25LC160B-I/WF15K

Product Overview

Category

The 25LC160B-I/WF15K 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

• The 25LC160B-I/WF15K features a small form factor, low power consumption, and high reliability.
• It comes in a surface-mount package, making it suitable for compact designs.
• The chip offers fast read and write operations, enabling efficient data access.

Package

The 25LC160B-I/WF15K is typically available in a standard SOIC (Small Outline Integrated Circuit) package.

Essence

This EEPROM chip serves as a crucial component for storing configuration settings, calibration data, and other critical information in electronic systems.

Packaging/Quantity

It is commonly supplied in tape and reel packaging, with quantities varying based on the manufacturer's specifications.

Specifications

• Memory Capacity: 16 Kbits
• Interface: SPI (Serial Peripheral Interface)
• Operating Voltage: 2.5V - 5.5V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: Minimum 200 years
• Write Endurance: Minimum 1,000,000 cycles

Detailed Pin Configuration

The 25LC160B-I/WF15K follows a standard pinout configuration for SPI EEPROM chips, with pins designated for power supply, data input/output, and control signals.

| Pin Name | Description | |----------|-------------| | VCC | Power Supply | | VSS | Ground | | SI | Serial Data Input | | SO | Serial Data Output | | SCK | Serial Clock | | CS | Chip Select |

Functional Features

• Byte-Addressable Memory: Enables flexible data storage and retrieval at the byte level.
• Hardware Write Protection: Provides options to protect specific memory regions from accidental writes.
• Sequential and Random Access: Supports both sequential and random access to memory locations for efficient data handling.

Advantages and Disadvantages

Advantages

• Compact Form Factor: Suitable for space-constrained designs.
• Low Power Consumption: Ideal for battery-powered devices.
• High Reliability: Offers long-term data retention and robust performance.

Disadvantages

• Limited Storage Capacity: May not be suitable for applications requiring larger memory capacities.
• Slower Write Speed: Compared to some other non-volatile memory technologies.

Working Principles

The 25LC160B-I/WF15K operates based on the principles of electrically erasable programmable memory, utilizing floating gate transistors to store and retrieve digital data. When writing data, the chip applies voltage to specific memory cells, altering their charge state. Reading data involves sensing the charge levels within the memory cells to reconstruct the stored information.

Detailed Application Field Plans

The 25LC160B-I/WF15K finds extensive use in various applications, including: - Embedded Systems: for storing firmware configurations and system parameters. - Automotive Electronics: for storing vehicle diagnostics and calibration data. - Industrial Control Systems: for retaining critical operational settings and log data.

Detailed and Complete Alternative Models

• 25LC320A-I/SN: A higher capacity variant offering 32 Kbits of memory.
• 25AA1024-I/P: An alternative with a larger memory capacity of 1 Mbit, suitable for more data-intensive applications.

In conclusion, the 25LC160B-I/WF15K serves as a reliable and compact solution for non-volatile data storage in diverse electronic systems, offering a balance of performance and efficiency.

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