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W25Q40BWSNIG

厂牌: WINBOND/台湾华邦
产品描述: 512KB 1.65V~1.95V 4MX1 1.65V FLASH,Non-Volatile 1.95V 80MHz 7ns SPI-Quad I/O 20Year SOIC-8 贴片安装 4.9mm*3.9mm*1.75mm
供应商型号: W25Q40BWSNIG SOIC-8
供应商: 期货订购
标准整包数: 100
WINBOND/台湾华邦 带电可擦可编程只读存储器(EEPROM) W25Q40BWSNIG

W25Q40BWSNIG概述

    W25Q40BW 4M-Bit Serial Flash Memory: Product Overview
    1. Product Introduction
    The W25Q40BW, released by Winbond, is a high-performance serial flash memory with 4M-bit storage capacity. It is designed to offer an efficient and flexible solution for embedded systems with constrained resources such as space, power, and pin count. This product supports multiple communication protocols, including Standard SPI, Dual SPI, and Quad SPI, making it suitable for applications ranging from firmware storage to real-time data processing.
    Primary features include:
    - Storage Capacity: 4M-bit (512K-byte)
    - Page Size: 256 bytes per page
    - Power Supply: Single 1.65V to 1.95V
    - Operational Modes: Continuous Read Mode, Erase/Program Suspend & Resume
    - Interface Flexibility: Supports standard SPI, Dual/Quad SPI, and Dual/Quad I/O SPI operations
    Its application spans across industries requiring reliable data storage, including IoT devices, industrial automation, automotive electronics, and consumer electronics.
    2. Technical Parameters
    | Parameter | Specification |

    | Storage Capacity | 4M-bit (512K-byte) |
    | Voltage Range | 1.65V to 1.95V |
    | Active Current Consumption | 4mA |
    | Standby Current Consumption | <1µA |
    | Programming Page Size | 256 bytes |
    | Maximum Clock Frequency | 80MHz |
    | Equivalent Transfer Rates | 160MHz (Dual), 320MHz (Quad) |
    | Sector Erase Size | 4KB |
    | Block Erase Sizes | 32KB, 64KB |
    | Number of Erasable Sectors | 128 |
    | Number of Erasable Blocks | 8 |
    | Erase Cycles | >100,000 |
    | Data Retention | >20 years |
    | Operating Temperature Range | -40°C to +85°C |
    3. Product Features and Advantages
    The W25Q40BW stands out due to its advanced architecture and robust capabilities:
    - High Performance: Operates with dual and quad SPI modes, offering 160MHz and 320MHz equivalent transfer rates.
    - Efficient Power Management: Low active and standby currents ensure minimal energy consumption.
    - Flexible Erase Options: Uniform sector sizes (4KB) allow fine-grained data management, ideal for systems requiring frequent updates.
    - Advanced Security: Provides software and hardware write protection, complement array protection, and OTP locks.
    - Space-Efficient Packaging: Available in various compact form factors (SOIC, WSON, USON).
    This makes it an excellent choice for applications demanding high-speed data transfer, low power usage, and superior reliability.
    4. Application Case Studies and Usage Recommendations
    Application Case: Firmware Storage for IoT Devices
    IoT devices require small form-factor memories capable of fast boot times and secure data storage. The W25Q40BW fits perfectly here with its Continuous Read Mode, which reduces boot times by minimizing instruction overhead. Using the Quad SPI mode can double or quadruple the read speed compared to traditional serial flash.
    Usage Recommendation:
    - Use the Continuous Read Mode for efficient execution-in-place (XIP) functionality.
    - For devices operating at extreme temperatures, consider adding external temperature monitoring to maintain optimal performance.
    Application Case: Industrial Automation Systems
    In industrial environments, memory must endure harsh conditions while ensuring reliable operation. The W25Q40BW supports a

W25Q40BWSNIG参数

参数
接口类型 SPI-Quad I/O
存储容量 512KB
最小工作供电电压 1.65V
编程电压 1.65V~1.95V
最大访问时间 7ns
组织 4MX1
最大时钟频率 80MHz
最大工作供电电压 1.95V
输出使能访问时间 -
存储器类型 FLASH,Non-Volatile
数据保留时长 20Year
长*宽*高 4.9mm*3.9mm*1.75mm
通用封装 SOIC-8
安装方式 贴片安装
应用等级 工业级
零件状态 停产
包装方式 管装

W25Q40BWSNIG数据手册

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WINBOND/台湾华邦 带电可擦可编程只读存储器(EEPROM) WINBOND/台湾华邦 W25Q40BWSNIG W25Q40BWSNIG数据手册

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价格梯度 中国香港交货 内地交货(含增值税)
100+ ¥ 3.2508
库存: 1000
起订量: 100 增量: 100
交货地:
最小起订量为:100
合计: ¥ 325.08
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