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ON MC74HC138ADR2G
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- ON MC74HC138ADR2G
- 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
- MC74HC138ADR2G
- Electronic Component
- 1
- Package
- SOIC-16-150mil
- Type
- Decoder
- Electronic Component
- Signal Switch / Codec / Multiplexer
- Electronic Component
- 0.298g
- Electronic Component
- 1
- Electronic Component
- BM0127457471
- Operating Temperature
- 55℃~+125℃
- Operating Voltage
- 2V~6V
- Power Supply
- Power Supply
- Current(IOH)
- 25mA
- Current(IOL)
- 5.2mA
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
MC74HC138ADR2G 产品概述
一、产品背景
MC74HC138ADR2G 是安森美（ON Semiconductor）公司出品的一款高性能解码器和多路分解器，适用于各种数字电路中的信号开关和地址解码。在现代电子产品中，解码器的应用极为广泛，从简单的LED指示灯控制到复杂的微处理器地址解码，MC74HC138ADR2G都能满足需求，提供高效的信号处理能力。
二、基本参数
MC74HC138ADR2G 基于高性能CMOS技术，具有如下基本参数：
- 电路类型: 1 x 3：8
- 独立电路: 1个
- 输出电流: 高电流与低电流均为 5.2mA，适合低功耗设备
- 供电电压范围: 2V ~ 6V，广泛兼容不同电源情况
- 工作温度范围: -55°C ~ 125°C，适合各种工作环境
- 安装类型: 表面贴装型
- 封装类型: 16-SOIC（0.154"，3.90mm 宽），紧凑设计便于在密集电路板上布置
三、功能特点
MC74HC138ADR2G 的主要功能是将输入的三位二进制地址信号解码成一个八路输出信号，具有以下特点：
低功耗特性: 采用CMOS技术，功耗显著低于传统TTL解码器，适合便携式和电池供电应用。
高效的逻辑控制: 该器件支持3:8解码功能，每一输出端可直接控制相关的逻辑电路，如开关、指示灯等，简化了电路设计。
高抗干扰能力: 能够在广泛的工作温度范围内稳定工作，确保在恶劣环境下仍具有较高的稳定性和抗干扰能力。
容易连接: SOIC-16 封装设计，适合自动化表面贴装，节省 PCB空间并简化生产工艺。
灵活的电源选择: 支持2V到6V的供电电压，能够广泛适用于不同的微控制器和逻辑电路工作环境。
四、应用场景
MC74HC138ADR2G广泛应用于许多电子设备中，主要包括：
地址解码: 在微处理器或微控制器应用中，用于地址解码和选择存储器或外设的功能。
信号控制: 在家电和消费电子产品中，用作信号选择和控制的多路复用器。
LED驱动: 在LED显示器和指示灯控制电路中，作为开关控制器，驱动多路LED闪烁或显示。
实验与测试设备: 在实验设备中，用于信号选择和数据采集的多路控制，方便测试和调试。
五、总结
MC74HC138ADR2G 是一款性能出色的解码器和多路分解器，凭借其低功耗、高稳定性及宽电压输入特点，使其在现代电子设计中具有广泛的应用价值。无论是在消费类电子产品，还是在工业控制、汽车电子等领域，MC74HC138ADR2G 都能够提供可靠的解决方案，成为许多设计师和工程师首选的解码器。通过简单的引脚连接和灵活的配置，MC74HC138ADR2G 将在各类应用中充分发挥其独特的优势。
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