WMSIC Electronic Components

Siproin PM004MNIATR

ModelPM004MNIATR
PackageSOP-8
BrandSIPROIN
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
Siproin PM004MNIATR
Type
SIPROIN
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SIPROIN
Electronic Component
PM004MNIATR
Electronic Component
1
Package
SOP-8
Electronic Component
Random Access Memory(RAM)
Electronic Component
0.236g
Electronic Component
1
Features
Data
Electronic Component
BM0227161855
Electronic Component
4Mbit
Operating Temperature
40℃~+85℃
Operating Voltage
2.7V~3.6V
Interface Type
SPI
Electronic Component
Electronic Component
Electronic Component
2500

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

PM004MNIATR 产品概述

一、核心参数

PM004MNIATR 是上海矽朋(Siproin)推出的一款 SPI 接口非易失性 MRAM,存储容量 4Mbit(等于 512KB),工作电压 2.7V ~ 3.6V(典型 3.3V),工作温度范围 -40℃ ~ +85℃,封装为 SOP-8。器件定位为工业级随机存取存储器,兼顾高速访问与断电数据保持。

二、主要特性

  • 存储架构:MRAM(磁阻式随机存取存储器),提供与 SRAM 相似的随机读写特性并具备非易失性。
  • 接口:标准 SPI,总线占用少,易于与主控 MCU/FPGA 集成。
  • 容量与性能:4Mbit 容量适用于程序配置、缓存和日志等中等容量存储需求;读写延迟低、支持字节或页级操作(具体命令及时序以芯片手册为准)。
  • 耐久与可靠性:MRAM 写入寿命远高于传统闪存/EEPROM,适合频繁写操作场景;无需擦写周期管理。
  • 电气与环境:宽电压供电、工业温度等级,适合多数工业与商用环境长期运行。

三、优势亮点

  • 非易失性:断电后数据保持,无需电池或超级电容备份。
  • 高耐久:适合大量写入、日志记录及频繁配置更新的应用,降低系统维护复杂度。
  • 快速随机访问:读写速度接近 SRAM,能够支持对时序敏感的数据操作。
  • 简单接口:SPI 总线广泛支持,节省 MCU 引脚与系统复杂度。

四、典型应用场景

  • 工业控制与自动化设备:配置参数存储、日志与故障记录。
  • 物联网与通信终端:设备配置、固件小规模缓存、频繁状态更新。
  • 仪表与计量设备:需长期保存计量数据且经常写入的场景。
  • 嵌入式系统:替代 EEPROM/Flash 做高速、可重复写的非易失性存储。

五、封装与可靠性说明

SOP-8 封装便于批量贴片生产与手工调试,标准引脚排列符合常见 SOIC-8 底座。器件经过工业温度范围测试,适应震动、短时温度波动等工况;建议参照官方器件手册查看完整的静电、热阻与可靠性测试数据。

六、设计与使用建议

  • 电源旁路:在 VCC 引脚附近放置合适电容(如 0.1µF 与 1µF 组合)以抑制瞬态噪声。
  • SPI 引脚管理:CS、SCLK、MOSI、MISO、(若有)HOLD/WP 等控制脚不应悬空,按手册规定上拉/下拉配置。
  • 时序与命令:在设计前阅读 PM004MNIATR 时序与指令集说明,依据主控时钟能力选取合适的 SPI 速率。
  • PCB 布局:尽量缩短高频信号回路,合理布置地平面,提升信号完整性与 EMI 抗扰能力。

七、总结

PM004MNIATR 将 MRAM 的高速随机访问与非易失性结合,适用于对写入耐久性与数据保持有较高要求的工业级应用。其 SPI 接口与 SOP-8 封装便于系统集成,是替代 EEPROM/Flash 在频繁写入场景中的理想选择。欲获取完整电气特性、时序图与指令集,请向供应商索取 PM004MNIATR 详细数据手册与参考设计。

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