Encyclopedia Entry: 93C86AT-I/OT

Product Overview

Category

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

Use

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

Characteristics

• Non-volatile: The 93C86AT-I/OT retains stored data even when power is removed.
• Electrically erasable: Data can be erased and reprogrammed electronically.
• High density: This chip offers a storage capacity of 8 kilobits (1 kilobyte).
• Low power consumption: It operates at low voltage levels, making it energy-efficient.
• Fast access time: The 93C86AT-I/OT provides quick read and write operations.

Package

This product is available in an industry-standard 8-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of the 93C86AT-I/OT lies in its ability to store and retrieve data reliably, while being easily programmable and erasable.

Packaging/Quantity

The 93C86AT-I/OT is typically packaged in reels or tubes, with each reel containing 2,500 units.

Specifications

• Memory Capacity: 8 kilobits (1 kilobyte)
• Supply Voltage: 2.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Time: 3ms (typical)
• Data Retention: 200 years (minimum)

Detailed Pin Configuration

The 93C86AT-I/OT features the following pin configuration:

1. Chip Select (/CS)
2. Serial Clock (SCK)
3. Serial Data Input (SI)
4. Serial Data Output (SO)
5. Write Enable (/W)
6. VCC (Power Supply)
7. Ground (GND)
8. Not Connected (NC)

Functional Features

• Sequential Read and Write: The chip supports sequential read and write operations, allowing efficient data transfer.
• Software Protection: It provides software protection mechanisms to prevent unauthorized access or modification of stored data.
• Hardware Write Protection: The 93C86AT-I/OT includes hardware write protection pins to safeguard against accidental data alteration.
• Self-Timed Programming: This feature ensures reliable and accurate programming without the need for external timing signals.

Advantages and Disadvantages

Advantages

• High storage capacity in a compact package.
• Low power consumption, making it suitable for battery-powered devices.
• Fast access time for quick data retrieval.
• Reliable data retention over extended periods.
• Easy programmability and erasability.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively higher cost per kilobyte compared to larger EEPROM chips.

Working Principles

The 93C86AT-I/OT utilizes a combination of electronic circuits and floating gate transistors to store and retrieve data. When data is written, an electrical charge is applied to the floating gate, altering its conductivity. This change in conductivity represents the stored information. During read operations, the conductivity of the floating gate is measured, allowing the retrieval of the stored data.

Detailed Application Field Plans

The 93C86AT-I/OT finds applications in various fields, including:

1. Microcontrollers: Used for storing firmware, configuration settings, and calibration data.
2. Automotive Systems: Employed in electronic control units (ECUs) for storing critical vehicle parameters and diagnostic information.
3. Consumer Electronics: Integrated into devices like smart TVs, set-top boxes, and gaming consoles for data storage purposes.
4. Industrial Applications: Utilized in industrial automation systems, sensors, and control modules for storing calibration data and system parameters.

Detailed and Complete Alternative Models

1. 93C66AT-I/OT: A similar EEPROM chip with a lower storage capacity of 4 kilobits (0.5 kilobyte).
2. 93C56AT-I/OT: Another alternative with a higher storage capacity of 16 kilobits (2 kilobytes).
3. 93C46AT-I/OT: An alternative model offering a lower storage capacity of 2 kilobits (0.25 kilobyte).

(Note: The above alternatives are from the same product family and share similar characteristics and pin configurations.)

In conclusion, the 93C86AT-I/OT is a versatile EEPROM chip that provides reliable non-volatile data storage in various electronic applications. With its high density, low power consumption, and fast access time, it offers an efficient solution for storing critical information.