23A256T-I/SN Product Overview

Introduction

The 23A256T-I/SN is a versatile integrated circuit belonging to the category of serial EEPROM (Electrically Erasable Programmable Read-Only Memory). This component offers a wide range of applications and features, making it an essential part of various electronic devices.

Basic Information Overview

• Category: Serial EEPROM
• Use: Data storage and retrieval in electronic devices
• Characteristics: Non-volatile, low power consumption, high reliability
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Reliable data storage and retrieval
• Packaging/Quantity: Available in tape and reel packaging, quantity varies by supplier

Specifications

• Memory Size: 256 Kbit
• Interface: SPI (Serial Peripheral Interface)
• Operating Voltage: 1.7V to 5.5V
• Operating Temperature Range: -40°C to 85°C
• Write Endurance: 1,000,000 cycles
• Data Retention: 200 years

Detailed Pin Configuration

The 23A256T-I/SN features a standard 8-pin SOIC package with the following pin configuration: 1. Chip Select (/CS) 2. Serial Clock (SCK) 3. Serial Data Input/Output (SI/O) 4. Ground (GND) 5. Write Protect (/WP) 6. VCC (Power Supply) 7. Hold (/HOLD) 8. Not Connected (NC)

Functional Features

• High-Speed Performance: Supports clock frequencies up to 10 MHz for fast data transfer.
• Flexible Write Protection: The /WP pin allows for hardware-based write protection, enhancing data security.
• Low Power Consumption: Operates with minimal power requirements, suitable for battery-powered devices.
• Reliable Data Retention: Ensures long-term data integrity with a retention period of up to 200 years.

Advantages and Disadvantages

Advantages

• High-speed data transfer
• Low power consumption
• Long-term data retention
• Flexible write protection

Disadvantages

• Limited memory size compared to larger EEPROM variants
• Requires external components for interfacing in some applications

Working Principles

The 23A256T-I/SN utilizes the SPI interface to communicate with the host system. It stores and retrieves data through a series of commands, enabling seamless integration into various electronic devices. The non-volatile nature of the memory ensures that stored data remains intact even when the power is removed.

Detailed Application Field Plans

The 23A256T-I/SN finds extensive use in the following application fields: - Consumer electronics - Industrial automation - Automotive systems - Medical devices - Communication equipment

Detailed and Complete Alternative Models

For applications requiring different specifications or form factors, alternative models to consider include: - 24C256 (I2C interface, similar capacity) - 25AA256 (SPI interface, similar capacity) - AT24C256 (I2C interface, similar capacity)

In conclusion, the 23A256T-I/SN serial EEPROM offers reliable data storage and retrieval capabilities, making it an indispensable component in a wide range of electronic devices.

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