Encyclopedia Entry: 93LC86C-I/MS

Product Overview

Category

The 93LC86C-I/MS belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

This product is commonly used for non-volatile data storage in various electronic devices, such as microcontrollers, computers, and consumer electronics.

Characteristics

• Non-volatile: Retains stored data even when power is removed.
• Electrically erasable: Allows for easy modification of stored data.
• Programmable: Data can be written and rewritten multiple times.
• Small form factor: Packaged in a miniature surface-mount package.

Package and Quantity

The 93LC86C-I/MS is packaged in a small outline integrated circuit (SOIC) package. It is typically sold in reels or tubes containing a specified quantity, such as 250 or 1000 units per package.

Specifications

• Memory capacity: 8 kilobits (1 kilobyte)
• Operating voltage: 2.5V to 5.5V
• Maximum clock frequency: 2 MHz
• Write endurance: 1 million cycles
• Data retention: 200 years

Pin Configuration

The 93LC86C-I/MS has a total of 8 pins, each serving a specific function:

1. Chip Select (/CS): Enables or disables the chip for communication.
2. Serial Clock (SCK): Provides the clock signal for data transfer.
3. Serial Data Input (SI): Receives data from the external device.
4. Serial Data Output (SO): Transmits data to the external device.
5. Write Enable (/W): Controls the write operation.
6. VCC: Power supply voltage.
7. Ground (GND): Common ground reference.
8. Hold (/HOLD): Suspends the current operation.

Functional Features

• High-speed serial interface for efficient data transfer.
• Byte-level and page-level write operations for flexible programming.
• Software and hardware protection mechanisms to prevent unauthorized access.
• Self-timed programming cycle for simplified operation.
• Low power consumption for energy-efficient applications.

Advantages and Disadvantages

Advantages

• Compact size allows for integration into space-constrained designs.
• Easy programmability enables quick updates or modifications.
• High endurance ensures reliable and long-lasting data storage.
• Wide operating voltage range provides compatibility with various systems.

Disadvantages

• Limited memory capacity compared to other storage technologies.
• Relatively slower write speed compared to some alternatives.
• Susceptible to electromagnetic interference (EMI) due to its small form factor.

Working Principles

The 93LC86C-I/MS utilizes a floating-gate transistor structure to store data. When writing, an electrical charge is applied to the floating gate, altering its threshold voltage. This change in voltage represents the stored data. During reading, the threshold voltage is measured to determine the stored information.

Application Field Plans

The 93LC86C-I/MS finds application in a wide range of electronic devices, including: - Microcontrollers and embedded systems - Automotive electronics - Industrial control systems - Consumer electronics - Medical devices

Alternative Models

For those seeking alternative options, the following EEPROM chips can be considered: 1. 24LC256: Offers higher memory capacity (32 kilobytes) and faster write speed. 2. AT24C02: Provides lower memory capacity (256 bytes) but consumes less power. 3. M93C66: Similar memory capacity (8 kilobits) with extended temperature range.

These alternatives cater to different requirements and can be chosen based on specific project needs.

In conclusion, the 93LC86C-I/MS is a compact and versatile EEPROM chip used for non-volatile data storage in various electronic applications. Its programmability, small form factor, and reliable performance make it a popular choice among designers and engineers.

Word count: 530 words