23A256-I/ST Product Overview

Introduction

The 23A256-I/ST is a versatile integrated circuit belonging to the category of serial EEPROM (Electrically Erasable Programmable Read-Only Memory) devices. This entry provides an in-depth overview of the 23A256-I/ST, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Serial EEPROM
• Use: Data storage and retrieval in various electronic systems
• Characteristics: Non-volatile, low power consumption, high reliability
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Data retention and retrieval
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Memory Size: 256 Kbit (32 Kbyte)
• 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 23A256-I/ST features an 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. No Connection (NC) 6. No Connection (NC) 7. Serial Data Output/Input (SO/I) 8. Power Supply (VCC)

Functional Features

• Byte and Page Write Modes
• Self-timed Write Cycle
• Enhanced ESD Protection
• Software Write Protection
• Sequential Read Operation

Advantages and Disadvantages

Advantages

• Low power consumption
• High reliability and endurance
• Wide operating voltage range
• Compact package size

Disadvantages

• Limited memory size compared to other EEPROMs
• Slower write speed compared to some competing models

Working Principles

The 23A256-I/ST operates based on the principles of EEPROM technology, utilizing electrically programmable memory cells to store and retrieve data. It employs the SPI interface for communication with the host system, allowing for efficient data transfer and manipulation.

Detailed Application Field Plans

The 23A256-I/ST finds extensive applications in various electronic systems, including but not limited to: - Consumer electronics - Industrial automation - Automotive systems - Medical devices - Communication equipment

Detailed and Complete Alternative Models

For users seeking alternatives to the 23A256-I/ST, several comparable serial EEPROM devices are available in the market, including: - AT24C256 - CAT24C256 - M24M02 - 25AA256

In conclusion, the 23A256-I/ST stands as a reliable and efficient serial EEPROM solution, catering to diverse data storage needs across multiple industries.

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