AT93C66W-10SC

Product Overview

Category

AT93C66W-10SC belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

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

Characteristics

• Non-volatile: The data stored in AT93C66W-10SC remains even when power is removed.
• Electrically erasable: The memory can be erased and reprogrammed electronically.
• High density: AT93C66W-10SC offers a storage capacity of 4 kilobits (512 bytes).
• Low power consumption: This chip operates at low voltage levels, making it energy-efficient.
• Fast access time: AT93C66W-10SC provides quick read and write operations.

Package

AT93C66W-10SC comes in an industry-standard 8-pin small outline integrated circuit (SOIC) package.

Essence

The essence of AT93C66W-10SC lies in its ability to store and retrieve data reliably in electronic systems, ensuring the preservation of critical information.

Packaging/Quantity

This product is typically sold in reels containing a quantity of 250 units per reel.

Specifications

• Memory Capacity: 4 kilobits (512 bytes)
• Operating Voltage: 2.5V - 5.5V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 200 years
• Write Endurance: 1 million cycles

Detailed Pin Configuration

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

Functional Features

• Sequential Read and Write Operations: AT93C66W-10SC supports both sequential read and write operations, allowing for efficient data transfer.
• Software Protection: This chip offers software protection mechanisms to prevent unauthorized access or modification of stored data.
• Hardware Write Protection: AT93C66W-10SC includes hardware write protection features to safeguard against accidental data corruption.
• Self-Timed Programming Cycle: The programming cycle of this EEPROM chip is self-timed, simplifying the integration process into various electronic systems.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• High-density storage capacity in a compact package.
• Low power consumption extends battery life in portable devices.
• Fast access time enables quick data retrieval.
• Software and hardware protection mechanisms enhance data security.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively slower write speeds compared to volatile memory types.
• Higher cost per byte compared to some alternative memory solutions.

Working Principles

AT93C66W-10SC utilizes an electrically erasable programmable read-only memory (EEPROM) technology. It stores data by trapping electric charges within floating gate transistors. These charges can be manipulated using electrical signals to represent binary information. The stored data can be accessed and modified through specific control signals.

Detailed Application Field Plans

AT93C66W-10SC finds applications in various fields, including: 1. Automotive Electronics: Used for storing critical vehicle parameters, such as mileage, engine diagnostics, and configuration settings. 2. Industrial Control Systems: Employed in programmable logic controllers (PLCs) to store program instructions and configuration data. 3. Consumer Electronics: Integrated into devices like smart TVs, set-top boxes, and gaming consoles for storing user preferences, firmware updates, and encryption keys. 4. Medical Devices: Utilized in medical equipment to store patient data, calibration settings, and device configurations.

Detailed and Complete Alternative Models

1. AT93C46W-10SC: Similar to AT93C66W-10SC but with a smaller storage capacity of 2 kilobits (256 bytes).
2. AT93C86A-10SC: Offers a higher storage capacity of 16 kilobits (2 kilobytes) compared to AT93C66W-10SC.
3. AT25DF041A-SSH-T: An alternative flash memory chip with a capacity of 4 megabits (512 kilobytes), suitable for applications requiring larger storage space.

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