Encyclopedia Entry: 93AA86A-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 reels of 2500 units

Specifications

• Memory Size: 8 kilobits (1 kilobyte)
• Organization: 1024 x 8 bits
• Supply Voltage: 2.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Interface: Serial Peripheral Interface (SPI)
• Write Time: 3 ms (typical)
• Data Retention: 200 years (minimum)

Detailed Pin Configuration

The 93AA86A-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 | CLK | Clock Input | | 7 | NC | Not Connected | | 8 | WP | Write Protect |

Functional Features

• Non-volatile memory: The 93AA86A-I/SN retains stored data even when the power is turned off.
• Electrically erasable: Allows for easy modification and updating of stored data.
• Programmable: Data can be written and read using the SPI interface.
• High endurance: Supports a minimum of 1 million write cycles.
• Low power consumption: Operates with low standby and active current.

Advantages

• Compact size enables integration into space-constrained electronic devices.
• Wide operating voltage range allows compatibility with various systems.
• High data retention ensures long-term reliability.
• Fast write time facilitates efficient data storage and retrieval.
• SPI interface simplifies communication with other ICs.

Disadvantages

• Limited memory capacity may not be suitable for applications requiring larger storage.
• Write protect pin (WP) may require additional circuitry for proper usage.

Working Principles

The 93AA86A-I/SN utilizes EEPROM technology to store and retrieve digital information. It employs an array of floating-gate transistors that can be electrically programmed and erased. The SPI interface enables communication between the IC and the controlling device, allowing data to be written or read from specific memory locations.

Detailed Application Field Plans

The 93AA86A-I/SN is commonly used in various electronic devices and systems, including: - Consumer electronics (e.g., smartphones, tablets, digital cameras) - Automotive electronics (e.g., engine control units, infotainment systems) - Industrial automation (e.g., programmable logic controllers, sensors) - Medical devices (e.g., patient monitoring systems, diagnostic equipment) - Communication systems (e.g., routers, modems)

Detailed and Complete Alternative Models

• 93AA86B-I/SN: Similar specifications but with extended temperature range (-40°C to +125°C).
• 93AA86C-I/SN: Higher memory capacity (16 kilobits) with the same pin configuration and package.

In conclusion, the 93AA86A-I/SN is a compact and versatile EEPROM IC designed for non-volatile data storage in a wide range of electronic devices. Its small form factor, low power consumption, and high endurance make it suitable for various applications. However, its limited memory capacity and the need for additional circuitry for write protection should be considered when selecting alternative models.