AT21CS01-STUM17-T

Product Overview

Category

AT21CS01-STUM17-T belongs to the category of integrated circuits (ICs).

Use

This product is primarily used for non-volatile memory storage and data protection in various electronic devices.

Characteristics

• Non-volatile memory: The AT21CS01-STUM17-T retains stored data even when power is removed.
• High capacity: This IC has a storage capacity of 1 kilobit (128 bytes).
• Low power consumption: It operates at low voltage and consumes minimal power.
• Small form factor: The AT21CS01-STUM17-T is designed to be compact, making it suitable for space-constrained applications.

Package

The AT21CS01-STUM17-T is available in a surface-mount package.

Essence

The essence of this product lies in its ability to provide reliable and secure non-volatile memory storage for electronic devices.

Packaging/Quantity

The AT21CS01-STUM17-T is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Memory Type: Non-volatile EEPROM
• Memory Size: 1 kilobit (128 bytes)
• Interface: I2C
• Operating Voltage: 1.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: Up to 100 years
• Write Endurance: 1 million write cycles

Detailed Pin Configuration

The AT21CS01-STUM17-T has a total of 8 pins, which are as follows:

1. VCC: Power supply input
2. GND: Ground reference
3. SDA: Serial data input/output for I2C communication
4. SCL: Serial clock input for I2C communication
5. WP: Write protect pin for hardware protection
6. A0: Address bit 0 for device addressing
7. A1: Address bit 1 for device addressing
8. NC: No connection (unused pin)

Functional Features

• Non-volatile storage: The AT21CS01-STUM17-T provides reliable data storage even in the absence of power.
• I2C interface: It supports easy integration with microcontrollers and other devices using the widely-used I2C protocol.
• Hardware write protection: The WP pin allows for hardware-based protection against accidental or unauthorized writes to the memory.
• High endurance: With a write endurance of 1 million cycles, this IC ensures long-term reliability.

Advantages and Disadvantages

Advantages

• Compact size enables usage in space-constrained applications.
• Low power consumption prolongs battery life in portable devices.
• High data retention ensures long-term reliability.
• Easy integration with microcontrollers through the I2C interface.

Disadvantages

• Limited storage capacity may not be suitable for applications requiring large amounts of data storage.
• Lack of additional security features such as encryption or authentication.

Working Principles

The AT21CS01-STUM17-T utilizes EEPROM technology to store data. It employs a floating gate transistor structure that allows for non-volatile storage of information. When data is written, charges are trapped in the floating gate, preserving the stored information even when power is removed. The I2C interface facilitates communication between the IC and external devices, enabling read and write operations.

Detailed Application Field Plans

The AT21CS01-STUM17-T finds application in various electronic devices, including but not limited to: - Smartphones and tablets - Wearable devices - Internet of Things (IoT) devices - Industrial control systems - Automotive electronics

In these applications, the AT21CS01-STUM17-T can be used for storing critical data such as device configurations, encryption keys, user settings, and calibration data.

Detailed and Complete Alternative Models

• AT21CS01-SSHM-T: Similar to the AT21CS01-STUM17-T, but available in a different package (SOT23-6).
• AT21CS01-SHM-B: Another alternative with the same functionality, but offered in a different package (SOIC-8).

These alternative models provide flexibility in terms of package options while maintaining the core features and specifications of the AT21CS01-STUM17-T.

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