Encyclopedia Entry: 93LC86B-I/ST

Product Overview

• Category: Integrated Circuit (IC)
• Use: Non-volatile Memory
• Characteristics: Small form factor, low power consumption, high data retention
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Serial Electrically Erasable Programmable Read-Only Memory (EEPROM)
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Memory Size: 8 kilobits (1024 bytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.5V to 5.5V
• Data Retention: 200 years
• Write Endurance: 1 million cycles
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 93LC86B-I/ST IC has a total of 8 pins: 1. Chip Select (/CS) 2. Serial Clock (SCK) 3. Serial Data Input (SI) 4. Serial Data Output (SO) 5. Write Enable (/WE) 6. VCC (Power Supply) 7. Ground (GND) 8. Hold (/HOLD)

Functional Features

• Non-volatile memory allows data retention even when power is removed
• Serial interface enables easy integration with microcontrollers and other devices
• Low power consumption makes it suitable for battery-powered applications
• High data retention ensures long-term storage of critical information
• Write protection feature prevents accidental modification of stored data

Advantages

• Compact size saves board space in electronic designs
• Wide operating voltage range provides flexibility in various applications
• High write endurance ensures reliable and durable data storage
• Compatibility with SPI interface simplifies communication with host devices
• Extended temperature range allows usage in harsh environments

Disadvantages

• Limited memory size may not be sufficient for certain applications
• Serial interface may have slower data transfer rates compared to parallel interfaces
• Inability to perform random access limits its use in certain scenarios

Working Principles

The 93LC86B-I/ST is based on Electrically Erasable Programmable Read-Only Memory (EEPROM) technology. It utilizes a floating gate transistor structure to store and retrieve data. The serial interface enables the microcontroller or host device to communicate with the IC, allowing read and write operations.

Detailed Application Field Plans

The 93LC86B-I/ST finds application in various fields, including: 1. Consumer Electronics: Used in smart TVs, set-top boxes, and audio systems for storing configuration settings and user preferences. 2. Automotive: Employed in automotive electronics for storing critical data such as mileage, fault codes, and calibration parameters. 3. Industrial Automation: Utilized in industrial control systems for storing program code, configuration data, and sensor calibration values. 4. Medical Devices: Integrated into medical equipment for storing patient data, device settings, and firmware updates. 5. Internet of Things (IoT): Incorporated into IoT devices for storing network credentials, device identification, and firmware updates.

Detailed and Complete Alternative Models

1. 93LC66B-I/ST: 4 kilobits (512 bytes) memory size, similar specifications and features.
2. 93LC256B-I/ST: 32 kilobits (4096 bytes) memory size, higher capacity version with comparable characteristics.
3. 93LC1024B-I/ST: 128 kilobits (16384 bytes) memory size, larger capacity option suitable for more extensive data storage.

Note: The above alternative models are from the same series and share similar pin configurations and working principles.

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