Manufacturer Part Number

25LC020AT-E/SN

Description

2Kbit SPI EEPROM memory IC from Microchip Technology. Uses SPI interface and supports up to 10 MHz clock frequency. Comes in an 8-pin SOIC surface mount package. Operates over a wide temperature range for industrial uses. Provides non-volatile storage.

Specifications

Memory Type: EEPROM (Electrically Erasable Programmable Read-Only Memory)

Memory Size: 2Kbit (256 x 8-bit organization)

Interface: Serial Peripheral Interface (SPI)

Clock Frequency: 10 MHz maximum

Write Cycle Time (Word, Page): 5 ms

Voltage Supply Range: 2.5V to 5.5V

Operating Temperature: -40°C to 125°C

Mounting Type: Surface Mount

Package: 8-SOIC (0.154", 3.90mm Width)

Product Status: Active

RoHS: ROHS3 Compliant

MSL: 1 (Unlimited, very low moisture sensitivity)

REACH: Unaffected

ECCN: EAR99 (No special export restrictions)

Inventory: 652 pcs New Original In Stock

Device Structure

Built with EEPROM cells arranged in 256 x 8 array. Includes control logic for SPI interface. Housed in a standard 8-pin SOIC package for easy surface mounting on PCBs. Complies with modern environmental and safety standards (RoHS3, REACH).

Performance Characteristics

Fast SPI communication up to 10 MHz

Reliable non-volatile data retention

Wide supply voltage compatibility for flexible system use

Endures industrial-grade temperatures for high-reliability environments

Quick write cycles (5 ms typical) for efficient data storage

Low power operation due to EEPROM technology

Application Environments

Best for embedded system memory expansion

Used in industrial control, automotive electronics, consumer goods, instrumentation, and data storage

Fits harsh operating conditions (can withstand -40°C to 125°C)

Ideal for applications needing small but reliable memory with simple serial interface

Selection Guidelines

Check if your system uses SPI for communication

Choose the 2Kbit size if only small data logs, configuration, or parameter storage are needed

Confirm supply voltage matches (2.5V to 5.5V)

Check that operating temperature fits your application

Use SOIC-8 footprint for compatibility with your PCB layout

Make sure the data retention, reliability, and RoHS/REACH status match your compliance requirements

Usage Considerations

Follow recommended timing when writing data, mind the 5ms write cycle

Observe proper power sequencing to avoid data corruption

Keep maximum clock frequency below 10 MHz

Avoid exceeding the recommended voltage and temperature ranges

Mount only in compatible SOIC-8 footprints

No special handling needed for moisture (MSL 1)

Potential Equivalent/Replacement Models

There are equivalent or alternative models available for replacement. These include:

M95020-WMN6P

M95020-DRMN3TP/K

CAV25020VE-GT3

M95020-WMN6TP

R1EX25002ASA00I#S0

If these alternatives do not meet your requirements or for more cross-reference help, please contact the Ariat-Tech sales team for further support.

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