DS2433S+T&R

Product Overview

• Category: Integrated Circuit
• Use: Memory Chip
• Characteristics: Non-volatile, One-wire Interface
• Package: SOT-23
• Essence: 4Kb EEPROM
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Memory Size: 4 Kilobits (512 bytes)
• Interface: One-Wire
• Operating Voltage: 2.8V to 5.25V
• Operating Temperature Range: -40°C to +85°C
• Write Cycle Endurance: 1 Million Cycles
• Data Retention: Up to 100 Years

Detailed Pin Configuration

The DS2433S+T&R has a total of three pins:

1. VCC: Power supply pin (+2.8V to +5.25V)
2. GND: Ground pin (0V reference)
3. DQ: Data pin (One-wire interface)

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 Serial Number: Provides a unique identifier for each chip.
• Overdrive Mode Support: Enables faster data transfer rates.

Advantages and Disadvantages

Advantages: - Compact package size allows for space-efficient designs. - Low power consumption extends battery life in portable devices. - One-wire interface simplifies circuit design and reduces wiring complexity.

Disadvantages: - Limited memory capacity compared to other EEPROM chips. - Slower data transfer rate compared to some other memory technologies.

Working Principles

The DS2433S+T&R is an Electrically Erasable Programmable Read-Only Memory (EEPROM) chip. It utilizes a one-wire interface, which allows communication with the chip using only a single data line. The chip stores data in non-volatile memory cells, meaning the data is retained even when power is removed. The unique factory-lasered 64-bit serial number provides a way to identify each individual chip.

Detailed Application Field Plans

The DS2433S+T&R is commonly used in various applications, including:

1. Identification Systems: The unique serial number makes it suitable for use in identification systems, such as access control or asset tracking.
2. Data Logging: The non-volatile memory and low power consumption make it ideal for storing small amounts of data in battery-powered devices.
3. Sensor Calibration: The chip can be used to store calibration data for sensors, ensuring accurate measurements over time.
4. Security Systems: The one-wire interface simplifies integration into security systems, such as authentication tokens or secure storage devices.

Detailed and Complete Alternative Models

• DS2431: 1024-bit EEPROM with similar features but lower memory capacity.
• DS28E01: 1-Wire EEPROM with additional features like a real-time clock and temperature sensor.
• AT24C04: I2C-compatible EEPROM with higher memory capacity but requires more pins for communication.

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