AT93C46D-TH-T

Product Overview

Category

AT93C46D-TH-T 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, automotive systems, and consumer electronics.

Characteristics

• Non-volatile: The data stored in AT93C46D-TH-T is retained even when power is removed.
• Electrically erasable: The memory can be erased and reprogrammed electronically.
• Small form factor: The chip is compact and suitable for space-constrained applications.
• Low power consumption: AT93C46D-TH-T operates efficiently with minimal power requirements.

Package

AT93C46D-TH-T is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of AT93C46D-TH-T lies in its ability to provide reliable and non-volatile data storage in a compact form factor, making it an essential component in many electronic devices.

Packaging/Quantity

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

Specifications

• Memory Size: 1Kbit
• Organization: 128 x 8 or 64 x 16
• Supply Voltage: 2.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Interface: Serial I2C
• Write Time: 5ms (maximum)
• Data Retention: 100 years (minimum)

Detailed Pin Configuration

AT93C46D-TH-T has a total of 8 pins, each serving a specific function:

1. Chip Select (/CS): Enables communication with the chip.
2. Serial Clock (SCK): Provides the clock signal for data transfer.
3. Serial Data Input (DI): Receives data from the external device.
4. Serial Data Output (DO): Transmits data to the external device.
5. Write Protect (/WP): Allows write protection when connected to VCC or GND.
6. VCC: Power supply input.
7. Ground (GND): Common ground reference.
8. Not Connected (NC): Unused pin.

Functional Features

• High-speed data transfer: AT93C46D-TH-T supports fast serial communication, allowing for efficient data transfer.
• Built-in write protection: The chip includes a write protect feature that prevents accidental modification of stored data.
• Low power consumption: This product is designed to operate with minimal power requirements, making it suitable for battery-powered devices.
• Extended temperature range: AT93C46D-TH-T can withstand a wide temperature range, making it suitable for various environments.

Advantages and Disadvantages

Advantages

• Compact size allows for easy integration into space-constrained designs.
• Non-volatile memory ensures data retention even during power loss.
• High-speed data transfer enables quick access to stored information.
• Built-in write protection prevents unauthorized modifications.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively slower write times compared to some alternative models.
• Sensitive to electrostatic discharge (ESD), requiring proper handling during installation.

Working Principles

AT93C46D-TH-T utilizes electrically erasable programmable read-only memory (EEPROM) technology. It stores data by trapping electrical charges within its memory cells. These charges represent binary values, which can be read, erased, and reprogrammed electronically.

The chip communicates with an external device using the I2C interface. The data transfer occurs in a serial manner, with clock signals synchronizing the communication between the chip and the device.

Detailed Application Field Plans

AT93C46D-TH-T finds applications in various fields, including:

1. Microcontrollers: Used for storing configuration data, calibration values, and firmware updates.
2. Automotive Systems: Employed in vehicle electronic control units (ECUs) for storing critical information, such as mileage, fault codes, and security keys.
3. Consumer Electronics: Integrated into devices like smart TVs, set-top boxes, and gaming consoles to store user preferences, settings, and log data.

Detailed and Complete Alternative Models

1. AT93C66D-TH-T: Similar to AT93C46D-TH-T but with a larger memory size of 4Kbit.
2. AT24C02C-TH-T: An alternative EEPROM chip with a capacity of 2Kbit and compatible with the I2C interface.
3. CAT24C256WI-GT3: A higher-capacity EEPROM chip with 256Kbit storage and an extended temperature range.

These alternative models offer different memory capacities and features, allowing users to choose the most suitable option for their specific requirements.

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