25LC320A-I/WF16K

Product Overview

Category

The 25LC320A-I/WF16K belongs to the category of serial EEPROM (Electrically Erasable Programmable Read-Only Memory) devices.

Use

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

Characteristics

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

Package

The 25LC320A-I/WF16K is available in a compact package suitable for surface mount technology (SMT) assembly.

Essence

This device provides reliable and flexible data storage solutions for embedded systems.

Packaging/Quantity

The 25LC320A-I/WF16K is typically supplied in tape and reel packaging, with varying quantities based on customer requirements.

Specifications

• Memory Capacity: 32 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 25LC320A-I/WF16K features a standard 8-pin SOIC (Small Outline Integrated Circuit) package with the following pinout: 1. Chip Select (/CS) 2. Serial Clock (SCK) 3. Serial Data Input/Output (SI/O) 4. Ground (GND) 5. Serial Data Output/Input (SO/I) 6. Write Protect (/WP) 7. Hold (/HOLD) 8. Power Supply (VCC)

Functional Features

• Byte and Page Write Operations
• Sequential Read Capability
• Hardware Write Protection
• Deep Power-down Mode
• Status Register for Write-in-Progress Detection

Advantages

• Compact form factor
• Low power consumption
• High reliability and endurance
• Flexible interface compatibility

Disadvantages

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

Working Principles

The 25LC320A-I/WF16K utilizes the SPI protocol to communicate with the host microcontroller or system. It stores data using electrically programmable memory cells, allowing for non-volatile data retention even when power is removed.

Detailed Application Field Plans

• Automotive Systems: Used for storing vehicle configuration data, error logs, and calibration parameters.
• Industrial Control Systems: Employed for storing configuration settings, event logs, and firmware updates.
• Consumer Electronics: Utilized for storing user preferences, device settings, and firmware updates in smart devices.

Detailed and Complete Alternative Models

• 25LC640A-I/SN: 64 Kbit Serial EEPROM with similar features
• 25AA256-I/SN: 256 Kbit Serial EEPROM with extended capacity
• 24LC1025-I/SN: 1 Mbit Serial EEPROM for higher storage requirements

In conclusion, the 25LC320A-I/WF16K offers a reliable and efficient solution for non-volatile data storage in various electronic systems, with its compact form factor, low power consumption, and flexible interface making it well-suited for a wide range of applications.

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