25AA256-I/SN

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25AA256-I/SN is a 256 Kbit (32K x 8) serial EEPROM with a 5.5 V supply voltage and a surface-mount package in SOIC-8 format

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Initiate the application within 90 days from the shipment date.

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25AA256-I/SN DataSheet

Pricing (USD)

Quantity Unit Price Ext. Price
1 $1.175 $1.18
10 $0.999 $9.99
30 $0.901 $27.03
100 $0.781 $78.10
500 $0.733 $366.50
1000 $0.711 $711.00

These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.

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Please submit RFQ for 25AA256-I/SN or email to us: Email: [email protected], we will contact you in 12 hours.

25AA256-I/SN Details

The 25AA256-I/SN is a 256K-bit (32K x 8) serial EEPROM (Electrically Erasable Programmable Read-Only Memory) from Microchip Technology. This device operates on a low-voltage supply and utilizes a Serial Peripheral Interface (SPI) to enable fast read and write operations. It is designed for applications requiring low power consumption and storage of critical data in embedded systems.

Pinout

  • 1 (VSS): Ground
  • 2 (CS): Chip Select
  • 3 (DO): Data Output
  • 4 (DI): Data Input
  • 5 (SCK): Serial Clock
  • 6 (WP): Write Protect
  • 7 (VCC): Positive Power Supply

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

  • High Storage Capacity: Offers 256K-bit storage, ideal for data logging applications.
  • Low Power Consumption: Designed for low power operation, making it suitable for battery-powered devices.
  • Fast SPI Interface: Supports SPI interface for quick data access and transfer.
  • Wide Operating Voltage Range: Operates typically from 1.8V to 5.5V.
  • Data Retention: Provides data retention for over 100 years under proper conditions.

Application

  • Data Logging: Perfect for applications needing continuous data recording.
  • Embedded Systems: Suitable for microcontroller-based systems requiring external memory.
  • Telecommunications: Used in telecom devices for configuration and status information storage.

Where to Use

The 25AA256-I/SN is ideal for versatile applications that require reliable, non-volatile data storage. It is widely used in consumer electronics, automotive systems, and industrial applications where data retention and low power consumption are critical.

How to Use

To use the 25AA256-I/SN, connect the device according to the pin configuration. Ensure proper voltage at VCC and ground at VSS. Utilize the SPI interface to send commands for reading and writing data. For detailed instructions and protocols, refer to the datasheet.

Application Circuit

The application circuit diagram for the 25AA256-I/SN showcases the connections needed for integrating the EEPROM into your system. It includes connections for VCC, VSS, SPI pins, and Write Protect, ensuring proper functionality in your application.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

  • 25AA128-I/SN: A comparable 128K-bit EEPROM providing lower storage capacity.
  • 24AA256-I/SN: An I2C compatible equivalent with similar storage features.

Complementary

The 25AA256-I/SN can be paired with other memory devices such as the 25AA512-I/SN for applications requiring additional storage capacity while still utilizing the same communication protocol.

When selecting complementary devices, ensure their specifications align with your overall design requirements for optimal performance.

Frequently Asked Questions

Q: What is the maximum clock frequency supported by the 25AA256-I/SN?

A: The 25AA256-I/SN supports clock frequencies up to 10MHz for fast data transactions. Refer to the datasheet for specific timing requirements.

Q: Can the 25AA256-I/SN be used in battery-operated devices?

A: Yes, the 25AA256-I/SN is designed for low power consumption, making it suitable for use in battery-operated and energy-efficient devices.

25AA256-I/SN

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Density (Organization) 256 Kbit Operating Voltage Min. (V) 1.8
Oper Voltage Max (V) 5.5 Max. Clock Freq. 10 MHz
Page Size (bytes) 64 Write Protected False
Write Protect Scheme Quarter, Half, Whole Array Endurance 1,000,000
Data Retention (Years) 0 Bus Modes SPI
Battery Backup False

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