DS2433AX-S+TW

Product Overview

• Category: Integrated Circuit
• Use: Memory Chip
• Characteristics: Non-volatile, One-Wire Interface
• Package: SOT-23
• Essence: Serial EEPROM
• Packaging/Quantity: Tape & Reel, 3000 pieces per reel

Specifications

• Memory Size: 4KB
• Operating Voltage: 2.8V to 5.25V
• Data Transfer Rate: 15.4kbps (standard mode), 125kbps (overdrive mode)
• Temperature Range: -40°C to +85°C
• Write Endurance: 1 million cycles
• Data Retention: Up to 100 years

Pin Configuration

The DS2433AX-S+TW has a total of 6 pins:

1. VCC: Power supply input
2. GND: Ground connection
3. DQ: Data input/output pin for the one-wire interface
4. NC: No connection
5. NC: No connection
6. NC: No connection

Functional Features

• One-Wire Interface: Allows communication with the chip using only a single data line.
• Non-Volatile Memory: Retains data even when power is removed.
• Unique Factory-Lasered 64-Bit Identification Code: Ensures device authenticity and enables multiple devices on the same bus.

Advantages

• Compact Package: SOT-23 package allows for space-saving integration into various electronic devices.
• Low Power Consumption: Operates at low voltage and consumes minimal power during read/write operations.
• High Data Security: Built-in 64-bit identification code prevents unauthorized access to stored data.

Disadvantages

• Limited Memory Capacity: With a maximum capacity of 4KB, it may not be suitable for applications requiring larger storage.
• Slower Data Transfer Rate: The standard mode data transfer rate of 15.4kbps may be slower compared to other memory chips.

Working Principles

The DS2433AX-S+TW utilizes a one-wire interface, which enables communication with the chip using a single data line. It operates as a non-volatile memory chip, storing and retrieving data even when power is removed. The unique 64-bit identification code ensures device authenticity and allows multiple devices to coexist on the same bus.

Detailed Application Field Plans

The DS2433AX-S+TW finds applications in various fields, including:

1. Smart Cards: Used for secure storage of sensitive information such as authentication keys.
2. Industrial Control Systems: Provides non-volatile memory for storing configuration data and calibration parameters.
3. Medical Devices: Stores patient-specific data and settings in portable medical devices.
4. Automotive Electronics: Used for storing vehicle-specific data, such as mileage and maintenance records.

Alternative Models

• DS2433: Similar specifications and features, but available in a different package (TO-92).
• DS28E01: Offers higher memory capacity (1-wire EEPROM with 1Kb memory).

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