AT93C66W-10SI-1.8

Overview

Product Category

AT93C66W-10SI-1.8 belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

This product is commonly used in electronic devices for storing small amounts of non-volatile data, such as configuration settings or calibration data.

Characteristics

• Non-volatile: The stored data remains even when power is removed.
• Electrically erasable: The data can be erased and reprogrammed electronically.
• Small form factor: The chip is compact and suitable for integration into various electronic devices.
• Low power consumption: It operates efficiently with minimal power requirements.

Package

AT93C66W-10SI-1.8 is typically available in a small surface-mount package, making it suitable for automated assembly processes.

Essence

The essence of this product lies in its ability to provide reliable and non-volatile storage for critical data in electronic systems.

Packaging/Quantity

AT93C66W-10SI-1.8 is commonly packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Part Number: AT93C66W-10SI-1.8
• Memory Size: 4 kilobits (512 x 8 bits)
• Supply Voltage: 1.8V
• Operating Temperature Range: -40°C to +85°C
• Interface: Serial Peripheral Interface (SPI)
• Write Time: 5ms (typical)
• Data Retention: 100 years (minimum)

Detailed Pin Configuration

The AT93C66W-10SI-1.8 chip has a total of 8 pins, each serving a specific function:

1. Chip Select (/CS): Enables communication with the chip when set to a low logic level.
2. Serial Clock (SCK): Provides the clock signal for data transfer.
3. Serial Data Input (SI): Receives data from the external device during write operations.
4. Serial Data Output (SO): Transmits data from the chip to the external device during read operations.
5. Write Protect (/WP): When set to a low logic level, prevents write operations.
6. VCC: Power supply voltage (1.8V).
7. Ground (GND): Common ground reference.
8. Hold (/HOLD): Pauses ongoing operations when set to a low logic level.

Functional Features

• High-speed data transfer: The SPI interface allows for fast and efficient communication with the chip.
• Flexible write protection: The /WP pin can be used to protect the stored data from accidental modification.
• Low power consumption: The chip operates with minimal power requirements, making it suitable for battery-powered devices.
• Reliable data retention: The EEPROM technology ensures long-term data storage without degradation.

Advantages and Disadvantages

Advantages

• Non-volatile memory: Data remains intact even in the absence of power.
• Compact form factor: Suitable for space-constrained electronic devices.
• Easy integration: Compatible with standard serial interfaces.
• High data retention: Ensures long-term reliability of stored information.

Disadvantages

• Limited storage capacity: Suitable for small amounts of data only.
• Relatively slow write times compared to other memory technologies.
• Vulnerable to electromagnetic interference (EMI) due to its small size.

Working Principles

AT93C66W-10SI-1.8 utilizes EEPROM technology, which allows for electrically erasing and reprogramming data. The chip stores information in a grid of memory cells, each capable of holding one bit of data. During write operations, the data is programmed by applying specific voltage levels to the memory cells. The stored data can be read by accessing the cells and retrieving the voltage levels. The non-volatile nature of EEPROM ensures that the data remains intact even when power is removed.

Detailed Application Field Plans

AT93C66W-10SI-1.8 finds applications in various electronic devices, including but not limited to: - Consumer electronics: Used for storing configuration settings in TVs, set-top boxes, and audio equipment. - Automotive systems: Stores calibration data for engine control units (ECUs) and other vehicle modules. - Industrial automation: Used for parameter storage in programmable logic controllers (PLCs) and industrial sensors. - Medical devices: Stores critical calibration and patient-specific data in medical equipment.

Detailed and Complete Alternative Models

• AT93C46W-10SI-1.8: Similar to AT93C66W-10SI-1.8 but with a smaller memory size (2 kilobits).
• AT93C86W-10SI-1.8: Similar to AT93C66W-10SI-1.8 but with a larger memory size (16 kilobits).
• AT25