Encyclopedia Entry: 23K256T-I/ST

Product Overview

• Category: Integrated Circuit (IC)
• Use: Data Storage
• Characteristics: Non-volatile, Serial EEPROM
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: High-capacity memory storage solution
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

The 23K256T-I/ST is a serial EEPROM IC that offers non-volatile data storage capabilities. It belongs to the category of integrated circuits and is primarily used for storing digital information in various electronic devices. The IC comes in a Small Outline Integrated Circuit (SOIC) package, which ensures easy integration into circuit boards.

Detailed Pin Configuration

The 23K256T-I/ST features a total of eight pins, each serving a specific purpose. The pin configuration is as follows:

1. Chip Select (CS): Enables communication with the IC when set to a low logic level.
2. Serial Clock (SCK): Provides the clock signal for synchronous communication.
3. Serial Data Input (SI): Transfers data from the microcontroller to the IC.
4. Serial Data Output (SO): Sends data from the IC to the microcontroller.
5. Write Protect (WP): Allows write protection when set to a low logic level.
6. Hold (HOLD): Pauses ongoing operations when set to a low logic level.
7. VCC: Power supply input (+3.3V or +5V).
8. Ground (GND): Common ground reference.

Functional Features

The 23K256T-I/ST offers several functional features that make it a versatile choice for data storage applications. These include: - High Capacity: With a storage capacity of 256 kilobits (32 kilobytes), it provides ample space for storing data. - Non-volatile Memory: The IC retains stored data even when power is disconnected, ensuring data integrity. - Serial Interface: It utilizes a simple serial interface, making it compatible with a wide range of microcontrollers. - Low Power Consumption: The IC operates at low power levels, making it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages: - High storage capacity allows for extensive data storage. - Non-volatile memory ensures data retention even during power loss. - Simple serial interface facilitates easy integration into various systems. - Low power consumption prolongs battery life in portable devices.

Disadvantages: - Limited write endurance compared to other memory technologies. - Relatively slower read/write speeds compared to some alternative models.

Working Principles

The 23K256T-I/ST operates based on the principles of EEPROM (Electrically Erasable Programmable Read-Only Memory). It uses an array of floating-gate transistors to store digital information. Data can be written to or read from the IC using a serial communication protocol. The IC employs internal circuitry to manage data storage and retrieval operations efficiently.

Detailed Application Field Plans

The 23K256T-I/ST finds applications in various fields where non-volatile data storage is required. Some detailed application field plans include: 1. Consumer Electronics: Used in smart TVs, set-top boxes, and audio/video recorders for storing user preferences and settings. 2. Industrial Automation: Employed in programmable logic controllers (PLCs) to store configuration parameters and logged data. 3. Automotive Systems: Integrated into automotive electronics for storing critical data such as mileage, fault codes, and calibration values. 4. Medical Devices: Utilized in medical equipment for storing patient data, device configurations, and firmware updates.

Detailed and Complete Alternative Models

1. 25LC256: A similar serial EEPROM IC with a capacity of 256 kilobits. Offers faster read/write speeds compared to the 23K256T-I/ST.
2. AT24C256: Another serial EEPROM IC with a capacity of 256 kilobits. Features an I2C interface, suitable for applications requiring multi-device communication.

In conclusion, the 23K256T-I/ST is a high-capacity serial EEPROM IC that provides non-volatile data storage capabilities. Its simple interface, low power consumption, and versatile application field plans make it a popular choice in various electronic devices. However, it is important to consider alternative models based on specific requirements such as speed and interface compatibility.