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TI SN74LS14DR
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- TI(Texas Instruments) SN74LS14DR
- Type
- TI
- Unit
- Electronic Component
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- TI(Texas Instruments)
- Electronic Component
- SN74LS14DR
- Electronic Component
- 1
- Package
- SOIC-14
- Electronic Component
- Inverter
- Electronic Component
- 74LS
- Electronic Component
- 0.264g
- Electronic Component
- 1
- Electronic Component
- 1
- Channel Count
- 6
- Features
- Electronic Component
- Electronic Component
- BM0000641313
- Operating Temperature
- 0℃~+70℃
- Operating Voltage
- 4.75V~5.25V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SN74LS14DR 产品概述
1. 产品简介
SN74LS14DR 是由德州仪器 (Texas Instruments, TI) 设计和生产的一款高性能、低功耗的施密特触发器，采用14引脚 SOIC 表面贴装封装。该器件包含六个独立的反相器，适用于多种逻辑电平转换和信号整形应用。由于其引入了施密特触发器的特性，相较于普通反相器，其在输入信号的转换过程中具有更强的抗干扰能力和高噪声裕度，从而在实际电路设计中表现出色。
2. 主要特性
SN74LS14DR 的关键特点包括：
- 施密特触发器功能：拥有内置的施密特触发机制，确保输入信号的平滑切换，降低由信号噪声引起的误触发。
- 逻辑电平：其逻辑电平高(1.9V)和逻辑电平低(0.5V)表现出极好的电平识别能力，确保在多种操作条件下保持稳定状态。
- 传播延迟：在5V电源与15pF负载条件下，最大传播延迟为22ns，为高速数字电路设计提供了支持。
- 工作温度：器件可在0°C到70°C的环境下稳定工作，适用于绝大多数工业和消费类电子设备。
- 电流输出能力：在输出高电平时，最大输出电流为400µA；而在输出低电平时，最大输出电流为8mA，能够驱动一定的负载。
3. 工作电压与电流条件
SN74LS14DR 的输入和输出工作电压范围为4.75V到5.25V，适合于标准的TTL（晶体管-晶体管逻辑）电路。其设计允许在电源电压发生轻微变化的情况下仍能保持可靠的逻辑操作，从而为客户提供灵活的系统设计选择。
4. 应用场景
凭借其出色的特性，SN74LS14DR 可广泛应用于以下各个领域：
- 信号整形：可用于清理不规则的信号，以确保后续电路中逻辑电平的可靠性和准确性。
- 方波产生：在需要产生周期性方波信号的应用中，使用施密特触发器可轻松产生稳定的方波输出。
- 逻辑电平转换：用于不同逻辑电平之间的转换，解决多个子系统或组件间互联时的兼容性问题。
- 定时和脉冲生成电路：在定时器和各种自动控制电路中，施密特触发器通常被用来精确控制时间和脉冲宽度。
5. 封装信息
SN74LS14DR 采用14-SOIC封装，方便表面贴装，适用于现代电子设计中越来越紧凑的空间要求。其散热性能良好，有助于提高器件的可靠性和运营效率。
6. 结论
作为一款高效、低功耗的施密特触发器，SN74LS14DR 在电路设计中的多功能性和可靠性使其成为许多应用场景下的优选方案。其结构紧凑、性能卓越、适用性广泛的优点，确保了其能够应对当今电子设备中的复杂需求。对于需要稳定信号整形、精确控制及逻辑电平转换的工程师而言，SN74LS14DR 是一个值得信赖的选择。
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