AT93C46-10SI

Product Overview

Category

AT93C46-10SI 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

• Electrically erasable: The AT93C46-10SI can be erased and reprogrammed electronically, making it convenient for data storage.
• Non-volatile: The stored data remains intact even when power is removed.
• Small package size: The chip comes in a compact SOIC-8 package, allowing for space-efficient integration into electronic circuits.
• Low power consumption: The AT93C46-10SI operates on low power, making it suitable for battery-powered devices.

Package and Quantity

The AT93C46-10SI is packaged in a Small Outline Integrated Circuit (SOIC) package. It is typically sold in reels containing a quantity of 2500 units.

Specifications

• Memory capacity: 1 kilobit (128 bytes)
• Operating voltage: 2.5V - 5.5V
• Operating temperature range: -40°C to +85°C
• Write cycle endurance: 1 million cycles
• Data retention: 100 years

Pin Configuration

The AT93C46-10SI has 8 pins arranged as follows:

```

---

| | | U | |___________|

Pin Configuration:

  1  2  3  4
 ___________
|           |
|   8-Pin   |
|   SOIC    |
|___________|

1. Chip Select (CS)
2. Serial Clock (CLK)
3. Serial Data Input/Output (DI/DO)
4. Ground (GND)
5. NC (No Connection)
6. NC (No Connection)
7. Power Supply (VCC)
8. Write Protect (WP)

```

Functional Features

• High-speed serial interface: The AT93C46-10SI supports a fast serial communication protocol, enabling efficient data transfer.
• Byte-level read and write operations: It allows individual bytes to be read from or written to the memory, providing flexibility in data manipulation.
• Built-in write protection: The chip includes a write protect pin (WP) that can be used to prevent accidental modification of stored data.

Advantages and Disadvantages

Advantages

• Compact size and low power consumption make it suitable for integration into various electronic devices.
• Electrically erasable feature allows for easy reprogramming without the need for physical removal.
• High endurance and long data retention ensure reliable data storage.

Disadvantages

• Limited memory capacity compared to other EEPROM chips.
• Relatively higher cost per kilobit of storage compared to alternative non-volatile memory technologies.

Working Principles

The AT93C46-10SI utilizes an electrically erasable technology based on floating gate transistors. When data is written, charges are trapped in the floating gate, altering the transistor's behavior. These charges can be removed during the erase operation, allowing the transistor to return to its original state. The stored data can be accessed by sending appropriate commands through the serial interface.

Detailed Application Field Plans

The AT93C46-10SI finds applications in various fields, including: 1. Automotive electronics: Used for storing vehicle configuration data, mileage information, and security-related parameters. 2. Industrial control systems: Employed for storing calibration data, device settings, and production parameters. 3. Consumer electronics: Used in devices like smart TVs, set-top boxes, and gaming consoles for storing user preferences and system configurations.

Detailed and Complete Alternative Models

1. AT93C46-10PI: Similar to the AT93C46-10SI, but packaged in a DIP-8 package instead of SOIC-8.
2. AT93C66A-10SU-2.7: Higher capacity EEPROM chip with 4 kilobits of memory and an extended operating temperature range.

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