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MR25H40MDF
+BOMIC RAM 4MBIT SPI 40MHZ 8DFN
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メーカーエバースピンテクノロジーズ株式会社
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メーカー品番 #MR25H40MDF
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データシート MR25H40MDF DataSheet
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パッケージ DFN-8
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在庫状況1723
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
| Package / Case | Tray |
| Series | Automotive, AEC-Q100 |
| Part Status | Active |
| Memory Type | Non-Volatile |
| Memory Format | RAM |
| Technology | MRAM (Magnetoresistive RAM) |
| Memory Size | 4Mb (512K x 8) |
| Memory Interface | SPI |
| Clock Frequency | 40 MHz |
| Voltage - Supply | 3V ~ 3.6V |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount |
概要
Description
The MR25H40MDF operates over a wide temperature range, which makes it ideal for industrial applications. It supports standard serial peripheral interface (SPI) protocols, ensuring compatibility with various microcontrollers and systems. Its endurance, often rated at unlimited read/write cycles, and data retention capabilities, usually over 20 years, make it a reliable choice for demanding environments.
Key features of the MR25H40MDF include fast write and read speeds, robustness in harsh conditions, and immunity to data corruption from magnetic fields. These characteristics make it suitable for use in automotive, aerospace, industrial controls, and other applications where data integrity and reliability are crucial.
Equivalent
Features
1. Capacity: 4 Mbit (512 K x 8-bit configuration).
2. Non-Volatile Memory: Retains data without power, combining the speed of RAM with the persistence of flash memory.
3. High Speed: Fast read and write capabilities, supporting rapid data access and storage.
4. Unlimited Endurance: Can endure virtually infinite read/write cycles, unlike traditional flash memory.
5. Low Power Consumption: Energy-efficient operation, making it suitable for battery-powered devices.
6. Wide Temperature Range: Operates effectively within a broad temperature spectrum, enhancing reliability in various environments.
7. Serial Peripheral Interface (SPI): Compatible with standard SPI protocols for easy integration into existing systems.
8. Data Integrity: Features inherent data reliability and robustness against magnetic fields.
9. Small Form Factor: Available in compact packaging, suitable for space-constrained applications.
These attributes make the MR25H40MDF an ideal choice for applications requiring durable and fast non-volatile memory.
Pinout
Here is a brief description of the pin functions:
1. CS (Chip Select): Activates the device when set low.
2. SO (Serial Output): Outputs data from the memory during read operations.
3. WP (Write Protect): Used to disable all writing options to prevent data corruption.
4. VSS (Ground): Reference point for all voltages in the device.
5. SI (Serial Input): Inputs commands, addresses, and data to the device.
6. SCK (Serial Clock): Provides synchronization for the serial data input and output.
7. HOLD: Temporarily holds the communication, allowing other tasks to be executed.
8. VCC (Power Supply): Provides the power needed for the device operation.
These pins allow the MR25H40MDF to perform serial data transfer via the SPI protocol, making it suitable for applications requiring high-speed, non-volatile memory.
Manufacturer
Application
1. Automotive Electronics: Used for high-speed data storage in systems like infotainment, navigation, and advanced driver-assistance systems (ADAS).
2. Industrial Automation: Suitable for data logging and configuration storage in programmable logic controllers (PLCs) and other automation equipment.
3. Consumer Electronics: Employed in devices requiring fast and reliable data storage, such as digital cameras and gaming consoles.
4. Telecommunications: Used in network infrastructure for rapid data access and storage.
5. Medical Devices: Provides reliable data retention for critical medical equipment.
6. Aerospace and Defense: Utilized in avionics and mission-critical systems due to its robustness and reliability.