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W25Q256JWEIN
+BOMIC FLASH 256MBIT SPI/QUAD 8WSON
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メーカーウィンボンド・エレクトロニクス
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メーカー品番 #W25Q256JWEIN
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在庫状況16016
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 |
| Series | SpiFlash® |
| Part Status | Active |
| Memory Type | Non-Volatile |
| Memory Format | FLASH |
| Technology | FLASH - NOR (SLC) |
| Memory Size | 256Mbit |
| Memory Organization | 32M x 8 |
| Memory Interface | SPI - Quad I/O, QPI |
| Clock Frequency | 133 MHz |
| Write Cycle Time - Word, Page | 5ms |
| Access Time | 6 ns |
| Voltage - Supply | 1.7V ~ 1.95V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 8-WDFN Exposed Pad |
| Supplier Device Package | 8-WSON (8x6) |
| Base Product Number | W25Q256 |
概要
Description
Key features include:
1. Capacity and Performance: Offers 32MB of storage with fast read/write speeds, supporting standard SPI, Dual SPI, and Quad SPI operations.
2. Low Power Consumption: Designed for energy efficiency, making it ideal for battery-powered devices.
3. Security: Includes features like a 256-bit unique ID, lockable blocks, and software and hardware write protection.
4. Endurance and Reliability: Supports up to 100,000 erase/write cycles per sector and data retention of 20 years, ensuring long-term reliability.
5. Compatibility: Operates over a wide voltage range (2.7V to 3.6V) and is compatible with various microcontrollers and processors.
It's suitable for applications requiring high density, performance, and reliability in a compact footprint.
Equivalent
1. Micron: MT25QU256ABA
2. Cypress/Infineon: S25FL256S
3. Macronix: MX25L25645G
4. Adesto: AT25DF256
These chips usually have similar storage capacities, interfaces (SPI), and voltage ranges, making them suitable substitutes depending on specific requirements. Always verify pin compatibility and performance specifications before substituting.
Features
Key features include a wide operating voltage range of 2.7V to 3.6V, supporting a broad set of applications. It offers a fast data transfer rate of up to 104 MHz for standard SPI and 84 MHz for Dual/Quad SPI. The device supports a variety of functions such as read, write, erase, and advanced security features including a 256-bit unique ID, 64-bit unique ID, and a 4K-bit secure OTP region.
Additionally, it provides high endurance with the ability to handle numerous write/erase cycles and operates in a temperature range from -40°C to +85°C. It also comes in various packaging options, making it versatile for different design requirements.
Pinout
1. /CS (Chip Select): Activates the device when low.
2. DO (Data Out): Serial data output.
3. /WP (Write Protect): Provides hardware protection for the status register.
4. GND: Ground reference for the device.
5. DI (Data In): Serial data input.
6. CLK (Clock): Provides the clock signal for the SPI interface.
7. /HOLD (or RESET): Suspends serial communication (or resets the device, depending on configuration).
8. VCC: Power supply pin.
These pins follow the Serial Peripheral Interface (SPI) protocol, which is common for flash memory devices, offering efficient data transfer and storage capabilities.
Manufacturer
Application
1. Consumer Electronics: Used in devices such as TVs, set-top boxes, and gaming consoles for firmware storage.
2. Embedded Systems: Provides non-volatile memory for microcontrollers in IoT devices and industrial automation systems.
3. Automotive: Used in infotainment systems, dashboards, and advanced driver-assistance systems (ADAS).
4. Networking Equipment: Stores firmware in routers, switches, and modems.
5. Computing: Utilized in laptops, desktops, and servers for BIOS storage and caching.
Its high-density storage and reliability make it suitable for applications requiring frequent updates and fast read/write cycles.