Encyclopedia Entry: 93AA76B-I/ST

Product Information Overview

Category: Integrated Circuit (IC)

Use: Non-volatile Memory

Characteristics: - Serial EEPROM (Electrically Erasable Programmable Read-Only Memory) - 8-bit organization - 8-pin package - Low power consumption - High reliability - Small form factor

Package: SOIC (Small Outline Integrated Circuit)

Essence: The 93AA76B-I/ST is a serial EEPROM IC that provides non-volatile memory storage in various electronic devices. It offers a compact and reliable solution for storing data that needs to be retained even when the power is turned off.

Packaging/Quantity: The 93AA76B-I/ST is typically sold in reels, with each reel containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the manufacturer or supplier.

Specifications

• Memory Size: 8 Kbits (1024 bytes)
• Interface: Serial I2C (Inter-Integrated Circuit)
• Operating Voltage: 1.8V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Endurance: 1 Million cycles
• Data Retention: 200 years

Detailed Pin Configuration

The 93AA76B-I/ST IC has an 8-pin configuration as follows:

1. VCC: Power supply voltage input
2. SDA: Serial data input/output for I2C communication
3. SCL: Serial clock input for I2C communication
4. WP: Write Protect pin for hardware protection
5. VSS: Ground reference
6. NC: No Connection
7. NC: No Connection
8. VCC: Power supply voltage input

Functional Features

• Byte-level read and write operations
• Sequential read and write operations
• Software and hardware write protection
• Self-timed programming cycle
• Power-saving standby mode
• Write enable latch
• 32-byte page write buffer

Advantages and Disadvantages

Advantages: - Compact size and low power consumption make it suitable for portable devices - High reliability ensures data integrity - Easy integration into existing circuit designs - Wide operating voltage range allows compatibility with various systems - Cost-effective solution for non-volatile memory storage

Disadvantages: - Limited storage capacity compared to other memory technologies - Slower write speed compared to volatile memory - Susceptible to electromagnetic interference (EMI) due to its small form factor

Working Principles

The 93AA76B-I/ST utilizes EEPROM technology to store data. It employs a floating gate transistor structure that can be electrically programmed and erased. The IC uses I2C communication protocol for interfacing with the microcontroller or host system. Data can be written to or read from the memory cells using specific commands and addresses.

Detailed Application Field Plans

The 93AA76B-I/ST is widely used in various electronic devices and applications, including but not limited to: - Consumer electronics (e.g., smartphones, tablets, digital cameras) - Automotive systems (e.g., infotainment systems, engine control units) - Industrial automation (e.g., sensors, programmable logic controllers) - Medical devices (e.g., patient monitoring systems, diagnostic equipment) - Smart home appliances (e.g., smart thermostats, security systems)

Detailed and Complete Alternative Models

Some alternative models to the 93AA76B-I/ST include: - 24AA64-I/P: 64 Kbit serial EEPROM, 8-pin DIP package - 25LC256-I/SN: 256 Kbit serial EEPROM, 8-pin SOIC package - AT24C02N: 2 Kbit serial EEPROM, 8-pin DIP package - CAT24C08WI-GT3: 8 Kbit serial EEPROM, 8-pin TSSOP package

These alternative models offer different memory capacities, package types, and features, allowing designers to choose the most suitable option for their specific requirements.

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