WMSIC Electronic Components

PUYA P25Q32SH-SSH-IT P25Q32SH

ModelP25Q32SH-SSH-IT
PackageSOP-8
BrandPUYA
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
PUYA P25Q32SH-SSH-IT
Type
PUYA
Minimum package
10000 管

Technical parameters

Electronic Component
Electronic Component
Electronic Component
PUYA
Electronic Component
P25Q32SH-SSH-IT
Electronic Component
1
Package
SOP-8
Electronic Component
NOR FLASH
Electronic Component
0.064g
Electronic Component
1
Electronic Component
BM0259702088
Operating Temperature
40℃~+85℃
Operating Voltage
2.3V~3.6V
Current
10uA
Interface Type
SPI
Clock Frequency(fc)
120MHz
Electronic Component
Electronic Component
Electronic Component
10000

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

P25Q32SH-SSH-IT 产品概述

一、产品简介

P25Q32SH-SSH-IT 是 PUYA(普冉)推出的一款性能均衡、成本优化的串行外设接口(SPI)非易失性 NOR 闪存器件。器件容量为 32Mbit(4MByte),采用标准 SOP-8 封装,适配工业级工作温度范围,适合存放启动代码、固件、配置参数及数据日志等对可靠性和读速有要求的嵌入式应用。

二、主要基础参数

  • 接口类型:SPI(串行外设接口)
  • 最大时钟频率(fc):120 MHz
  • 工作电压:2.3 V ~ 3.6 V
  • 待机电流(Standby):10 μA(典型)
  • 页写入时间(Tpp):1.6 ms(单页编程典型)
  • 块擦除时间(tBE):16 ms @ 32 KB 块
  • 工作温度范围:-40 ℃ ~ +85 ℃(工业级)
  • 封装形式:SOP-8
  • 品牌:PUYA(普冉)

三、功能特性与优势

  • 硬件写保护:支持独立的硬件写保护引脚,可在系统需要时物理锁定闪存,防止误写或被篡改。
  • 写使能锁存(WEL):通过写使能命令对写/擦操作进行授权,配合状态寄存器检查可提高写操作的安全性。
  • 软件写保护:支持基于寄存器的扇区/块级软件保护机制,便于灵活控制可写区域。
  • 高速 SPI:最高支持 120 MHz 时钟,满足对代码执行速度或高速数据读取的需求。
  • 低功耗待机:典型待机电流仅 10 μA,适合电池供电或功耗敏感场景。
  • 工业级温度范围:-40 ℃ 至 +85 ℃,适应较为苛刻的环境。

这些特性使 P25Q32SH 在固件存储、系统引导以及需要高可靠性、低功耗的工业或物联网终端中具有明显优势。

四、典型应用场景

  • MCU/MPU 启动代码与固件存储(外部引导/Shadow ROM)
  • 工业控制器、仪表的非易失性参数与日志存储
  • IoT 终端、无线模块固件与配置信息保存
  • 消费电子产品的固件升级与数据备份(需配合写保护机制)
  • 嵌入式系统的代码执行/XIP(在某些系统架构下)

五、系统集成与使用建议

  • 电源与去耦:在 VCC 引脚附近放置合适值的去耦电容(如 0.1 μF 与 1 μF),确保电源在高频 SPI 传输或擦写/编程过程中稳定。
  • 写保护策略:对需长期保护的数据,建议同时使用硬件写保护引脚与软件写保护寄存器双重保护;用于固件更新时通过外部逻辑或 MCU 控制解除。
  • 写/擦操作流程:编程或擦除前必须发送写使能(WREN)命令,并在操作后通过读取状态寄存器(BUSY 标志)轮询确认完成,避免在进行擦写时发起新的命令。
  • PCB 布局:SPI 信号线尽量短且并行长度一致,避免长线引入串扰;SOP-8 封装无散热大面积铜箔,注意高温环境下功耗管理。
  • 时序与命令:遵循器件时序限制,合理安排 CS、CLK、MOSI、MISO 等信号时序,确保 120 MHz 下信号完整性。
  • 可靠性考虑:对重要数据建议配合校验/备份机制(CRC、冗余存储),并在写入前后做完整性校验。

六、封装与订购信息

  • 标称型号:P25Q32SH-SSH-IT
  • 封装:SOP-8 表面贴装封装,适配常见 8 引脚焊盘设计。
  • 工作温度/等级:-40 ℃ ~ +85 ℃(工业级)
  • 建议在采购买时确认批次与存储寿命要求,并与供应商确认可用编程/固件升级策略。

总结:P25Q32SH-SSH-IT 以其工业级温度范围、低功耗待机、高达 120 MHz 的 SPI 性能以及多重写保护机制,适合对成本、可靠性、读速都有要求的嵌入式与工业应用。在系统设计时注意电源去耦、信号完整性与写保护策略,可充分发挥该器件的稳定性与性能。若需更详细的时序图或指令集参考,请向渠道或 PUYA 官方索取完整数据手册。

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