93C86A-I/ST

Product Overview

The 93C86A-I/ST is a non-volatile serial Electrically Erasable Programmable Read-Only Memory (EEPROM) device. It falls under the category of integrated circuits and is commonly used in various electronic applications due to its reliable data storage capabilities. This EEPROM is known for its small package size, low power consumption, and high endurance, making it suitable for a wide range of embedded systems.

Basic Information

• Category: Integrated Circuits
• Use: Data Storage in Embedded Systems
• Characteristics: Small Package Size, Low Power Consumption, High Endurance
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Non-volatile Serial EEPROM
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Memory Capacity: 16 Kbits
• Interface: Serial (Microwire)
• Operating Voltage: 2.5V - 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Cycle Endurance: 1 Million Cycles
• Data Retention: 100 Years

Detailed Pin Configuration

The 93C86A-I/ST features an 8-pin SOIC package with the following pin configuration: 1. Chip Select (/CS) 2. Serial Data Input (DI) 3. Serial Data Output (DO) 4. Serial Clock (SK) 5. Write Enable (W) 6. VSS (Ground) 7. No Connection (NC) 8. Supply Voltage (VCC)

Functional Features

• Serial Interface: Utilizes Microwire protocol for communication
• Write Protection: Supports hardware and software write protection
• Sequential Read: Allows sequential read operations for efficient data retrieval
• Self-Timed Erase/Write Cycle: Simplifies programming and operation

Advantages and Disadvantages

Advantages

• Compact form factor
• Low power consumption
• High endurance
• Wide operating voltage range

Disadvantages

• Limited memory capacity compared to other EEPROMs
• Relatively higher cost per bit of storage

Working Principles

The 93C86A-I/ST operates by utilizing an array of floating gate transistors to store data. When data needs to be written or erased, the device uses a combination of electrical signals and charge trapping to modify the state of individual memory cells. The serial interface allows for efficient communication with the host system, enabling seamless integration into various applications.

Detailed Application Field Plans

The 93C86A-I/ST finds extensive use in automotive electronics, industrial control systems, consumer electronics, and medical devices. In automotive applications, it is employed for storing critical vehicle parameters and calibration data. Industrial control systems utilize it for configuration storage and firmware updates. Additionally, consumer electronics such as smart meters and set-top boxes benefit from its reliable data storage capabilities. Medical devices often rely on the 93C86A-I/ST for storing patient information and device settings.

Detailed and Complete Alternative Models

• 93C66A-I/ST: 4 Kbit Serial EEPROM
• 93C56A-I/ST: 2 Kbit Serial EEPROM
• 93C46A-I/ST: 1 Kbit Serial EEPROM

In conclusion, the 93C86A-I/ST offers a balance of compact design, low power consumption, and high endurance, making it a versatile choice for various embedded system applications. Its compatibility with the Microwire interface and robust functional features contribute to its widespread adoption across different industries.

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