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AT25SF641-SUB-T
+NomenclatureIC FLASH 64MBIT SPI/QUAD 8SOIC
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FabricantRenesas ÉLECTRONIQUE
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Pièce fabricant #AT25SF641-SUB-T
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En stock6943
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Spécifications
| Attribut | Valeur |
| Part Status | Obsolete |
| Digi Key Programmable | Not Verified |
| Memory Type | Non-Volatile |
| Memory Format | FLASH |
| Technology | FLASH - NOR |
| Memory Size | 64Mbit |
| Memory Organization | 8M x 8 |
| Memory Interface | SPI - Quad I/O, QPI |
| Write Cycle Time - Word, Page | 150µs, 5ms |
| Voltage - Supply | 2.7V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 8-SOIC (0.209", 5.30mm Width) |
| Supplier Device Package | 8-SOIC |
| Base Product Number | AT25SF641 |
| Clock Frequency | 104 MHz |
Présentation
Description
Key features include fast read and program/erase times, low power consumption, and wide temperature range operations, making it suitable for demanding environments. It also includes advanced security features, such as hardware and software write protection, ensuring data integrity and protection against unauthorized access. The device is commonly used in applications like IoT devices, automotive systems, consumer electronics, and industrial control systems due to its compact 8-lead SOIC or WSON package options, enhancing design flexibility.
Overall, the AT25SF641-SUB-T offers a robust and efficient solution for applications requiring reliable, high-speed serial Flash memory.
Equivalent
1. Winbond W25Q64JV - A similar 64Mbit serial NOR flash memory.
2. Macronix MX25L6473F - Another 64Mbit NOR flash memory with similar specifications.
3. Cypress S25FL064L - A 64Mbit NOR flash offering comparable features.
Verification of exact compatibility should include checking specific parameters like voltage range, interface type, and temperature ratings.
Features
1. Memory Architecture: It supports Uniform Sector Architecture with a sector size of 4KB, making it ideal for applications requiring frequent updates or small data storage.
2. Performance: The device operates with a high-speed SPI (Serial Peripheral Interface) clock frequency up to 104 MHz, providing fast read and write capabilities.
3. Low Power Consumption: It offers low current consumption in active mode, and even lower current in standby and deep power-down modes, making it suitable for battery-operated devices.
4. Security: Features include a configurable block protection scheme and hardware and software write protection, enhancing data security.
5. Temperature Range: It is designed to operate in a wide temperature range from -40°C to +85°C, suitable for industrial applications.
6. Package: The AT25SF641-SUB-T comes in a compact 8-lead SOIC package.
These features make the AT25SF641-SUB-T suitable for various applications, including consumer electronics, industrial control, and automotive systems.
Pinout
1. CS (Chip Select): Activates the device; communication is enabled when low.
2. SO (Serial Output): Outputs data; used for transferring data from the memory to the host.
3. WP (Write Protect): Protects certain portions of memory from being written to.
4. GND: Ground reference for the power supply.
5. SI (Serial Input): Inputs data; used for transferring data from the host to the memory.
6. SCK (Serial Clock): Provides the timing for data transfers.
7. HOLD: Temporarily pauses communication without deselecting the device.
8. VCC: Positive power supply voltage for the device.
These pins enable the AT25SF641-SUB-T to perform its function as a non-volatile memory storage device, communicating via a SPI interface.
Manufacturer
Dialog Semiconductor, now integrated into Renesas, is a company that designs and supplies semiconductor-based system solutions focusing on low-power, mixed-signal integrated circuits. Renesas Electronics Corporation is a global leader in microcontrollers, analog, power, and SoC products. The company is known for its innovative solutions in the automotive, industrial, infrastructure, and IoT sectors, delivering comprehensive solutions to enhance performance, efficiency, and reliability in electronics applications.
Application
1. Consumer Electronics: Used in devices like cameras, smart TVs, and set-top boxes for firmware storage.
2. Industrial Automation: Stores configuration data and logs in PLCs and control systems.
3. Networking: Employed in routers and switches for boot code and configuration storage.
4. Automotive Systems: Utilized for infotainment systems and electronic control units (ECUs).
5. IoT Devices: Provides reliable data storage for IoT modules and sensors.
Its fast read/write capabilities and low power consumption make it suitable for these diverse applications.