24CW640-I/SN

Product Overview

Category

The 24CW640-I/SN belongs to the category of Serial EEPROM (Electrically Erasable Programmable Read-Only Memory) chips.

Use

This product is primarily used for non-volatile data storage in various electronic devices, such as microcontrollers, sensors, and communication modules.

Characteristics

• Non-volatile memory: Retains data even when power is disconnected.
• High storage capacity: The 24CW640-I/SN has a capacity of 64 kilobits (8 kilobytes).
• Serial interface: Communicates using the I2C (Inter-Integrated Circuit) protocol.
• Low power consumption: Operates at low voltage levels, making it suitable for battery-powered devices.

Package

The 24CW640-I/SN is available in an SOIC (Small Outline Integrated Circuit) package. It features a compact design that facilitates easy integration into circuit boards.

Essence

The essence of the 24CW640-I/SN lies in its ability to provide reliable and efficient non-volatile data storage in a compact form factor.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each reel containing a specific quantity of chips. The exact packaging and quantity may vary depending on the manufacturer's specifications.

Specifications

• Memory Capacity: 64 kilobits (8 kilobytes)
• Interface: I2C (Inter-Integrated Circuit)
• Supply Voltage: 1.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Endurance: 1 million cycles
• Data Retention: 200 years

Detailed Pin Configuration

The 24CW640-I/SN has a total of 8 pins, which are assigned specific functions:

1. VCC: Power supply input
2. SDA: Serial data input/output for I2C communication
3. SCL: Serial clock input for I2C communication
4. WP: Write Protect pin for hardware protection
5. A0: Address bit 0 for device addressing
6. A1: Address bit 1 for device addressing
7. A2: Address bit 2 for device addressing
8. GND: Ground reference

Functional Features

• Byte and Page Write: Allows individual byte or page-level data writing.
• Sequential Read: Enables sequential reading of stored data.
• Software Write Protection: Provides software-based protection against accidental writes.
• Hardware Write Protection: Supports hardware-based write protection using the WP pin.

Advantages and Disadvantages

Advantages

• High storage capacity for a wide range of applications.
• Low power consumption, suitable for battery-powered devices.
• Compact form factor for easy integration into circuit boards.
• Reliable non-volatile data storage.

Disadvantages

• Limited write endurance (1 million cycles).
• Requires an I2C interface for communication.

Working Principles

The 24CW640-I/SN utilizes EEPROM technology to store and retrieve data. It employs a floating gate transistor structure that allows for electrically erasing and programming data. The I2C interface facilitates communication with the host device, enabling read and write operations.

Detailed Application Field Plans

The 24CW640-I/SN finds applications in various fields, including but not limited to: - Consumer electronics - Industrial automation - Automotive systems - Medical devices - Internet of Things (IoT) devices

Detailed and Complete Alternative Models

Some alternative models to the 24CW640-I/SN include: - 24AA64-I/SN: Similar specifications but with a lower storage capacity of 64 bytes. - 24LC256-I/SN: Higher storage capacity of 256 kilobits (32 kilobytes) with the same I2C interface.

These alternative models provide options for different storage requirements while maintaining compatibility with the I2C protocol.

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