25AA128-I/SM

Product Overview

Category

The 25AA128-I/SM belongs to the category of Serial EEPROM (Electrically Erasable Programmable Read-Only Memory) chips.

Use

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

Characteristics

• Non-volatile memory
• High reliability
• Low power consumption
• Small form factor
• SPI (Serial Peripheral Interface) communication protocol

Package

The 25AA128-I/SM is typically available in a surface-mount SOIC (Small Outline Integrated Circuit) package.

Essence

This product serves as a reliable and efficient solution for storing configuration parameters, calibration data, and other critical information in embedded systems.

Packaging/Quantity

It is usually supplied in tape and reel packaging with a quantity of 2500 units per reel.

Specifications

• Memory Size: 128 Kbits
• Interface: SPI
• 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 25AA128-I/SM features an 8-pin SOIC package with the following pinout: 1. Chip Select (/CS) 2. Serial Clock (SCK) 3. Serial Data Input/Output (SI/SO) 4. Ground (GND) 5. Write Protect (/WP) 6. VCC (Power Supply) 7. Hold (/HOLD) 8. Not Connected (NC)

Functional Features

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

Advantages and Disadvantages

Advantages

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

Disadvantages

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

Working Principles

The 25AA128-I/SM utilizes 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 storage of information even when power is removed.

Detailed Application Field Plans

This product is well-suited for a wide range of applications, including: - Industrial automation systems - Automotive electronics - Medical devices - Consumer electronics - IoT (Internet of Things) devices

Detailed and Complete Alternative Models

Some alternative models to consider include: - 25LC128-I/SM (Microchip Technology) - AT25080B-SSHL-T (Adesto Technologies) - M24M02-DRMN6TP (STMicroelectronics)

In conclusion, the 25AA128-I/SM offers a reliable and efficient solution for non-volatile data storage in various electronic applications, making it a versatile choice for designers and engineers seeking dependable memory solutions.

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