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Product Overview
The SN74AHCT157DR from Texas Instruments is a high-speed CMOS quad 2-input multiplexer designed for digital signal routing in 5V systems. It features four independent multiplexers, each selecting one of two data inputs based on a common select input. The device operates with TTL-compatible inputs and offers low power consumption, making it suitable for a wide range of applications including data acquisition, communication systems, and industrial control. Housed in a 16-pin SOIC package, it provides a compact solution for board-level signal multiplexing.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
4.5V to 5.5V |
| Input Voltage Range |
0V to 5.5V |
| High-Level Input Voltage (VIH) |
2V (min) |
| Low-Level Input Voltage (VIL) |
0.8V (max) |
| Propagation Delay (tpd) |
8.5 ns (typ) at 5V, 50pF |
| Output Current (IOH/IOL) |
±8 mA |
| Operating Temperature |
-40°C to +85°C |
| Package |
16-SOIC |
Key Features
- Quad 2-input multiplexer with common select and strobe
- TTL-compatible inputs for easy interfacing
- Low power consumption: ICC max 40 µA
- High speed: propagation delay 8.5 ns typical
- ESD protection exceeds 2000V per MIL-STD-883
- Available in 16-SOIC package for space-constrained designs
Target Applications
- 5G base station control logic: signal routing for antenna array calibration
- Automotive dashboard display: selecting sensor data for infotainment systems
- Industrial PLC: multiplexing input signals from multiple sensors
- Data acquisition systems: channel selection in multichannel ADCs
- Consumer electronics: mode selection in set-top boxes
Global Supply Chain & Wholesale Solutions
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SN74AHCT157DR. Our core advantages include:
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24/7 Global Customer Support: Professional team providing instant
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with full quality assurance and traceability.
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be authentic with strict quality control.
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environmental and safety standards.
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Original Factory Packaging: We maintain original factory packaging
and seals to ensure ESD protection and physical integrity.
產品概述
SN74AHCT157DR 是德州儀器推出的一款高速 CMOS 四路 2 輸入多路復用器,專為 5V 系統中的數字信號路由設計。它包含四個獨立的多路復用器,每個根據公共選擇輸入從兩個數據輸入中選擇一個。該器件具有 TTL 兼容輸入和低功耗特性,適用於數據採集、通信系統和工業控制等多種應用。採用 16 引腳 SOIC 封裝,為板級信號多路復用提供了緊湊的解決方案。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
4.5V 至 5.5V |
| 輸入電壓範圍 |
0V 至 5.5V |
| 高電平輸入電壓 (VIH) |
2V (最小值) |
| 低電平輸入電壓 (VIL) |
0.8V (最大值) |
| 傳播延遲 (tpd) |
8.5 ns (典型值,5V,50pF) |
| 輸出電流 (IOH/IOL) |
±8 mA |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
16-SOIC |
核心特性
- 四路 2 輸入多路復用器,帶公共選擇和選通
- TTL 兼容輸入,便於接口設計
- 低功耗:ICC 最大 40 µA
- 高速:傳播延遲典型值 8.5 ns
- ESD 保護超過 2000V(符合 MIL-STD-883)
- 採用 16-SOIC 封裝,適合空間受限的設計
典型應用場景
- 5G 基站控制邏輯:天線陣列校準的信號路由
- 汽車儀表盤顯示:為信息娛樂系統選擇傳感器數據
- 工業 PLC:多路傳感器輸入信號的多路復用
- 數據採集系統:多通道 ADC 的通道選擇
- 消費電子:機頂盒的模式選擇
環球供應鏈與批發合作夥伴方案
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