25AA128-I/WF16K

Product Overview

Category

The 25AA128-I/WF16K is a serial EEPROM (Electrically Erasable Programmable Read-Only Memory) integrated circuit.

Use

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

Characteristics

• Memory Capacity: 128 Kbits
• Interface: SPI (Serial Peripheral Interface)
• Operating Voltage: 1.8V to 5.5V
• Package Type: SOIC (Small Outline Integrated Circuit)
• Temperature Range: -40°C to +85°C
• Endurance: 1,000,000 write cycles
• Data Retention: 200 years

Packaging/Quantity

The 25AA128-I/WF16K is typically available in tape and reel packaging with a quantity of 2500 units per reel.

Specifications

• Memory Capacity: 128 Kbits
• Interface: SPI
• Operating Voltage: 1.8V to 5.5V
• Maximum Clock Frequency: 10 MHz
• Write Protect Function
• Sequential Read Mode

Detailed Pin Configuration

The 25AA128-I/WF16K features an 8-pin SOIC package with the following pin configuration: 1. Chip Select (/CS) 2. Serial Data Input/Output (SI/SO) 3. Serial Clock (SCK) 4. Write Protect (/WP) 5. Ground (GND) 6. No Connection (NC) 7. Power Supply (VCC) 8. Hold Input (/HOLD)

Functional Features

• High-Speed SPI Interface: Enables fast data transfer between the EEPROM and the microcontroller.
• Write Protection: The /WP pin allows the device to be write-protected, preventing accidental data modification.
• Sequential Read Mode: Allows for efficient sequential reading of data from the memory array.

Advantages

• Low Power Consumption
• Wide Operating Voltage Range
• High Endurance and Data Retention
• Compact Package Size

Disadvantages

• Limited Memory Capacity compared to other EEPROM options
• Limited Maximum Clock Frequency

Working Principles

The 25AA128-I/WF16K operates by using electrical signals to read from and write to its non-volatile memory cells. It utilizes the SPI interface to communicate with the host microcontroller, enabling efficient data storage and retrieval.

Detailed Application Field Plans

The 25AA128-I/WF16K is suitable for a wide range of applications, including: - Consumer Electronics: Smartphones, digital cameras, and portable media players - Industrial Equipment: Automation systems, sensor modules, and control units - Automotive: Engine control units, infotainment systems, and instrument clusters

Detailed and Complete Alternative Models

• 25LC128-I/P
• 24AA128-I/P
• 93AA46A-I/P

In conclusion, the 25AA128-I/WF16K is a versatile serial EEPROM IC with a compact form factor and reliable performance, making it well-suited for diverse electronic applications.

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