AT25256B-MAPDGV-T

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AT25256B-MAPDGV-T

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IC EEPROM 256KBIT SPI 5MHZ 8UDFN

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  • メーカー品番 #AT25256B-MAPDGV-T

  • データシート AT25256B-MAPDGV-T DataSheet

  • 在庫状況3375

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仕様

属性
PartStatus Active
DigiKeyProgrammable Not Verified
MemoryType Non-Volatile
MemoryFormat EEPROM
Technology EEPROM
MemorySize 256Kbit
MemoryOrganization 32K x 8
MemoryInterface SPI
ClockFrequency 5 MHz
WriteCycleTime-Word,Page 5ms
Voltage-Supply 2.5V ~ 5.5V
OperatingTemperature -40°C ~ 125°C (TA)
MountingType Surface Mount
Package/Case 8-UFDFN Exposed Pad
SupplierDevicePackage 8-UDFN (2x3)
BaseProductNumber AT25256
Grade Automotive
Qualification AEC-Q100

概要

Description

The AT25256B-MAPDGV-T is a 256 Kbit (32 K x 8) serial EEPROM (Electrically Erasable Programmable Read-Only Memory) manufactured by Microchip Technology. It uses a 2-wire I2C interface for communication, making it suitable for a variety of applications in consumer electronics, automotive, and industrial systems where non-volatile storage is essential.
The device operates on a wide voltage range (2.5V to 5.5V) and supports fast I2C speeds up to 1 MHz. It features a page write capability, allowing multiple bytes to be written in a single operation, enhancing efficiency. The AT25256B also includes built-in write protection and endurance of up to 1 million write cycles, ensuring data integrity over time.
With its compact package options, it is ideal for space-constrained applications. Overall, the AT25256B-MAPDGV-T provides a reliable solution for storing configuration data, calibration values, and other critical information that must be preserved even when power is removed.

Equivalent

The AT25256B-MAPDGV-T is a 256Kb (32K x 8) Serial EEPROM. Equivalent products include the Microchip 25AA256, Winbond W25X256, and STMicroelectronics M24M02. These alternatives also offer similar memory density and I2C/SPI interfaces. Always check specific datasheets for compatibility with your application requirements.

Features

The AT25256B-MAPDGV-T is a 256 Kbit (32 K x 8) serial EEPROM (Electrically Erasable Programmable Read-Only Memory) from Microchip Technology. Key features include:
1. Interface: Utilizes a 2-wire I²C bus interface for communication, facilitating easy integration with microcontrollers.
2. Voltage Range: Operates within a voltage range of 1.8V to 5.5V, making it suitable for various applications.
3. Memory Organization: 32 pages of 64 bytes each, allowing efficient data storage and retrieval.
4. Data Retention: Promises data retention of over 100 years, ensuring long-term reliability.
5. Write Endurance: Supports up to 1 million write/erase cycles per memory cell.
6. Low Power Consumption: Features low active and standby current, enhancing battery-operated device efficiency.
7. Temperature Range: Rated for industrial applications, it operates within a temperature range of -40°C to +85°C.
These attributes make the AT25256B-MAPDGV-T suitable for applications like data logging, configuration storage, and firmware updates.

Pinout

The AT25256B-MAPDGV-T is a 256Kb (32KB) Serial EEPROM from Microchip Technology. It has a total of 8 pins. The pin configuration and their functions are as follows:
1. VCC: Supply Voltage.
2. GND: Ground.
3. SCL: Serial Clock input for the I2C interface.
4. SDA: Serial Data input/output for the I2C interface.
5. WP: Write Protect pin, used to enable or disable write operations.
6. A0: Address pin 0, used to select one of multiple devices on the same I2C bus.
7. A1: Address pin 1, used for additional device selection.
8. A2: Address pin 2, used for further device selection.
The AT25256B supports a 2-wire I2C interface, making it suitable for various applications requiring non-volatile memory storage.

Manufacturer

The manufacturer of the AT25256B-MAPDGV-T is Microchip Technology Inc. Microchip is a leading provider of microcontroller, mixed-signal, analog, and Flash-IP solutions. Founded in 1989, the company specializes in embedded control applications, offering a wide range of products including microcontrollers (MCUs), digital signal controllers (DSCs), and memory solutions.
Microchip serves various industries, including automotive, industrial, consumer, and communications, providing essential components for systems requiring reliable and efficient performance. The AT25256B-MAPDGV-T itself is a 256 Kbit (32K x 8) Serial EEPROM, which is used for data storage in applications where non-volatile memory is necessary. The company is known for its commitment to quality, innovation, and customer support, making it a key player in the semiconductor industry.

Application

The AT25256B-MAPDGV-T is a 256Kb (32K x 8) serial EEPROM, utilized in various applications including:
1. Consumer Electronics: For storing configuration settings and user preferences.
2. Automotive: In vehicle control systems for data logging and calibration settings.
3. Industrial Equipment: To retain critical data in harsh environments.
4. Medical Devices: For storing patient data and device configurations.
5. Smart Meters: In utility metering for data retention and firmware updates.
6. Telecommunications: For storing network parameters and diagnostics.
Its low power consumption and high endurance make it suitable for these environments.

Package

The AT25256B-MAPDGV-T is packaged in an 8-pin SOIC (Small Outline Integrated Circuit) format. This type of package is characterized by its small size and surface-mount design, suitable for various electronic applications.

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