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ZD25WD20BUIGR
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Zetta ZD25WD20BUIGR
- Type
- ZETTA
- Minimum package
- 3000 原盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- ZETTA
- Electronic Component
- ZD25WD20BUIGR
- Electronic Component
- 1
- Package
- DFN8 2x3x0.50mm
- Electronic Component
- NOR FLASH
- Electronic Component
- 0.03g
- Electronic Component
- 1
- Features
- positions
- Electronic Component
- BM0264500216
- Electronic Component
- 2Mbit
- Operating Temperature
- 40℃~+85℃
- Operating Voltage
- 1.65V~3.6V
- Current
- 12uA
- Interface Type
- SPI
- Electronic Component
- 100000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
ZD25WD20BUIGR 产品概述
一、产品简介
ZD25WD20BUIGR 是澜智（Zetta）推出的一款高可靠性 SPI NOR Flash，存储密度为 2Mbit（256KB）。器件工作电压宽泛（1.65V 至 3.6V），最大 SPI 时钟频率可达 104MHz，适配低功耗及高性能嵌入式系统。封装为小尺寸 USON-8-EP（DFN8 2×3×0.50mm），并提供 Tape & Reel 卷带供料，适合自动贴片生产线。
二、主要规格
- 存储容量：2Mbit（256KB）
- 接口类型：SPI（兼容主流 SPI 控制器）
- 最大时钟：104MHz
- 工作电压：1.65V ~ 3.6V
- 待机电流：典型 12µA
- 工作温度：-40°C ~ +85°C
- 页写入时间（Tpp）：约 2ms
- 块擦除时间（tBE）：约 10ms（64KB）
- 擦写寿命：100,000 次
- 数据保留（TDR）：20 年
三、功能特性
- 硬件写保护与绝对写保护：提供物理级别的写保护机制，防止误写或固件被篡改。
- 写使能锁存（Write Enable Latch）：标准写使能流程，保证编程/擦除操作的受控触发。
- 软件写保护：通过命令配置区域性保护，适合固件管理与版本控制。
- 上电复位（POR）：内置上电复位电路，保证电源瞬变时器件回到可知状态。
- 低功耗特性：在待机时极低电流，有利于电池供电设计。
四、封装与可靠性
- 封装：DFN8（2.0×3.0×0.50mm），带露铜散热/接地焊盘（EP），有助于热管理与可靠焊接。
- 装带方式：Tape & Reel，方便 SMT 自动化生产。
- 可靠性：支持 100k 次擦写循环与 20 年数据保持，满足工业级长期存储需求。
五、设计建议
- 电源旁路：在 VCC 近端放置 0.1µF 陶瓷旁路电容，降低高频抖动；若存在长电源线，建议增加 1µF~4.7µF 旁路。
- 焊盘与散热：推荐将器件底部露铜焊盘与 PCB 接地相连并通过过孔导热，以利于焊接与散热。
- 电平兼容：若主控电压超过 3.6V，需使用电平移位；器件支持宽电压范围，适合多种系统。
- 写保护管理：在需要长期数据安全的应用中，优先使用硬件/绝对写保护，并在固件更新流程中明确写使能步骤与超时保护。
- 时序遵循：编程前务必发出写使能命令并等待 tPP/tBE 等操作完成再进行下一步访问。
六、典型应用
- MCU/MPU 引导存储（Boot ROM）
- 配置与参数存储（Calibration、Device ID）
- 工业控制器与仪表
- 物联网终端、可穿戴设备与低功耗传感节点
ZD25WD20BUIGR 在体积、低压、低功耗与工业级可靠性之间取得平衡，适合需要稳定闪存存储和防误写保护的嵌入式及工业应用。若需引脚图、命令集或参考电路图，建议下载澜智官方数据手册以获取完整时序与寄存器说明。
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