WMSIC Electronic Components

BELLING BL34C04A-NTRC BL34C04A

ModelBL34C04A-NTRC
PackageUDFN-8L-EP(2x3)
BrandBELLING
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
BELLING BL34C04A-NTRC
Type
BELLING
Minimum package
3000 卷

Technical parameters

Electronic Component
Electronic Component
Electronic Component
BELLING
Electronic Component
BL34C04A-NTRC
Electronic Component
1
Package
UDFN-8L-EP(2x3)
Electronic Component
EEPROM
Electronic Component
0.02g
Electronic Component
1
Electronic Component
BM0264565763
Electronic Component
4Kbit
Operating Temperature
0℃~+95℃
Operating Voltage
1.7V~3.6V
Interface Type
I2C
Electronic Component
100
Clock Frequency(fc)
1MHz
Electronic Component
Electronic Component

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

BL34C04A-NTRC 产品概述

一、产品简介

BL34C04A-NTRC 是贝岭(BELLING)推出的一款高可靠性串行 EEPROM,容量为 4Kbit,采用 I2C 总线接口,封装为 UDFN-8L-EP (2x3)。器件支持高达 1MHz 的 I2C 时钟频率,工作电压范围宽(1.7V ~ 3.6V),适用于多种低功耗与便携式系统。

二、主要特性

  • 存储容量:4Kbit(静态非易失性存储)
  • 接口类型:I2C,总线速率可达 1MHz
  • 写周期时间(Tw):3 ms(典型)
  • 数据保持(TDR):100 年,适合长期数据保存
  • 写入寿命:100 万次写循环,适合高频次写入应用
  • 写保护:支持软件写保护与硬件写保护(WP)
  • 抗干扰:内置噪声抑制功能,提升总线稳定性
  • 工作温度:0℃ ~ +95℃(适合民用与商业环境)

三、典型应用场景

适用于消费电子、智能家居与照明、可穿戴设备、仪表校准数据存储、参数与配置保存、生产序列号与日志记录等需要可靠非易失存储的场合。宽电压支持利于电池供电系统设计,但注意器件工作温度限制,非工业级高温场合需评估。

四、设计与使用建议

  • 电源去耦:在 VCC 端靠近芯片放置 0.1µF 陶瓷去耦电容,降低电源噪声对写入可靠性的影响。
  • I2C 总线:SDA/SCL 需外接上拉电阻,阻值根据总线容量与速率选取(常用 2k–10kΩ)。尽量保持总线走线短并加 ESD 保护。
  • 写保护:合理使用硬件 WP 引脚(短接/拉高或拉低)与软件写保护功能,防止误写入。
  • 写入管理:遵循写周期时间(Tw),可采用写完成轮询或延时机制避免冲突;对于高频写入场合,考虑分散写地址(磨损均衡)以延长整体寿命。
  • PCB 布局:UDFN-8L-EP 的底部散热/地垫(EP)应焊接至 PCB 焊盘并通过过孔接地以利热散与信号完整性。

五、封装与可靠性说明

UDFN-8L-EP (2x3) 提供小尺寸与良好散热性能,适合高密度 PCB 布局。器件的长期数据保持与百万次写入寿命使其在需要高可靠性的配置与校准数据保存中表现优异。具体的引脚定义、时序与典型应用电路请参考贝岭官方 Datasheet,以便完成符合规范的硬件与固件设计。

如需进一步的规格细节、样片或参考电路图,请参阅贝岭提供的完整资料。

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