25AA020AT-I/ST

Product Overview

Category

The 25AA020AT-I/ST belongs to the category of serial EEPROM (Electrically Erasable Programmable Read-Only Memory) integrated circuits.

Use

This product is commonly used for non-volatile data storage in various electronic devices, including consumer electronics, industrial equipment, and automotive applications.

Characteristics

• Non-volatile memory
• Serial interface
• Low power consumption
• Small form factor
• High reliability

Package

The 25AA020AT-I/ST is typically available in a small surface-mount package, such as SOIC (Small Outline Integrated Circuit) or TSSOP (Thin Shrink Small Outline Package).

Essence

The essence of this product lies in its ability to store and retrieve data reliably in a wide range of operating conditions while consuming minimal power.

Packaging/Quantity

The 25AA020AT-I/ST is often supplied in tape and reel packaging, with quantities varying based on customer requirements.

Specifications

• Memory Capacity: 2 Kbits
• Interface: SPI (Serial Peripheral Interface)
• Operating Voltage: 1.8V 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 25AA020AT-I/ST typically features an 8-pin configuration, including power supply pins, SPI communication pins, and write protection pins. A detailed pinout diagram can be found in the product datasheet.

Functional Features

• Byte and Page Write Modes
• Sequential Read Functionality
• Software and Hardware Write Protection
• Self-Timed Write Cycle
• Unrestricted Read Operations

Advantages and Disadvantages

Advantages

• Low power consumption
• Compact form factor
• High reliability and endurance
• Wide operating voltage range

Disadvantages

• Limited storage capacity compared to larger EEPROMs
• Slower write speeds compared to some other non-volatile memory technologies

Working Principles

The 25AA020AT-I/ST operates by utilizing the SPI interface to communicate with the host microcontroller or system. It stores data using electrically programmable and erasable memory cells, allowing for non-volatile data retention even when power is removed.

Detailed Application Field Plans

This product is well-suited for applications requiring non-volatile data storage, such as: - Configuration storage in networking equipment - Firmware storage in embedded systems - Parameter storage in automotive electronics - Calibration data storage in industrial sensors

Detailed and Complete Alternative Models

Some alternative models to the 25AA020AT-I/ST include: - 24AA025E48-I/MS - 93LC46B-I/SN - AT24C02C-SSHM-T

In conclusion, the 25AA020AT-I/ST offers a reliable and efficient solution for non-volatile data storage in a wide range of electronic applications, making it a valuable component in modern electronic designs.

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