Encyclopedia Entry: 93C46C-I/P

Product Overview

Category

The 93C46C-I/P belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

This chip is commonly used for non-volatile data storage in various electronic devices, such as microcontrollers, automotive systems, consumer electronics, and industrial applications.

Characteristics

• Non-volatile: The 93C46C-I/P retains stored data even when power is removed.
• Electrically erasable: The chip allows for easy modification and erasure of stored data through electrical signals.
• Low power consumption: It operates efficiently with minimal power requirements.
• Small form factor: The chip is compact and can be easily integrated into different electronic systems.

Package and Quantity

The 93C46C-I/P is available in a DIP (Dual In-line Package) format. Each package contains one chip.

Specifications

• Memory capacity: 1 kilobit (128 bytes)
• Operating voltage: 2.5V to 5.5V
• Data retention: Up to 200 years
• Write endurance: 1 million write cycles
• Operating temperature range: -40°C to +85°C

Pin Configuration

The 93C46C-I/P has a total of 8 pins, which are assigned specific functions: 1. Chip Select (/CS): Enables or disables the chip for communication. 2. Serial Clock (CLK): Controls the timing of data transfer. 3. Serial Data Input (DI): Receives data for programming or reading. 4. Serial Data Output (DO): Transmits data during reading operations. 5. Write Enable (/W): Enables or disables write operations. 6. VCC: Power supply input (+2.5V to +5.5V). 7. Ground (GND): Electrical ground reference. 8. NC: No connection (unused pin).

Functional Features

• High-speed data transfer: The chip supports fast serial communication for efficient data transfer.
• Built-in write protection: It includes a write enable pin to prevent accidental modifications.
• Sequential read capability: Allows consecutive reading of stored data.
• Software and hardware compatibility: The 93C46C-I/P is compatible with various microcontrollers and programming tools.

Advantages

• Compact size and low power consumption make it suitable for portable devices.
• Easy integration into existing electronic systems due to its standard package format.
• High data retention and endurance ensure reliable long-term storage.
• Compatibility with different voltage levels enhances versatility.

Disadvantages

• Limited memory capacity compared to other EEPROM chips.
• Relatively slower write speed compared to some newer memory technologies.

Working Principles

The 93C46C-I/P utilizes an electrically erasable technology based on floating gate transistors. Data is stored in memory cells by trapping or releasing electrons in the floating gate, which alters the transistor's conductive properties. Reading, writing, and erasing operations are performed through specific electrical signals applied to the chip's pins.

Application Field Plans

The 93C46C-I/P finds applications in various fields, including: 1. Automotive systems: Used for storing critical vehicle data, such as mileage, calibration settings, and security information. 2. Consumer electronics: Integrated into devices like smart TVs, set-top boxes, and gaming consoles for configuration and firmware storage. 3. Industrial automation: Employed in programmable logic controllers (PLCs) and industrial control systems for parameter storage and system configuration.

Alternative Models

For similar functionality, alternative models to the 93C46C-I/P include: - 93C56C-I/P: Offers higher memory capacity (2 kilobits) within the same package format. - 93C86C-I/P: Provides even greater memory capacity (8 kilobits) with extended temperature range.

In conclusion, the 93C46C-I/P is a compact and versatile EEPROM chip used for non-volatile data storage in various electronic applications. Its small form factor, low power consumption, and compatibility make it an ideal choice for many devices requiring reliable data retention.

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