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FM25H20-DG
+Lista de MateriaisIC FRAM 2MBIT SPI 40MHZ 8TDFN
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FabricanteCypress Semiconductor Corp
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Peça do Fabricante #FM25H20-DG
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Ficha Técnica FM25H20-DG DataSheet
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Pacote WDFN-8
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Especificações
| Atributo | Valor |
| Package | Tube |
| Series | F-RAM™ |
| ProductStatus | Obsolete |
| MemoryType | Non-Volatile |
| MemoryFormat | FRAM |
| Technology | FRAM (Ferroelectric RAM) |
| MemorySize | 2Mb (256K 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-WDFN Exposed Pad |
Visão Geral
Description
The FM25H20-DG features a Serial Peripheral Interface (SPI), ensuring efficient communication with microcontrollers and other digital systems. It supports data transfer rates up to 20 MHz, which facilitates quick data access and reduces latency.
Key advantages of the FM25H20-DG include its virtually unlimited read/write cycles, more than 10^14, and data retention of over 10 years, offering a durable and reliable memory solution. It is commonly used in applications requiring frequent data updates and high endurance, such as industrial automation, medical devices, and metering systems. Its small package size and robust performance make it an excellent choice for embedded system designers.
Equivalent
1. Cypress FM25V20A - a 256-Kbit F-RAM with SPI interface.
2. Ramtron FM25L20B - another 256-Kbit F-RAM with similar specifications.
3. Fujitsu MB85RS2MT - a 256-Kbit SPI F-RAM.
4. Adesto Technologies AT25DN256 - a 256-Kbit EEPROM with SPI interface, although it uses EEPROM technology, not F-RAM.
Ensure compatibility by checking specific electrical and performance specifications.
Features
1. Capacity: It has a memory capacity of 2K x 8 bits, totaling 16 Kb.
2. Non-Volatility: Retains data without power, ensuring data persistence.
3. High Endurance: Supports virtually unlimited read/write cycles, typically over 10 trillion.
4. Fast Write Speed: Allows for rapid data writing without the delays associated with EEPROM or Flash.
5. Low Power Consumption: Efficient power usage, suitable for battery-operated devices.
6. SPI Interface: Utilizes a Serial Peripheral Interface (SPI) for communication, enhancing connectivity options.
7. Wide Voltage Range: Operates effectively across a broad voltage range, from 2.0V to 3.6V.
8. Industrial Temperature Range: Functions reliably within temperatures from -40°C to +85°C, making it suitable for harsh environments.
9. Package Options: Available in an 8-pin SOIC package for easy integration into a variety of applications.
These features make the FM25H20-DG ideal for applications requiring reliable, fast, and energy-efficient data storage.
Pinout
1. CS (Chip Select) - Activates the device when low.
2. SO (Serial Output) - Outputs data from the memory.
3. WP (Write Protect) - Protects the entire memory when low.
4. VSS - Ground reference.
5. SI (Serial Input) - Inputs data into the memory.
6. SCK (Serial Clock) - Provides the clock signal for the serial interface.
7. HOLD - Pauses any serial communication while active low.
8. VDD - Power supply input.
These pins allow for serial communication via the SPI protocol, enabling read and write operations to the memory. The F-RAM technology provides fast writes, high endurance, and non-volatility.