AT93C46R-10SI-1.8

Overview

Product Category

AT93C46R-10SI-1.8 belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

The AT93C46R-10SI-1.8 chip is primarily used for non-volatile storage of data in various electronic devices, such as microcontrollers, automotive systems, and consumer electronics.

Characteristics

• Non-volatile: The stored data remains intact even when power is removed.
• Electrically erasable: Data can be erased and reprogrammed electronically.
• Small form factor: The chip is compact and suitable for integration into space-constrained devices.
• Low power consumption: It operates efficiently with minimal power requirements.
• High reliability: The chip offers robust performance and long-term data retention.

Package

AT93C46R-10SI-1.8 is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of AT93C46R-10SI-1.8 lies in its ability to provide reliable and non-volatile storage for critical data in electronic systems.

Packaging/Quantity

The chip is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Part Number: AT93C46R-10SI-1.8
• Memory Size: 1 kilobit (128 bytes)
• Operating Voltage: 1.8V
• Interface: Serial Peripheral Interface (SPI)
• Maximum Clock Frequency: 2 MHz
• Write Time: 5 ms (typical)
• Data Retention: 100 years (minimum)

Detailed Pin Configuration

The AT93C46R-10SI-1.8 chip has a total of 8 pins, which are assigned specific functions as follows:

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

• High-speed data transfer: The chip supports fast serial communication for efficient data transfer.
• Hardware write protection: It includes a write enable pin to prevent accidental modification of stored data.
• Sequential read operation: The chip allows sequential reading of multiple memory locations.
• Software and hardware controlled operations: It can be controlled through software commands or external signals.
• Self-timed programming cycle: The chip automatically manages the timing of write and erase operations.

Advantages and Disadvantages

Advantages

• Compact size enables integration into space-constrained devices.
• Low power consumption prolongs battery life in portable electronics.
• High reliability ensures long-term data retention.
• Easy interfacing with microcontrollers and other electronic systems.
• Cost-effective solution for non-volatile storage requirements.

Disadvantages

• Limited memory capacity compared to other storage technologies.
• Relatively slower write times compared to some alternatives.
• Susceptible to electromagnetic interference (EMI) due to its small form factor.

Working Principles

AT93C46R-10SI-1.8 operates based on the principles of EEPROM technology. It utilizes a floating gate transistor structure to store and retrieve data. When data needs to be written, an electrical charge is applied to the floating gate, altering its conductivity. This change in conductivity represents the stored data. To read the data, the conductivity of the floating gate is measured, allowing retrieval of the stored information.

Detailed Application Field Plans

The AT93C46R-10SI-1.8 chip finds applications in various fields, including:

1. Microcontrollers: It serves as non-volatile memory for program code storage and data logging.
2. Automotive Systems: Used for storing critical data, such as vehicle configuration settings and fault codes.
3. Consumer Electronics: Enables data storage in devices like smartwatches, digital cameras, and home appliances.

Detailed and Complete Alternative Models

1. AT93C46R-10SU-2.7: Similar to AT93C46R-10SI-1.8 but operates at a higher voltage of 2.7V.
2. AT93C46R-10SC-2.5: Offers the same functionality but comes in a different package (SOIC narrow).
3. AT93C46R-10PI-2.5: DIP package variant suitable for through-hole mounting.

These alternative models provide flexibility in terms of voltage compatibility and packaging options while maintaining similar functionality to AT93C46R-10SI-1.8.

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