WMSIC Electronic Components

PUYA P24C08C-UNH-MIR P24C08C

ModelP24C08C-UNH-MIR
PackageUDFN
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 25+

Available for RFQ

Technical data

Product details

14 specifications

Core information

Product name
PUYA P24C08C-UNH-MIR
Type
PUYA
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
PUYA
Electronic Component
P24C08C-UNH-MIR
Electronic Component
1
Package
UDFN
Electronic Component
EEPROM
Electronic Component
0.024g
Electronic Component
1
Electronic Component
BM0265000765
Electronic Component
Electronic Component
Electronic Component
3000

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

P24C08C-UNH-MIR 产品概述

一、产品简介

P24C08C-UNH-MIR 为 PUYA(普冉)出品的一款串行 I²C EEPROM 存储器,属于 24Cxx 系列家族。该器件以小尺寸 UDFN 封装为载体,集成了页写(Page Write)机制、硬件写保护(Hardware Write Protect)以及噪声抑制等功能,适合对体积、可靠性和抗干扰能力有要求的嵌入式存储应用。器件面向存储少量配置数据、参数与标识信息的场景,便于在系统上实现低功耗、可靠的数据保存与读取。

二、主要功能与特点

  • 页写保护功能:支持页写操作,允许在一个页面边界内一次性写入多字节数据,提高写入效率并降低总线占用时间。页写机制配合合理的软件控制,可减少写周期次数与系统功耗。
  • 硬件写保护功能:提供硬件写保护引脚(WP),可通过外部电平快速锁定/解锁写入能力,防止非授权或错误写入,便于在产品出厂、固件升级或关键配置保护时使用(具体信号电平与功能定义请参照器件数据手册)。
  • 噪声抑制功能:在器件内部集成对 I²C 信号的噪声抑制与滤波设计(包括输入滤波/去抖等),增强在工业或 EMI 环境下的数据稳定性,降低因瞬态干扰导致的通信错误几率。
  • 标准 I²C 通信:兼容常见的两线串行总线接口,支持标准的读写操作模式(如字节写、页写、当前地址读、随机读以及顺序读),便于与主控 MCU / SoC 快速集成。
  • 小尺寸封装:UDFN 低剖面封装,适用于空间受限的移动设备、消费电子与工业产品。

三、封装与机械特性

  • 封装类型:UDFN(超薄、低高度),在 PCB 布局上具有高度集成性,适合对空间和外形有严格限制的终端设备。
  • 可焊接性:UDFN 适配标准回流焊工艺,便于 SMT 生产线的批量贴装。
  • 散热与可靠性:虽为小封装,但合理的 PCB 走线和接地平面有助于器件热管理与信号完整性。对环境与可靠性要求较高的场合,请结合制造商提供的焊接与回流曲线执行。

四、典型应用场景

  • 消费电子:蓝牙耳机、智能穿戴、机顶盒等用于存储配对信息、用户设置与设备序列号。
  • 工业控制:控制器配置参数、校准数据与设备唯一标识的安全保存。
  • 物联网终端:传感器节点、网关设备中用于本地配置信息与固件版本记录。
  • 通用嵌入式系统:作为外部非易失性存储器保存关键运行参数和校验数据。

五、设计与使用建议

  • 电源与去耦:在 VCC 与 GND 之间尽可能靠近器件引脚放置 0.1 μF 陶瓷去耦电容,以抑制电源噪声并提升通信稳定性。
  • I²C 总线布局:SDA、SCL 上应使用合适阻值的上拉电阻(常见范围 4.7 kΩ–10 kΩ,依据总线速度与总线加载确定),并避免长线与强干扰信号平行布线。必要时可在 SDA/SCL 加入小阻(例如 22–100 Ω)或共模滤波器以改善信号质量。
  • WP(写保护)使用:将 WP 接到外部控制脚以实现动态写保护策略。出厂/部署阶段可将 WP 置为写保护状态以防止配置被误改,升级或调试时再解除保护。具体 WP 的电平含义以厂方数据手册为准。
  • 页写使用策略:利用页写可显著提升效率,但注意不要跨页写入(越过页面边界会导致数据回绕或部分写入)。在写入大块数据时,分块写并读回校验可保证数据完整性。
  • 抗噪声措施:若应用环境存在较强 EMI,建议在 I²C 总线近器件处加装差分/共模滤波器或串联小阻,并确保接地良好。必要时引入软件层面的重试机制与 ACK 校验以提高通信鲁棒性。

六、注意事项与规格确认

在实际设计与生产前,请务必查阅并参照 PUYA 提供的 P24C08C-UNH-MIR 最新数据手册,确认诸如电源电压范围、最大通信速率、页大小、写入周期时间、数据保持期、耐久写次数、环境温度等级以及 WP 的具体电平定义等关键参数。若用于高可靠性或特殊法规(例如车规级)场景,请咨询厂家以确认器件的合规性与可靠性验证情况。

总结:P24C08C-UNH-MIR 以小巧的 UDFN 封装、页写与硬件写保护以及噪声抑制设计,适合多种需要可靠非易失性存储的应用。结合合理的 PCB 布局与总线抗干扰设计,可在复杂环境中提供稳定的数据保存与访问能力。

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