WMSIC Electronic Components

LX CD74HC30M(LX) CD74HC30M

ModelCD74HC30M(LX)
PackageSOP-14
BrandLX
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
LX CD74HC30M(LX)
Type
LX
Minimum package
4000 卷

Technical parameters

Electronic Component
LX
Electronic Component
CD74HC30M(LX)
Electronic Component
1
Package
SOP-14
Electronic Component
Logic Gate
Electronic Component
CD74HC
Electronic Component
0.242g
Electronic Component
1
Channel Count
1
Electronic Component
BM0259314316
Operating Temperature
40℃~+125℃
Operating Voltage
2V~6V
Logic Type
and Gate
Current(IOH)
5.2mA
Current(IOL)
5.2mA
Channel Count
8

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

CD74HC30M(LX) 产品概述

一、概述

CD74HC30M(LX) 是一款高速度 CMOS 逻辑器件,属于 CD74HC 系列的 8 输入与非门(8-input NAND)。器件采用 SOP-14 封装,由灵星芯微(LX)生产,工作电压范围宽(2.0 V ~ 6.0 V),适合各种中低电压数字系统中的门级逻辑合并与胶水逻辑(glue logic)应用。其低静态电流和较高的输出驱动能力使其在功耗与驱动能力之间取得较好平衡,适用于电池供电及工业级温度场合(-40 ℃ ~ +125 ℃)。

二、主要规格(典型/代表值)

  • 逻辑类型:与非门(8 输入 NAND)
  • 系列:CD74HC
  • 封装:SOP-14
  • 工作电压(VCC):2.0 V ~ 6.0 V
  • 静态电流 Iq:约 2 μA(典型)
  • 输出电流:IOL / IOH = 5.2 mA(典型)
  • 传播延迟 tpd:26 ns @ VCC = 4.5 V、CL = 50 pF(典型)
  • 工作温度:-40 ℃ ~ +125 ℃
  • 输入通道数:8(单单元包含 8 个并联输入以实现 8 输入 NAND 功能)

注:如下阈值与输出电平为在不同 VCC 下的典型参考值(HC 家族的门限通常可以近似按 VCC 的比例估算):

  • 输入高电平 VIH(典型):VCC = 2.0 V → 1.5 V;VCC = 4.5 V → 3.15 V;VCC = 6.0 V → 4.2 V
  • 输入低电平 VIL(典型):VCC = 2.0 V → ≈0.5 V;VCC = 4.5 V → 1.35 V;VCC = 6.0 V → 1.8 V
  • 输出高电平 VOH(典型):VCC = 2.0 V → ≈1.9 V;VCC = 4.5 V → ≈4.4 V;VCC = 6.0 V → ≈5.9 V
  • 输出低电平 VOL(典型):在不同负载条件下可见 100 mV ~ 260 mV 级别

三、典型应用场景

  • 数字逻辑汇总(将多路信号合并为单一路逻辑判断)
  • 微控制器与外设间的门级接口或中间逻辑
  • 报警、优先级判断与使能逻辑
  • 电池供电系统或需要宽 VCC 范围的系统(2 V~6 V)
  • 通用胶水逻辑(glue logic)与原型电路

四、设计与使用要点

  1. 供电与去耦:在 VCC 引脚附近放置 0.1 μF 陶瓷去耦电容,靠近芯片的电源/地引脚焊盘,以抑制瞬态噪声并改善瞬时驱动能力。
  2. 驱动能力与负载:IOH/IOL 典型驱动约 5.2 mA,适合驱动多路 CMOS 或少量 LED 指示(需考虑电阻限制)。如需驱动更大电流,应增加缓冲器或驱动器以避免输出电平降额。
  3. 输入阈值:HC 系列的输入阈值随 VCC 比例变化,设计时应按目标 VCC 下的 VIH/VIL 余量来保证可靠切换,避免处于亚稳态区。
  4. 禁止直接跨电压连接:若系统中存在不同 VCC 域(例如 3.3 V 与 5 V),请做好电平移位或保证信号源在目标阈值范围内,避免超出输入绝对最大值。
  5. 时序与负载电容:传播延迟受负载电容影响,典型值为 26 ns(VCC = 4.5 V,CL = 50 pF)。高频系统或大负载时需评估时延和上升/下降沿失真。

五、封装与布局建议

  • 封装:SOP-14,适合常规贴片组装。SOP 封装具有良好的焊接强度与热散逸特性。
  • 布局建议:电源地回路尽量短而粗,VCC 与 GND 端加局部去耦。输入线避免长长度并行,输出若驱动长线或大电容负载建议加上缓冲或 RC 抑制器以降低环路振荡或 EMI。

六、可靠性与注意事项

  • 温度范围:-40 ℃ ~ +125 ℃,满足工业级应用需求。
  • ESD 与稳压:作为 CMOS 器件,推荐在设计层面做好静电保护,避免在无防护情况下插拔器件。
  • 最大额定值:请遵循厂商完整数据手册关于绝对最大额定值的要求(如 VCC 最大 6.5 V 或误差范围、输入电压相对于 VCC 的限制等),以免损坏器件。

总结:CD74HC30M(LX) 是一款适用面广、静态功耗极低且具备合理驱动能力的 8 输入与非门,适合在需要合并多路信号或实现简单复杂逻辑判断的中低速数字电路中使用。使用时注重去耦、输入阈值设计与负载能力评估,可在宽温度和宽电压范围内稳定工作。若需量产或做高可靠性设计,建议参考 LX 官方完整数据手册并与供应商确认器件的详细电气特性与测试条件。

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