25LC320-I/P

Product Overview

Category: Integrated Circuit (IC)

Use: Non-volatile Serial EEPROM Memory

Characteristics: - Low-power CMOS technology - 32K x 8-bit organization - SPI compatible serial interface - 2.5V to 5.5V operating voltage range - 1 MHz clock rate - 100,000 erase/write cycles endurance - Data retention > 200 years - 8-pin PDIP package

Essence: The 25LC320-I/P is a non-volatile memory chip that provides reliable and long-term storage of data in various electronic devices.

Packaging/Quantity: The 25LC320-I/P is available in an 8-pin Plastic Dual Inline Package (PDIP). It is typically sold in reels or tubes containing multiple units.

Specifications

• Memory Size: 32 kilobits (4 kilobytes)
• Organization: 4096 bytes x 8 bits
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage Range: 2.5V to 5.5V
• Clock Rate: Up to 1 MHz
• Endurance: 100,000 erase/write cycles
• Data Retention: > 200 years
• Package Type: 8-pin PDIP

Detailed Pin Configuration

The 25LC320-I/P has the following pin configuration:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | CS | Chip Select | | 2 | SO | Serial Data Output | | 3 | WP | Write Protect | | 4 | VSS | Ground | | 5 | SI | Serial Data Input | | 6 | SCK | Serial Clock | | 7 | HOLD | Hold Input | | 8 | VCC | Power Supply |

Functional Features

• Non-volatile memory: The 25LC320-I/P retains data even when power is removed.
• Serial interface: It uses the SPI protocol for communication with other devices.
• Low-power consumption: The chip operates on low power, making it suitable for battery-powered devices.
• High endurance: With 100,000 erase/write cycles, it ensures reliable and long-lasting data storage.
• Wide operating voltage range: It can be powered by a voltage between 2.5V and 5.5V.

Advantages and Disadvantages

Advantages: - Non-volatile memory ensures data retention even during power loss. - Compact size and easy integration into various electronic devices. - Low power consumption extends battery life. - High endurance allows for frequent read/write operations. - Wide operating voltage range provides flexibility in different applications.

Disadvantages: - Limited storage capacity compared to larger EEPROM chips. - Slower data transfer rate compared to some other memory technologies. - Relatively higher cost per kilobyte of storage compared to other memory options.

Working Principles

The 25LC320-I/P utilizes non-volatile Electrically Erasable Programmable Read-Only Memory (EEPROM) technology. It stores data in a grid of memory cells that can be electrically programmed and erased. The chip communicates with a microcontroller or other devices using the SPI protocol, allowing for easy integration into various systems. Data can be written, read, and erased from the memory using specific commands sent through the serial interface.

Detailed Application Field Plans

The 25LC320-I/P is widely used in various electronic devices and systems, including but not limited to: - Consumer electronics - Industrial automation - Automotive applications - Medical devices - Communication equipment - Smart home devices

In consumer electronics, it can be found in products such as digital cameras, set-top boxes, and portable media players. In industrial automation, it is used for storing configuration data, calibration values, and event logs. Automotive applications include storing vehicle parameters, firmware updates, and diagnostic information. Medical devices utilize it for patient data storage and device configuration. Communication equipment relies on it for storing network settings and firmware. Smart home devices use it for storing user preferences and device configurations.

Detailed and Complete Alternative Models

• 25LC640-I/P: 64 kilobits (8 kilobytes) memory size, otherwise similar specifications.
• 25LC128-I/P: 128 kilobits (16 kilobytes) memory size, otherwise similar specifications.
• 25LC256-I/P: 256 kilobits (32 kilobytes) memory size, otherwise similar specifications.
• 25LC512-I/P: 512 kilobits (64 kilobytes) memory size, otherwise similar specifications.

These alternative models offer increased memory capacity while maintaining compatibility with the 25LC320-I/P in terms of pin configuration and