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Zetta ZD25D40CNJGR
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Zetta ZD25D40CNJGR
- Type
- ZETTA
- Minimum package
- 3000 原盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- ZETTA
- Electronic Component
- ZD25D40CNJGR
- Electronic Component
- 1
- Package
- DFN8 1.5x1.5x0.45mm
- Electronic Component
- NOR FLASH
- Electronic Component
- 0.043g
- Electronic Component
- 1
- Electronic Component
- BM0264678796
- Electronic Component
- 4Mbit
- Operating Temperature
- 40℃~+105℃
- Operating Voltage
- 2.7V~3.6V
- Current
- 8uA
- Interface Type
- SPI
- Electronic Component
- 100000
- Clock Frequency(fc)
- 104MHz
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
ZD25D40CNJGR 产品概述
一、产品简介
ZD25D40CNJGR 为澜智（Zetta）推出的一款 SPI NOR FLASH 存储器，容量 4Mbit（512KB），工作电压范围 2.7V ~ 3.6V，最高工作时钟频率 104MHz。器件采用紧凑的 USON-8-EP/DFN8（1.5×1.5×0.45mm）封装，带底部散热焊盘，适合空间受限且需可靠存储的嵌入式和工业应用。
二、主要特性
- 存储容量：4 Mbit（512 KB）
- 接口类型：SPI（标准串行外设接口），支持高达 104MHz 时钟
- 电源电压：2.7V ~ 3.6V
- 工作温度：-40 ℃ ~ +105 ℃（工业级）
- 待机电流：典型 8 µA（省电，适合低功耗系统）
- 页写入时间（Tpp）：约 1.1 ms
- 块擦除时间（tBE）：约 2.6 ms
- 擦写寿命：100,000 次（典型）
- 数据保持（TDR）：20 年
- 封装：DFN8 1.5×1.5×0.45 mm，带外露焊盘（EP）
三、保护与可靠性功能
ZD25D40CNJGR 支持多种写保护机制，提升数据完整性与安全性：
- 硬件写保护（WP 引脚）
- 绝对写保护（保护整个器件或特定区域）
- 写使能锁存（WEL）
- 软件写保护（SR 寄存器位配置） 这些保护可结合使用，满足固件防篡改与关键参数保护需求。
四、典型应用场景
- MCU 引导代码和固件存储（Boot ROM）
- 工业控制与通讯设备的参数与日志存储
- 物联网终端与传感节点的配置数据保存
- 消费类与便携设备需要小容量非易失性存储的场合
五、设计建议与注意事项
- 电源去耦：靠近 VCC 引脚放置 0.1 µF 陶瓷电容以抑制瞬态噪声。
- WP/HOLD 管脚：若不使用请通过合适电平固定，避免悬空造成不可预期的写保护或中断。
- 写入策略：配合擦写寿命合理分配擦写次数，使用 wear-leveling 或块管理可延长寿命。
- 布线与焊接：注意底部散热焊盘焊接完整以改善热性能与可靠性，按厂家建议的回流曲线焊接。
六、总结
ZD25D40CNJGR 以小尺寸封装、工业级温度范围和完善的写保护功能，适用于对可靠性、功耗和占板面积有较高要求的嵌入式与工业应用。其 100k 次擦写寿命与 20 年数据保持能力确保长期稳定存储，是代码及关键参数存储的理想选择。若需详细电气参数与引脚定义，请参阅澜智官方规格书。
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