Encyclopedia Entry: 93C86AT-E/MS

Product Overview

Category

The 93C86AT-E/MS belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

This chip is commonly used for non-volatile data storage in various electronic devices, such as microcontrollers, automotive systems, consumer electronics, and industrial applications.

Characteristics

• Non-volatile memory: Retains stored data even when power is removed.
• Electrically erasable: Allows for easy modification of stored data.
• High endurance: Can withstand a large number of write and erase cycles.
• Small form factor: Comes in a compact package suitable for integration into various electronic devices.

Package and Quantity

The 93C86AT-E/MS is typically packaged in a surface-mount SOIC (Small Outline Integrated Circuit) package. It is available in reels or tubes, with a standard quantity of 2500 units per reel.

Specifications

• Memory capacity: 8 kilobits (1 kilobyte)
• Organization: 1024 x 8 bits
• Supply voltage: 2.5V to 5.5V
• Operating temperature range: -40°C to +85°C
• Data retention: Up to 200 years
• Write endurance: Minimum 1 million cycles

Detailed Pin Configuration

The 93C86AT-E/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 (CLK): Provides the timing for data transfer.
3. Serial Data Input (DI): Receives data during write operations.
4. Serial Data Output (DO): Outputs data during read operations.
5. Write Protect (/WP): Protects the memory from accidental writes.
6. VCC: Power supply voltage.
7. Ground (GND): Common ground reference.
8. HOLD (/HOLD): Pauses the serial communication temporarily.

Functional Features

• Serial communication interface: Supports a simple and efficient 3-wire protocol for data transfer.
• Byte-wise read and write operations: Allows for easy manipulation of individual memory locations.
• Software and hardware protection: Provides options to protect the memory from unauthorized writes.
• Fast operation: Offers high-speed data transfer rates for quick access to stored information.

Advantages and Disadvantages

Advantages

• Compact size and low power consumption make it suitable for portable devices.
• High endurance ensures reliable and long-lasting data storage.
• Easy integration into existing electronic systems due to standard package and interface.
• Versatile application range across various industries.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively slower write and erase times compared to some alternatives.
• Vulnerable to certain environmental factors, such as radiation or extreme temperatures.

Working Principles

The 93C86AT-E/MS utilizes an electrically erasable floating-gate transistor technology. It stores data by trapping charges in the floating gate, which can be modified through electrical signals during write and erase operations. The stored charges represent binary values that can be read back when required.

Detailed Application Field Plans

The 93C86AT-E/MS finds applications in a wide range of fields, including: 1. Automotive: Used for storing critical data in engine control units, airbag systems, and anti-lock braking systems. 2. Consumer Electronics: Integrated into smart TVs, set-top boxes, and gaming consoles for firmware storage and configuration data. 3. Industrial Automation: Employed in programmable logic controllers (PLCs) and industrial control systems for parameter storage and system configuration. 4. Medical Devices: Utilized for data logging and calibration in medical equipment, such as patient monitors and diagnostic devices.

Detailed Alternative Models

1. 93C66AT-E/MS: Similar to the 93C86AT-E/MS but with a smaller memory capacity of 4 kilobits.
2. 93C56AT-E/MS: Another alternative with a reduced memory capacity of 2 kilobits.
3. 93C46AT-E/MS: Offers the smallest memory capacity of 1 kilobit among the alternatives.

These alternative models provide options for different storage requirements while maintaining similar functionality and compatibility.

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