25LC320AT-E/ST

Product Overview

Category: Integrated Circuits (ICs)

Use: Non-volatile Memory

Characteristics: - Low-power CMOS technology - 32K x 8-bit organization - SPI compatible serial interface - Self-timed erase and write cycles - 1,000,000 erase/write cycles endurance - 100-year data retention - Industrial temperature range (-40°C to +85°C) - Lead-free package options

Package: 8-pin SOIC (Small Outline Integrated Circuit)

Essence: The 25LC320AT-E/ST is a 32K-bit Serial Electrically Erasable Programmable Read-Only Memory (EEPROM) that belongs to the Microchip Technology's 25xx320A series.

Packaging/Quantity: The 25LC320AT-E/ST is available in tape and reel packaging with a quantity of 2500 units per reel.

Specifications

• Memory Size: 32K bits
• Organization: 4K x 8 bits
• Interface Type: Serial Peripheral Interface (SPI)
• Voltage Supply Range: 2.5V to 5.5V
• Maximum Clock Frequency: 10 MHz
• Operating Temperature Range: -40°C to +85°C
• Endurance: 1,000,000 erase/write cycles
• Data Retention: 100 years

Pin Configuration

The 25LC320AT-E/ST has an 8-pin Small Outline Integrated Circuit (SOIC) package. The pin configuration is as follows:

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

Functional Features

• Self-timed erase and write cycles for easy integration into various applications.
• SPI compatible serial interface allows for simple communication with microcontrollers and other devices.
• Low-power CMOS technology ensures efficient power consumption.
• Wide operating temperature range makes it suitable for industrial applications.
• High endurance of 1,000,000 erase/write cycles ensures long-term reliability.
• Data retention of 100 years ensures data integrity over extended periods.

Advantages and Disadvantages

Advantages: - Easy integration due to self-timed erase and write cycles. - Simple communication with microcontrollers and other devices through the SPI interface. - Efficient power consumption with low-power CMOS technology. - Suitable for industrial applications with a wide operating temperature range. - High endurance ensures long-term reliability. - Data retention guarantees data integrity over extended periods.

Disadvantages: - Limited memory size (32K bits) may not be sufficient for certain applications requiring larger storage capacity. - Requires external components (microcontroller, etc.) for proper functionality.

Working Principles

The 25LC320AT-E/ST is based on Electrically Erasable Programmable Read-Only Memory (EEPROM) technology. It utilizes a serial interface (SPI) for communication with external devices. The memory can be erased and written using self-timed cycles, making it easy to integrate into various applications. The low-power CMOS technology ensures efficient power consumption, while the wide operating temperature range allows for reliable operation in industrial environments.

Detailed Application Field Plans

The 25LC320AT-E/ST is commonly used in various applications, including but not limited to: - Automotive electronics - Industrial control systems - Consumer electronics - Medical devices - Communication equipment

Detailed and Complete Alternative Models

Some alternative models to the 25LC320AT-E/ST include: - 25LC640A-I/SN - 25LC1024-I/SN - 25LC128-I/SN - 25LC256-I/SN

These alternative models offer different memory sizes and features, allowing users to choose the most suitable option for their specific requirements.

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