered applications due to its low power requirements.
• Small Form Factor: The SOIC package enables compact designs in space-constrained applications.

Advantages and Disadvantages

Advantages: - Reliable non-volatile memory storage - Easy integration with I2C interface - Low power consumption - Compact form factor

Disadvantages: - Limited memory size (4Kbits) - Slower write speeds compared to some other memory technologies

Working Principles

The 93AA66T-I/SN utilizes an I2C serial interface to communicate with a microcontroller or other devices. It operates by sending commands and data through the SCK and SDI pins. The IC can be enabled or disabled using the Chip Select (CS) pin. During write operations, data is provided through the SDI pin, and during read operations, data is outputted through the SDO pin.

Detailed Application Field Plans

The 93AA66T-I/SN is commonly used in various applications, including but not limited to: - Automotive electronics - Industrial control systems - Consumer electronics - Medical devices - Smart meters

Its non-volatile memory capability, low power consumption, and small form factor make it suitable for applications that require reliable data storage in constrained environments.

Detailed and Complete Alternative Models

Some alternative models to the 93AA66T-I/SN include: - 24AA64-I/P: 64Kbit I2C Serial EEPROM - 25LC256-I/SN: 256Kbit SPI Serial EEPROM - AT24C02C-SSHM-T: 2Kbit I2C-Compatible Serial EEPROM - CAT24C08WI-GT3: 8Kbit I2C Serial EEPROM

These alternative models offer different memory sizes, communication interfaces, and package options, providing flexibility for various design requirements.

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