Encyclopedia Entry: 93AA76BT-I/MS

Product Information 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: MSOP-8 (Mini Small Outline Package)
• Essence: The 93AA76BT-I/MS is a compact EEPROM IC that provides non-volatile storage for electronic devices.
• Packaging/Quantity: Available in tape and reel packaging with 2500 units per reel.

Specifications

• Memory Size: 8 kilobits (1 kilobyte)
• Organization: 512 x 16 bits
• Supply Voltage: 1.8V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Endurance: 1 million write cycles
• Data Retention: 200 years
• Interface: SPI (Serial Peripheral Interface)

Detailed Pin Configuration

The 93AA76BT-I/MS features an MSOP-8 package with the following pin configuration:

1. Chip Select (/CS)
2. Serial Clock (SCK)
3. Serial Data Input (SI)
4. Serial Data Output (SO)
5. Write Protect (/WP)
6. VCC (Power Supply)
7. Ground (GND)
8. Not Connected (NC)

Functional Features

• Non-volatile Storage: The 93AA76BT-I/MS offers reliable non-volatile storage, ensuring data retention even when power is disconnected.
• Electrically Erasable: The EEPROM can be electrically erased and reprogrammed, allowing for flexible data updates.
• SPI Interface: The Serial Peripheral Interface enables easy communication with microcontrollers and other devices.
• Low Power Consumption: The IC operates at low power levels, making it suitable for battery-powered applications.
• Compact Size: The MSOP-8 package provides a small form factor, ideal for space-constrained designs.

Advantages and Disadvantages

Advantages: - Compact size allows for integration into small electronic devices. - High data retention ensures long-term reliability. - Low power consumption extends battery life. - Electrically erasable nature enables flexible data updates.

Disadvantages: - Limited memory size may not be sufficient for certain applications requiring larger storage capacity. - SPI interface may require additional hardware components for compatibility with certain systems.

Working Principles

The 93AA76BT-I/MS utilizes EEPROM technology to store data. It consists of a grid of memory cells that can be individually programmed or erased using electrical signals. When data is written, the memory cells are programmed by trapping electric charges. These charges can be later released during erasure, allowing new data to be written. The SPI interface facilitates communication between the IC and external devices, enabling data transfer and control operations.

Detailed Application Field Plans

The 93AA76BT-I/MS finds application in various electronic devices, including but not limited to: - Consumer electronics (e.g., smartphones, tablets, digital cameras) - Automotive systems (e.g., infotainment systems, engine control units) - Industrial equipment (e.g., sensors, control modules) - Medical devices (e.g., patient monitors, diagnostic equipment)

Detailed and Complete Alternative Models

1. 93AA76B-I/MS: Similar to 93AA76BT-I/MS, but without the Write Protect (/WP) pin.
2. 93AA76A-I/MS: Lower voltage variant operating from 1.7V to 3.6V.
3. 93AA76C-I/MS: Higher voltage variant operating from 2.5V to 5.5V.

These alternative models offer similar functionality with slight variations in voltage compatibility and pin configuration.

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