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ON MC14017BDR2G
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- ON MC14017BDR2G
- Type
- ON
- Unit
- Electronic Component
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- ON
- Electronic Component
- MC14017BDR2G
- Electronic Component
- 1
- Package
- 16-SOIC
- Electronic Component
- Counter / Divider
- Electronic Component
- 0.192g
- Electronic Component
- 1
- Electronic Component
- Electronic Component
- Electronic Component
- 1
- Features
- Programmable Division;; Static
- Electronic Component
- BM0257638588
- Reset
- Electronic Component
- Operating Temperature
- 55℃~+125℃
- Operating Voltage
- 3V~18V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
MC14017BDR2G 产品概述
一、概述
MC14017BDR2G 是安森美（ON Semiconductor）出品的一款十进制（10 分频）上计数器集成电路，以单一元件实现 0–9 的计数功能。器件为正边沿触发、同步计时的计数器，同时提供异步复位引脚，封装为 16-SOIC，适用于宽电源和工业级温度范围的计数与分频应用。
二、主要特性
- 逻辑类型：十进制（10 分频）上计数器。
- 计数方向：向上计数（0→9 循环）。
- 触发沿：正（上）升沿触发。
- 计时方式：内部计数为同步时序；复位为异步复位。
- 计数速率：最高 16 MHz（典型应用时需考虑上升/下降时间与负载）。
- 工作电压：宽电压范围 3 V 至 18 V，适配多种系统电源。
- 工作温度：工业级 -55 ℃ 至 +125 ℃。
- 传播延迟（tpd）：约 230 ns（典型值，应结合系统时序余量评估）。
- 包装：16-SOIC，单片元件封装，便于 PCB 布局与量产。
三、引脚与封装要点
MC14017BDR2G 采用标准 16 引脚 SOIC 封装，常见引脚包括时钟输入、并行/串行输出（取决内部驱动）、异步复位以及电源引脚（VDD/VSS）。封装利于手工焊接与自动贴装，适合中高密度板级设计。
四、工作与时序要点
器件对时钟信号要求较高：应保证干净的上升沿以触发计数，时钟频率不超过 16 MHz。尽管时序为同步计数，但复位为异步，复位返回到计数器时请注意复位释放与时钟边沿的相对时序，以避免竞态或不确定状态。传播延迟约 230 ns，应在系统时序预算中预留裕量。
五、典型应用
- 十进制分频器与事件计数（如按键计数、生产线计数器）。
- 数码管/LED 驱动前端计数段。
- 时序控制、步进序列发生器与状态机的分频模块。
- 教学与原型验证中的通用计数模块。
六、使用建议与注意事项
- 电源去耦：VDD 与 VSS 之间应并联 0.1 μF 陶瓷电容，靠近封装引脚放置以抑制瞬态。
- 时钟线应走短线并做好阻抗控制或在输入端加小串联电阻以抑制反射与振铃。
- 异步复位信号避免长线路噪声干扰，必要时并联滤波或使用上拉/下拉电阻。
- 在接近极限频率工作时，需验证在目标负载与温度下的稳定性与传播延迟变化。
- 审核电平兼容性：器件支持 3 V 至 18 V，但与其他逻辑器件互连时请确认电平匹配或采用电平移位电路。
七、订购信息与替代型号
型号：MC14017BDR2G，品牌：ON（安森美）；封装：16-SOIC。选择时注意批号与温度等级。常见替代为 MC14017B 系列同类型号或其他厂商等效十进制计数器，但在互换前请核对时序、格局与引脚定义。
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