AT93C66-10TI-1.8

Overview

Product Category

AT93C66-10TI-1.8 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 AT93C66-10TI-1.8 remains even when power is removed.
• Electrically erasable: The memory can be erased and reprogrammed electronically.
• Small package size: AT93C66-10TI-1.8 is available in a compact package, making it suitable for space-constrained applications.
• Low power consumption: This chip operates at low power levels, ensuring energy efficiency.

Package and Quantity

AT93C66-10TI-1.8 is typically packaged in a small surface-mount package, such as a Thin Small Outline Package (TSOP). It is commonly available in reels or tubes containing multiple units.

Specifications

• Part Number: AT93C66-10TI-1.8
• Memory Size: 4 kilobits (512 x 8 bits)
• Operating Voltage: 1.8V
• Speed: 10 MHz (maximum)
• Interface: Serial Peripheral Interface (SPI)
• Temperature Range: -40°C to +85°C

Pin Configuration

The AT93C66-10TI-1.8 chip has eight pins, which are assigned specific functions:

1. Chip Select (/CS): Enables communication with the chip.
2. Serial Clock (SCK): Provides the clock signal for data transfer.
3. Serial Data Input (SI): Transfers data from the microcontroller to the chip.
4. Serial Data Output (SO): Transfers data from the chip to the microcontroller.
5. Write Protect (/WP): Enables or disables write operations.
6. VCC: Power supply voltage (1.8V).
7. Ground (GND): Common ground reference.
8. Hold (/HOLD): Pauses ongoing operations.

Functional Features

• Byte-level Read and Write Operations: AT93C66-10TI-1.8 allows individual bytes of data to be read from or written to the memory.
• Sequential Read: The chip supports sequential reading of multiple bytes, enabling efficient data retrieval.
• Software Protection: The write protect feature prevents accidental modification of stored data.
• High Reliability: AT93C66-10TI-1.8 offers excellent data retention and endurance characteristics, ensuring reliable long-term storage.

Advantages and Disadvantages

Advantages

• Compact size and low power consumption make it suitable for portable devices.
• Easy integration with microcontrollers through the SPI interface.
• Reliable data storage with high endurance and retention capabilities.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Slower write speeds compared to some alternative models.

Working Principles

AT93C66-10TI-1.8 utilizes EEPROM technology, which allows for non-volatile data storage. It employs a floating gate transistor structure that can be electrically programmed and erased. Data is stored in memory cells by trapping charge on the floating gate, which alters the transistor's behavior. This trapped charge can be manipulated using electrical signals to modify the stored data.

Application Field Plans

AT93C66-10TI-1.8 finds applications in various fields, including: - Automotive electronics: Used for storing configuration data, calibration parameters, and fault codes in automotive control units. - Industrial automation: Employed for storing device configurations, user settings, and production data in programmable logic controllers (PLCs). - Consumer electronics: Utilized in devices like smart TVs, set-top boxes, and gaming consoles for firmware storage and data logging.

Alternative Models

Several alternative models with similar functionality to AT93C66-10TI-1.8 are available in the market. Some notable alternatives include: - AT93C46-10PI-2.7: A lower capacity variant with 1 kilobit memory size. - AT93C86A-10SU-2.5: A higher capacity variant with 16 kilobits memory size. - CAT93C57VI-TE13: An alternative from a different manufacturer with comparable specifications.

In conclusion, AT93C66-10TI-1.8 is a compact and reliable EEPROM chip used for non-volatile data storage in various electronic devices. Its small package size, low power consumption, and byte-level read/write operations make it suitable for a wide range of applications. However, its limited storage capacity and slower write speeds should be considered when selecting an appropriate memory solution.

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