M93C66-WDW6TP

Product Overview

Category

The M93C66-WDW6TP 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 M93C66-WDW6TP retains stored data even when power is removed.
• High density: This chip offers a storage capacity of 4 kilobits (512 bytes).
• Low power consumption: It operates at low voltage levels, making it suitable for battery-powered devices.
• Fast operation: The M93C66-WDW6TP provides high-speed read and write operations.
• Reliable: It has a high endurance rating and can withstand numerous read/write cycles.
• Compact package: The chip is available in a small surface-mount package, making it easy to integrate into various designs.

Package and Quantity

The M93C66-WDW6TP is typically packaged in a 8-pin SOIC (Small Outline Integrated Circuit) package. It is commonly supplied in reels or tubes, with quantities varying depending on the manufacturer's specifications.

Specifications

• Memory Capacity: 4 kilobits (512 bytes)
• Supply Voltage: 1.8V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Interface: Serial I2C (Inter-Integrated Circuit)
• Write Time: 5 ms (maximum)
• Data Retention: 200 years (minimum)

Detailed Pin Configuration

The M93C66-WDW6TP features an 8-pin SOIC package with the following pin configuration:

1. Chip Select (/CS): Enables communication with the chip when pulled low.
2. Serial Clock (SCK): Provides the clock signal for data transfer.
3. Serial Data Input (SDI): Used to input data during write operations.
4. Serial Data Output (SDO): Outputs data during read operations.
5. Write Protect (/WP): When pulled low, prevents write operations.
6. VCC: Power supply voltage.
7. Ground (GND): Common ground reference.
8. Serial Data Out (SDO): Outputs data during read operations.

Functional Features

• Byte and Page Write Operations: The M93C66-WDW6TP supports both byte-level and page-level write operations, allowing flexible data storage.
• Software Protection: It provides a write protection feature that can be enabled to prevent accidental modification of stored data.
• Sequential Read: The chip allows sequential read operations, enabling efficient retrieval of stored information.
• Self-Timed Programming Cycle: The M93C66-WDW6TP automatically manages the programming cycle, simplifying the integration process.

Advantages and Disadvantages

Advantages

• Compact size and easy integration into various electronic designs.
• High endurance and reliability.
• Low power consumption, suitable for battery-powered devices.
• Flexible write operations at both byte and page levels.
• Software protection feature for data security.

Disadvantages

• Limited storage capacity compared to higher-density EEPROM chips.
• Requires an external microcontroller or interface to access and manipulate stored data.

Working Principles

The M93C66-WDW6TP utilizes electrically erasable programmable read-only memory technology. It stores data in a matrix of floating-gate transistors, which can be electrically programmed and erased. During write operations, the desired data is transferred serially and stored in the memory cells. Reading data involves sequentially accessing the memory cells and retrieving the stored information.

Detailed Application Field Plans

The M93C66-WDW6TP finds applications in various fields, including:

1. Microcontrollers: Used for storing firmware, configuration data, and calibration parameters.
2. Automotive Systems: Employed in electronic control units (ECUs) for storing vehicle-specific data, such as VIN numbers and mileage information.
3. Consumer Electronics: Integrated into devices like smart TVs, set-top boxes, and audio systems for storing user preferences and settings.
4. Industrial Applications: Utilized in industrial automation systems for storing critical data, such as sensor calibration values and production parameters.

Detailed and Complete Alternative Models

• M93C66-WMN6TP: Similar to the M93C66-WDW6TP, but packaged in a 8-pin PDIP (Plastic Dual In-line Package).
• M93C66-RMN6TP: Offers the same functionality as the M93C66-WDW6TP but operates at an extended temperature range of -40°C to +125°C.
• M93C66-WBN6TP: Provides a wider supply voltage range of 1.7V to 5.5V, making it suitable for low-power applications.

These alternative