25LC020AT-I/ST

Product Overview

Category

The 25LC020AT-I/ST belongs to the category of serial EEPROM (Electrically Erasable Programmable Read-Only Memory) integrated circuits.

Use

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

Characteristics

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

Package

The 25LC020AT-I/ST is available in a standard 8-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of this product lies in its ability to store and retrieve data reliably in a wide range of operating conditions while consuming minimal power.

Packaging/Quantity

The 25LC020AT-I/ST is typically supplied in tape and reel packaging, with quantities varying based on customer requirements.

Specifications

• Memory Size: 2 Kbits
• Interface: SPI (Serial Peripheral Interface)
• Operating Voltage: 1.8V to 5.5V
• Operating Temperature Range: -40°C to 85°C
• Write Endurance: 1,000,000 cycles
• Data Retention: 200 years

Detailed Pin Configuration

1. VSS - Ground
2. MISO - Master In Slave Out
3. VCC - Power Supply
4. SCK - Serial Clock
5. MOSI - Master Out Slave In
6. CS - Chip Select
7. HOLD - Hold Input
8. WP - Write Protect

Functional Features

• Byte and Page Write Modes
• Self-timed Write Cycle
• Sequential Read Operation
• Hardware and Software Protection of Data

Advantages

• Small footprint
• Low power consumption
• High reliability
• Wide operating voltage range

Disadvantages

• Limited storage capacity
• Slower write speeds compared to some other memory technologies

Working Principles

The 25LC020AT-I/ST operates by using an SPI interface to communicate with the host microcontroller. It stores data in a non-volatile manner, allowing for reliable retention of information even when power is removed from the device.

Detailed Application Field Plans

This product is well-suited for applications requiring small amounts of non-volatile memory, such as storing configuration parameters, calibration data, or event logs in various electronic systems. It finds use in smart meters, sensor nodes, and portable devices.

Detailed and Complete Alternative Models

• 25LC040A-I/ST (4 Kbit Serial EEPROM)
• 25AA020A-I/ST (2 Kbit Serial EEPROM with I2C Interface)
• 25LC1024-I/ST (1 Mbit Serial EEPROM)

In conclusion, the 25LC020AT-I/ST offers a reliable and efficient solution for non-volatile data storage in a wide range of electronic applications, despite its limitations in storage capacity and write speed. Its small form factor, low power consumption, and compatibility with the SPI interface make it a popular choice for designers seeking dependable memory solutions.

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