M34C02-WDW6T

Product Overview

Category

The M34C02-WDW6T belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

This chip is primarily used for non-volatile data storage in various electronic devices, such as microcontrollers, computers, and consumer electronics.

Characteristics

• Non-volatile: The M34C02-WDW6T retains stored data even when power is removed.
• Electrically erasable: Data can be erased and reprogrammed electronically.
• High storage capacity: This chip has a storage capacity of 2 kilobits (256 bytes).
• Low power consumption: The M34C02-WDW6T operates on low power, making it suitable for battery-powered devices.
• Wide operating voltage range: It can operate within a voltage range of 1.8V to 5.5V.

Package

The M34C02-WDW6T is available in a small surface-mount package (SO-8), which allows for easy integration into circuit boards.

Essence

The essence of the M34C02-WDW6T lies in its ability to store and retrieve data reliably, even in the absence of power. It provides a convenient and efficient solution for applications requiring non-volatile memory.

Packaging/Quantity

This chip is typically sold in reels or tubes, with each reel containing 2500 units.

Specifications

• Memory capacity: 2 kilobits (256 bytes)
• Operating voltage: 1.8V to 5.5V
• Operating temperature range: -40°C to +85°C
• Write endurance: 1 million write cycles
• Data retention: 40 years

Detailed Pin Configuration

The M34C02-WDW6T has eight pins arranged as follows:

1. VCC: Power supply voltage
2. SDA: Serial data input/output
3. SCL: Serial clock input
4. WP: Write protect (optional)
5. GND: Ground
6. NC: No connection
7. NC: No connection
8. NC: No connection

Functional Features

• Random access: Allows for reading and writing of individual bytes within the memory array.
• Byte write and page write modes: Provides flexibility in programming data.
• Hardware write protection: The WP pin can be used to protect the memory from accidental writes.
• Sequential read mode: Enables efficient retrieval of consecutive data bytes.

Advantages and Disadvantages

Advantages

• Non-volatile storage: Data is retained even without power.
• High endurance: Can withstand frequent write cycles.
• Small form factor: Compact package size allows for easy integration.
• Wide operating voltage range: Compatible with various electronic systems.

Disadvantages

• Limited storage capacity: 2 kilobits may not be sufficient for certain applications requiring larger memory.
• Relatively slower write speed compared to other memory technologies.

Working Principles

The M34C02-WDW6T utilizes a floating gate transistor structure to store data. When data is written, an electric charge is trapped in the floating gate, altering the transistor's behavior. This charge can be removed during the erasing process, allowing the transistor to return to its original state. The stored charge determines whether a memory cell represents a logical "0" or "1".

Detailed Application Field Plans

The M34C02-WDW6T finds application in various fields, including:

1. Embedded systems: Used for storing configuration data, firmware, and calibration parameters in microcontrollers.
2. Automotive electronics: Employed for storing vehicle-specific settings, such as seat positions and audio preferences.
3. Industrial automation: Utilized for storing production data, equipment settings, and user preferences.
4. Consumer electronics: Integrated into devices like smart TVs, set-top boxes, and gaming consoles to store user profiles and settings.

Detailed and Complete Alternative Models

1. M24C02-WMN6TP: Similar EEPROM chip with the same storage capacity but a different package (SO-8N).
2. AT24C02N-SH-T: EEPROM chip from Atmel with the same storage capacity and package (SO-8), compatible with I2C interface.
3. CAT24C02WI-GT3: EEPROM chip from ON Semiconductor with the same storage capacity and package (SO-8), featuring low power consumption.

These alternative models offer similar functionality and can be considered as substitutes for the M34C02-WDW6T in various applications.

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