Encyclopedia Entry: 93AA86BT-I/ST

Product Information Overview

Category: Integrated Circuit (IC)

Use: Non-volatile Memory

Characteristics: - Small form factor - High storage capacity - Low power consumption - Serial communication interface

Package: SOIC (Small Outline Integrated Circuit)

Essence: The 93AA86BT-I/ST is a non-volatile memory IC that provides high storage capacity in a compact package. It is commonly used for data storage and retrieval in various electronic devices.

Packaging/Quantity: The 93AA86BT-I/ST is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Memory Capacity: 8,192 bits (1,024 bytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.5V - 5.5V
• Data Retention: Up to 200 years
• Write Endurance: 1 million cycles
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 93AA86BT-I/ST features an 8-pin SOIC 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. Hold (/HOLD)

Functional Features

• Non-volatile storage: The 93AA86BT-I/ST retains data even when power is disconnected.
• Serial communication: It utilizes the SPI interface for easy integration with microcontrollers and other devices.
• Write protection: The /WP pin allows for hardware-based write protection, preventing accidental modification of stored data.
• Low power consumption: The IC operates efficiently, minimizing power usage in battery-powered applications.

Advantages and Disadvantages

Advantages: - Compact size enables integration into space-constrained designs. - High storage capacity allows for storing significant amounts of data. - Long data retention period ensures data integrity over extended periods. - Low power consumption prolongs battery life in portable devices.

Disadvantages: - Limited write endurance may be a concern in applications with frequent data modifications. - Lack of built-in security features may require additional measures to protect sensitive data.

Working Principles

The 93AA86BT-I/ST utilizes EEPROM (Electrically Erasable Programmable Read-Only Memory) technology. It stores data by trapping electric charges within its memory cells, which can be read or modified using the SPI interface. The non-volatile nature of EEPROM ensures that stored data remains intact even when power is disconnected.

Detailed Application Field Plans

The 93AA86BT-I/ST finds application in various electronic devices, including but not limited to: - Consumer electronics - Automotive systems - Industrial control systems - Medical devices - Communication equipment

Its compact size, high storage capacity, and low power consumption make it suitable for use in these diverse fields.

Detailed and Complete Alternative Models

1. 93AA86B-I/ST: Similar to the 93AA86BT-I/ST, but without the /HOLD pin.
2. 93AA86A-I/ST: Lower capacity variant with 4,096 bits (512 bytes) of memory.
3. 93AA86C-I/ST: Higher capacity variant with 16,384 bits (2,048 bytes) of memory.

These alternative models offer different memory capacities and pin configurations to cater to specific application requirements.

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