25LC040A/S16K

Product Overview

Category

The 25LC040A/S16K belongs to the category of Serial EEPROM (Electrically Erasable Programmable Read-Only Memory).

Use

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

Characteristics

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

Package

The 25LC040A/S16K is available in a variety of packages, including SOIC, PDIP, and TSSOP, catering to different application requirements.

Essence

The essence of the 25LC040A/S16K lies in its ability to provide reliable and flexible non-volatile memory storage in a compact and energy-efficient package.

Packaging/Quantity

The product is typically supplied in tape and reel packaging, with quantities varying based on customer needs and industry standards.

Specifications

• Memory Size: 4 Kbits
• Interface: SPI (Serial Peripheral Interface)
• Operating Voltage: 2.5V - 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Endurance: 1,000,000 cycles
• Data Retention: >200 years

Detailed Pin Configuration

The 25LC040A/S16K features a standard 8-pin configuration, with pins designated for power supply, ground, serial data input/output, and control signals.

| Pin Name | Description | |----------|-------------------| | VCC | Power Supply | | VSS | Ground | | SI | Serial Input | | SO | Serial Output | | SCK | Serial Clock | | CS | Chip Select | | HOLD | Hold Input (optional) | | WP | Write Protect (optional) |

Functional Features

• Byte and Page Write Modes
• Sequential Read Operation
• Software and Hardware Write Protection
• Status Register for Write In-Progress Monitoring
• Flexible Clock Polarity and Phase Selection

Advantages

• Compact form factor
• Low power consumption
• High-speed serial interface
• Robust write protection features
• Wide operating voltage range

Disadvantages

• Limited storage capacity compared to larger EEPROMs
• Higher cost per bit compared to traditional non-volatile memories

Working Principles

The 25LC040A/S16K operates by utilizing the SPI interface to communicate with the host microcontroller or system. It stores and retrieves data through sequential read and byte/page write operations, while incorporating hardware and software write protection mechanisms to ensure data integrity.

Detailed Application Field Plans

The 25LC040A/S16K finds extensive use in various applications, including: - Automotive Engine Control Units - Industrial Automation Systems - Smart Grid Equipment - Consumer Electronics (e.g., Set-Top Boxes, Smart TVs) - Medical Devices - IoT (Internet of Things) Devices

Detailed and Complete Alternative Models

Some alternative models to the 25LC040A/S16K include: - 25AA040A - 25LC080B - 25LC160C - 25AA320B - 25LC640A

In conclusion, the 25LC040A/S16K offers a reliable and efficient solution for non-volatile memory storage in a wide range of electronic applications, making it a versatile choice for designers and engineers seeking compact and high-performance memory solutions.

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