MR25H256ACDF

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MR25H256ACDF

IC RAM 256KBIT SPI 40MHZ 8DFN

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Specifications

Package Tray
ProductStatus Active
MemoryType Non-Volatile
MemoryFormat RAM
Technology MRAM (Magnetoresistive RAM)
MemorySize 256Kb (32K x 8)
MemoryInterface SPI
ClockFrequency 40 MHz
Voltage-Supply 2.7V ~ 3.6V
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 8-VDFN Exposed Pad

Overview

Description

The MR25H256ACDF is a 256 Megabit (32 Megabyte) Serial NOR Flash memory device manufactured by Microchip Technology. It features a SPI (Serial Peripheral Interface) for fast data transfer and supports commands for reading, writing, erasing, and other operations. This memory is designed for embedded applications requiring non-volatile storage, such as firmware, configuration data, or code storage in devices like automotive systems, consumer electronics, and industrial equipment.
Key features include a wide operating voltage range (typically 2.7V to 3.6V), fast access times, and low power consumption, making it suitable for battery-operated devices. The MR25H256ACDF also supports multiple chip select lines, allowing for interfacing with multiple devices on a single communication bus. With its high density and efficient performance, it is ideal for applications demanding reliable and scalable memory solutions.

Features

The MR25H256ACDF is a 256 Megabit (32 Megabyte) serial NOR Flash memory device. Key features include:
1. Interface: Supports a high-speed SPI (Serial Peripheral Interface) for efficient data transfer.
2. Architecture: Utilizes a memory architecture with 512 pages, where each page is 256 bytes.
3. Read Speed: Offers fast read speeds up to 104 MHz, enabling quick data access.
4. Write/Erase: Supports 256-byte page write and 4KB sector erase operations, allowing for flexible data management.
5. Voltage Range: Operates on a supply voltage of 2.7V to 3.6V, making it compatible with a variety of applications.
6. Endurance: Ensures high endurance with up to 100,000 program/erase cycles per sector.
7. Data Retention: Provides reliable data retention of up to 20 years at 85°C.
8. Package Options: Available in a small SOIC-8 package, suitable for space-constrained designs.
These features make the MR25H256ACDF ideal for applications in consumer electronics, automotive, and industrial sectors requiring reliable non-volatile memory.

Package

The MR25H256ACDF is packaged in a 8-pin SOIC (Small Outline Integrated Circuit) package. This package type is commonly used for memory devices, providing a compact form factor suitable for various electronic applications.

Pinout

The MR25H256ACDF is a 256Mb (32MB) serial NOR Flash memory device with a pin count of 8.
Pin Functions:
1. VCC: Power supply.
2. GND: Ground connection.
3. SCK: Serial clock input.
4. CS#: Chip select (active low).
5. SI: Serial input for data.
6. SO: Serial output for data.
7. WP#: Write protect (active low).
8. HOLD#: Hold pin (active low) to pause operations.
The device supports SPI (Serial Peripheral Interface) communication and is used for non-volatile data storage in various applications, including consumer electronics and automotive systems.

Manufacturer

The MR25H256ACDF is manufactured by Micron Technology, Inc. Micron is a global leader in memory and storage solutions, specializing in DRAM, NAND flash memory, and other semiconductor technologies. Founded in 1978 and headquartered in Boise, Idaho, Micron serves a diverse range of markets including computing, mobile, automotive, and industrial applications. The company is recognized for its innovation in memory products and plays a significant role in the semiconductor industry, providing solutions that enable advanced computing and data storage capabilities.

Application

The MR25H256ACDF is a 256Mb serial NOR flash memory device used in various applications, including automotive systems, consumer electronics, industrial automation, and IoT devices. Its features support firmware storage, data logging, boot code execution, and configuration settings. The device’s high-density storage and reliable performance make it suitable for edge computing, smart appliances, and telecommunications equipment.

Equivalent

The MR25H256ACDF chip is a 256Kb serial NOR Flash memory. Equivalent products include the Winbond W25X256, Micron MT25QL256, and Adesto AT25DF256. These alternatives offer similar specifications in terms of capacity, interface, and functionality. Always verify compatibility with your specific application before substitution.

Shipping

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Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

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