WMSIC Electronic Components

HGSEMI CD4040BE

ModelCD4040BE
PackageDIP-16
BrandHGSEMI
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
HGSEMI CD4040BE
Type
HGSEMI
Minimum package
25 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HGSEMI
Electronic Component
CD4040BE
Electronic Component
1
Package
DIP-16
Electronic Component
Counter / Divider
Electronic Component
1.62g
Electronic Component
Electronic Component
Electronic Component
1
Electronic Component
BM0264215873
Reset
Electronic Component
Operating Temperature
40℃~+85℃
Operating Voltage
3V~15V
Electronic Component
12MHz
Electronic Component
Electronic Component
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.

CD4040BE 12位二进制异步计数器产品概述

一、产品核心定位与基本属性

CD4040BE是华冠半导体(HGSEMI)推出的12位二进制异步计数器,属于经典4000系列CMOS逻辑器件,采用DIP-16通孔封装,主要用于数字电路中的分频、计数、定时等基础功能。该器件以异步计数方式工作,支持异步复位,兼容宽电压范围,是工业控制、消费电子、原型开发等领域的常用成熟器件。

二、关键技术参数详解

CD4040BE的核心参数需结合应用场景重点关注,具体如下:

  1. 计数特性:12位二进制向上计数,异步触发(前级输出作为后级时钟,无全局同步信号),时钟触发沿为下降沿,异步复位(复位信号独立于时钟,触发后立即清零所有输出)。
  2. 电气参数:工作电压范围3V~15V(覆盖5V、12V等常见电源),最高计数速率12MHz(Vcc=15V时典型值),传播延迟(tpd)150ns(Vcc=15V时),扇出能力20个TTL负载(CMOS→TTL兼容)。
  3. 环境参数:工作温度-40℃+85℃(工业级范围,适应低温户外、高温车间场景),存储温度-65℃+150℃。

三、封装与引脚功能说明

CD4040BE采用DIP-16双列直插封装,引脚布局清晰,便于手工焊接与原型调试,具体定义如下:

引脚编号 功能说明 备注 1 CP(时钟输入) 下降沿触发计数 2 Q1(输出) 最低位(2⁰) 3 Q2(输出) 2¹ 4 Q3(输出) 2² 5 Q4(输出) 2³ 6 Q5(输出) 2⁴ 7 GND(地) 电源地 8 Q6(输出) 2⁵ 9 Q7(输出) 2⁶ 10 Q8(输出) 2⁷ 11 Q9(输出) 2⁸ 12 Q10(输出) 2⁹ 13 Q11(输出) 2¹⁰ 14 Vcc(电源) 3V~15V输入 15 R(复位) 高电平有效,异步清零所有Q 16 Q12(输出) 最高位(2¹¹)

四、典型应用场景解析

CD4040BE因结构简单、功能实用,广泛应用于以下场景:

  1. 分频器:利用12位二进制特性,可实现2ⁿ分频(n=1~12)。例如:输入12MHz时钟,Q12输出频率为12MHz÷4096≈2.93kHz,满足低频信号提取需求。
  2. 定时电路:配合32768Hz晶振分频,可生成1Hz基准时钟(需级联CD4060扩展分频),用于数字时钟的秒计数模块。
  3. 脉冲计数:对传感器输入的脉冲信号计数,计数到4095(12位全1)后清零,适合短周期脉冲统计(如流量传感器计数)。
  4. 序列发生器:通过Q输出端组合,生成12位二进制序列,用于数字电路的状态切换或控制信号生成。

五、性能优势与使用注意事项

5.1 核心优势

  • 宽电压兼容:3V~15V电源范围,适配5V Arduino、12V工业电源等不同系统。
  • 低功耗设计:CMOS工艺静态功耗<1μW,适合电池供电的便携设备。
  • 异步结构简单:无需同步时钟,级联扩展容易(串联多个CD4040可实现更高位数计数)。
  • 高噪声容限:输入高电平>0.7Vcc,低电平<0.3Vcc,抗干扰能力强。

5.2 注意事项

  • 复位端防误触:R引脚高电平有效,需通过10kΩ电阻下拉到GND,避免悬空误复位。
  • 时钟信号要求:时钟上升/下降时间建议<1μs,若用RC振荡需匹配电阻电容值。
  • 电源防护:严禁超过15V,电源极性需正确(Vcc→14脚,GND→7脚)。
  • 静电防护:CMOS器件对静电敏感,操作时需佩戴防静电手环。

六、产品可靠性与应用建议

HGSEMI的CD4040BE经工业级可靠性测试(温度循环、湿度老化),满足-40℃~+85℃工作要求,适合户外监控、工业自动化等场景。原型开发可直接用DIP-16封装在面包板搭建;批量生产可选择SOP-16贴片封装,焊接温度需控制在260℃以下(时间<10s)。

该器件凭借成熟工艺与稳定性能,成为数字电路设计中高频使用的基础计数器,可快速满足分频、计数等核心需求。

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