Encyclopedia Entry: 93C86BT-I/SN

Product Overview

Category

The 93C86BT-I/SN 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: The 93C86BT-I/SN retains stored data even when power is disconnected.
• Electrically erasable: The chip allows for easy modification and erasure of stored data through electrical signals.
• High storage capacity: The 93C86BT-I/SN has a storage capacity of 8 kilobits (1 kilobyte).
• Low power consumption: The chip operates on low power, making it suitable for battery-powered devices.
• Wide operating voltage range: It can function within a voltage range of 2.5V to 5.5V.

Package and Quantity

The 93C86BT-I/SN is available in an 8-pin SOIC (Small Outline Integrated Circuit) package. It is typically sold in reels containing a quantity of 2500 units.

Specifications

• Memory Capacity: 8 kilobits (1024 bytes)
• Organization: 128 x 8 bits
• Supply Voltage Range: 2.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Time: 3 ms (typical)
• Data Retention: 200 years (minimum)

Pin Configuration

The 93C86BT-I/SN chip has the following pin configuration:

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| | | 1 8 | | | | 2 7 | | | | 3 6 | | | | 4 5 | |___________| ```

1. Chip Select (/CS): Enables or disables the chip for communication.
2. Serial Data Input (DI): Receives data serially for programming or reading.
3. Serial Data Output (DO): Outputs data serially during read operations.
4. Clock (CLK): Provides timing for data transfer.
5. Write Enable (/W): Controls write operations to the memory array.
6. VCC: Power supply voltage input.
7. Ground (GND): Ground reference for the chip.
8. Not Connected (NC): Unused pin.

Functional Features

• Sequential Read and Write: The 93C86BT-I/SN supports sequential read and write operations, allowing efficient access to stored data.
• Self-Timed Programming: The chip automatically manages the timing of write operations, simplifying the programming process.
• Software Protection: It provides software protection mechanisms to prevent unauthorized modification of stored data.
• High Reliability: The EEPROM technology used in this chip ensures high endurance and data retention capabilities.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even without power.
• Electrically erasable and reprogrammable, allowing for easy updates.
• Wide operating voltage range enables compatibility with various systems.
• Compact package size facilitates integration into space-constrained designs.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Slower write times compared to some alternative memory solutions.
• Relatively higher cost per bit compared to larger capacity memory chips.

Working Principles

The 93C86BT-I/SN utilizes an electrically erasable programmable read-only memory (EEPROM) technology. It consists of a memory array organized into 128 rows and 8 bits per row. Data can be written to or read from the chip serially using dedicated input and output pins. The chip's internal circuitry manages the programming and erasing of data based on control signals received.

Application Field Plans

The 93C86BT-I/SN finds applications in various fields, including but not limited to: - Microcontrollers and embedded systems - Automotive electronics (e.g., engine control units, infotainment systems) - Consumer electronics (e.g., smart TVs, set-top boxes) - Industrial automation and control systems - Medical devices - Communication equipment

Alternative Models

For those seeking alternative options, the following EEPROM chips provide similar functionality: - 93C66BT-I/SN: 4 kilobits (512 bytes) capacity, 16 x 8 organization. - 93C46BT-I/SN: 1 kilobit (128 bytes) capacity, 64 x 16 organization. - 93C56BT-I/SN: 2 kilobits (256 bytes) capacity, 32 x 8 organization.

These alternatives