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W25Q20EWSNIG

产品分类: 闪存(Flash)
厂牌: WINBOND/台湾华邦
产品描述: 2Mb (256K x 8) 1.65V 20mA 1.95V 104MHz SPI SOP 贴片安装 4.85mm*3.9mm*1.45mm
供应商型号: W25Q20EWSNIG-ND
供应商: Digi-Key
标准整包数: 1
WINBOND/台湾华邦 闪存(Flash) W25Q20EWSNIG

W25Q20EWSNIG概述

    # W25Q20EW Serial Flash Memory: A Comprehensive Overview
    1. Product Introduction
    The W25Q20EW is a high-performance 2M-bit serial flash memory designed to provide storage solutions in applications where space, power, and pin count are critical constraints. It is part of the W25Q series, which offers enhanced flexibility and performance over conventional serial flash devices. This product is ideal for code shadowing, direct execution from dual/quad SPI (XIP), and storage of voice, text, and data. With a single power supply ranging from 1.65V to 1.95V, the W25Q20EW ensures ultra-low power consumption, consuming as little as 1µA during power-down.
    Key features include a uniform architecture with 4KB sectors, 32KB blocks, and 64KB blocks, enabling efficient data and parameter storage. Its compatibility with Standard SPI, Dual SPI, and Quad SPI protocols allows it to achieve high-speed data transfer rates, reaching up to 50 MB/s under optimized conditions.
    Primary Applications:
    - Embedded systems requiring compact memory solutions.
    - IoT devices, wearable electronics, and portable gadgets.
    - Systems demanding high-speed data storage and retrieval.
    2. Technical Parameters
    Performance Specifications:
    - Capacity: 2M-bit / 256K-byte
    - Programming Page Size: 256 bytes per page
    - Sector/Block Organization:
    - Sectors: 64 sectors (each 4KB)
    - Blocks: 8 blocks of 32KB and 4 blocks of 64KB
    - Clock Frequency: Up to 104 MHz (equivalent 208 MHz for Dual SPI and 416 MHz for Quad SPI)
    - Operating Voltage: 1.65V to 1.95V
    - Current Consumption:
    - Active mode: ~1mA
    - Standby mode: <1µA (typical)
    Electrical Characteristics:
    - Standby Current: <1µA
    - Active Current: ~1mA
    - Operating Temperature Range: Industrial (-40°C to +85°C)
    - Data Retention: Over 20 years
    Package Types:
    - SOIC 150-mil (Package Code SN)
    - VSOP 150-mil (Package Code SV)
    - USON 2x3mm (Package Code UX)
    - USON 4x3mm (Package Code UU)
    - WLCSP (Package Code BY)
    3. Product Features and Advantages
    Unique Features:
    - Flexible Architecture: Uniform 4KB sectors enable fine-grained data management.
    - High-Speed Data Transfer: Achieves up to 50 MB/s through quad I/O operations.
    - Advanced Security: Includes programmable write protection and multiple security registers with OTP locks.
    - Comprehensive Compatibility: Supports JEDEC manufacturer/device ID and unique serial numbers.
    Market Competitiveness:
    The W25Q20EW stands out due to its high-performance capabilities and energy efficiency, making it a superior choice for space-constrained applications. Its advanced security features and flexible partitioning options provide robust data protection, giving it an edge over competitors.
    4. Application Case Studies and Usage Recommendations
    Application Example:
    The W25Q20EW is commonly used in IoT devices for storing firmware and configuration data. Its small 4KB sectors are particularly beneficial for storing frequently updated parameters without erasing entire blocks.
    Usage Recommendations:
    1. Optimized Power Management: Utilize the low-power mode to extend battery life in battery-powered devices.
    2. Error Handling: Implement error-checking routines during data writes to ensure data integrity.
    3. Memory Partitioning: Allocate specific sectors for firmware and user data to avoid accidental overwrites.
    5. Compatibility and Support
    The W25Q20EW is fully compliant with the JEDEC standard, ensuring seamless integration with a wide range of microcontrollers and processors. Additional package options such as KGD (Known Good Die) are available upon request from the manufacturer.
    Winbond provides comprehensive technical support, including detailed application notes, software tools, and a customer service team to assist with integration and troubleshooting.
    6. Common Issues and Solutions
    |

W25Q20EWSNIG参数

参数
存储容量 2Mb (256K x 8)
最大供电电流 20mA
最大时钟频率 104MHz
最大工作供电电压 1.95V
最小工作供电电压 1.65V
组织 -
数据总线宽度 -
接口类型 SPI
长*宽*高 4.85mm*3.9mm*1.45mm
通用封装 SOP
安装方式 贴片安装
应用等级 工业级
零件状态 在售
包装方式 托盘

W25Q20EWSNIG数据手册

厂牌 PDF简要描述 下载
WINBOND/台湾华邦 闪存(Flash) WINBOND/台湾华邦 W25Q20EWSNIG W25Q20EWSNIG数据手册

W25Q20EWSNIG封装设计

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价格梯度 中国香港交货 内地交货(含增值税)
1+ $ 0.483 ¥ 4.0814
10+ $ 0.4543 ¥ 3.8384
25+ $ 0.4425 ¥ 3.7393
50+ $ 0.4069 ¥ 3.4387
100+ $ 0.3836 ¥ 3.2099
300+ $ 0.37 ¥ 3.0967
500+ $ 0.3638 ¥ 3.0441
1000+ $ 0.3552 ¥ 2.9728
5000+ $ 0.3355 ¥ 2.8081
库存: 52
起订量: 1 增量: 1
交货地:
最小起订量为:1
合计: ¥ 4.08
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