WMSIC Electronic Components

XTX XT25F128FSSIGU-W XT25F128FSSIGU

ModelXT25F128FSSIGU-W
PackageSOP-8
BrandXTX
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
XTX XT25F128FSSIGU-W
Type
XTX
Minimum package
90 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
XTX
Electronic Component
XT25F128FSSIGU-W
Electronic Component
1
Package
SOP-8
Electronic Component
NOR FLASH
Electronic Component
0.25g
Electronic Component
1
Electronic Component
BM0264982906
Electronic Component
128Mbit
Operating Temperature
40℃~+85℃
Operating Voltage
2.7V~3.6V
Current
0.5uA
Interface Type
SPI
Electronic Component
100000
Clock Frequency(fc)
133MHz

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

XT25F128FSSIGU-W 产品概述

XT25F128FSSIGU-W 是芯天下(XTX)推出的一款高性能串行闪存,容量 128 Mbit,支持标准 SPI 以及双/四线 SPI(Dual/Quad-SPI)工作模式,旨在为嵌入式系统、消费电子和工业控制等应用提供可靠的代码存储和数据存储方案。器件采用 SOP-8 封装,工作电压宽 (2.7V–3.6V),并具备多重写保护与低功耗特性,适应严苛环境与长期可靠性要求。

一、主要规格亮点

  • 存储容量:128 Mbit
  • 接口类型:标准 SPI,支持 Dual/Quad SPI(四线/双线 SPI)加速数据吞吐
  • 最大工作时钟频率 (fc):133 MHz
  • 工作电压范围:2.7 V ~ 3.6 V
  • 待机电流:0.5 μA(低功耗待机)
  • 擦写寿命:100,000 次(块擦写耐久)
  • 页写入时间 (Tpp):400 μs(典型)
  • 块擦除时间 (tBE):250 ms @ 64 KB(典型)
  • 数据保留(TDR):20 年
  • 工作温度范围:-40 ℃ ~ +85 ℃
  • 封装:SOP-8
  • 品牌:XTX(芯天下)

二、引脚与接口说明(关键引脚)

器件支持标准串行外设接口及扩展的双/四线操作,关键信号定义如下:

  • SCLK:串行时钟输入
  • CS#:片选
  • I/O0 (SI):串行数据输入(标准 SPI MOSI)
  • I/O1 (SO):串行数据输出(标准 SPI MISO)
  • I/O2 (WP#):写保护输入(在四线模式下作为数据线)
  • I/O3 (HOLD#/RESET#):暂停/复位控制(在四线模式下作为数据线)

在设计中应注意 WP# 和 HOLD#/RESET# 的电平定义及必要的上拉/下拉,以避免进入非预期状态并保证可靠的写保护与中断控制。

三、功能特性(安全与保护)

  • 硬件写保护:通过 WP# 引脚实现对整个器件或部分区域的硬件写保护
  • 绝对写保护:支持对特定区域设置不可擦写/不可编程的保护策略
  • 写使能锁存(Write Enable Latch):在执行写或擦除前必须设置写使能,防止误写
  • 软件写保护:通过指令设置软件级的保护区域,便于灵活控制

结合硬件和软件的多重保护机制,XT25F128FSSIGU-W 能在固件更新、保密数据存储及防止意外擦写方面提供更高的安全性。

四、性能与可靠性

器件最大时钟 133 MHz,可在标准 SPI 模式下实现高速读取;在 Dual/Quad 模式下通过并行 I/O 进一步提高数据吞吐,适合频繁读写与大容量程序镜像的快速加载。典型页编程时间为 400 μs,64 KB 块擦除时间约 250 ms,擦写寿命 100,000 次并保证 20 年的数据保留,满足工业级与车载类长期存储需求。低待机电流(0.5 μA)使其在电池供电系统中也能维持极低的静态功耗。

五、应用场景

适合以下典型应用:

  • 嵌入式主控与引导代码存储(Boot ROM)
  • 物联网设备与传感终端固件存储
  • 消费电子设备(机顶盒、电视、机顶盒等)固件和配置数据
  • 工业控制、仪器仪表与通信设备的程序与配置保存
  • 需要长期保存和高写入寿命的存储需求场景

六、设计建议与注意事项

  • 电源与时序:遵守 2.7V–3.6V 工作电压,建议在 VCC 端放置合适的去耦电容(例如 0.1 μF 与 1 μF 并联)以抑制瞬态噪声。
  • 引脚电平与复位:为 WP# 和 HOLD#/RESET# 提供稳健的拉升/拉低电路,避免在上电或高速通信时误触发保护或暂停。
  • 接地与布局:高速 SPI 信号须注意走线长度与阻抗匹配,CS、SCLK、I/O 线尽量短且远离高噪声信号源;接地良好以降低 EMI 与信号抖动。
  • 编程与擦写:在进行大量擦写操作时,遵循厂家建议的擦写周期与磨损均衡策略,必要时结合软件层的 wear-leveling 机制延长整体寿命。
  • ESD 与焊接:在组装与维护过程中注意静电防护与推荐的焊接条件,避免超过器件最大应力。

七、封装与订购信息

  • 型号:XT25F128FSSIGU-W
  • 封装:SOP-8
  • 品牌:XTX(芯天下)

如需进一步的电气特性、命令集、时序图或 PCB 封装图,请联系供应商索取完整数据手册(Datasheet)与参考设计,以确保在具体应用中获得最佳性能与可靠性。

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