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Product Overview
The SN74ALS157AD is a high-performance quad 2-line to 1-line data selector/multiplexer from Texas Instruments, designed for 4.5V to 5.5V operation. It features four multiplexers with common select and enable logic, providing efficient data routing in digital systems. Housed in a 16-SOIC package, it offers a compact solution for space-constrained applications.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
4.5V to 5.5V |
| Input Voltage (VI) |
0V to 5.5V |
| Output Voltage (VO) |
0V to VCC |
| High-Level Input Voltage (VIH) |
2V (min) |
| Low-Level Input Voltage (VIL) |
0.8V (max) |
| High-Level Output Current (IOH) |
-15 mA (max) |
| Low-Level Output Current (IOL) |
24 mA (max) |
| Propagation Delay (tpd) |
10 ns (typ) at 5V, 50pF |
| Operating Temperature |
0°C to 70°C |
| Package |
16-SOIC |
Key Features
- Quad 2-line to 1-line multiplexer with common select and enable
- Buffered inputs and outputs
- Low power consumption: 20 mW (typ) at 5V
- High speed: tpd = 10 ns (typ) at 5V, 50pF
- Input clamp diodes limit high-speed termination effects
- ESD protection exceeds 2000V per MIL-STD-883, Method 3015
Target Applications
- Data routing in 5G base station control boards
- Signal selection in automotive dashboard displays
- Multiplexing in industrial PLC I/O modules
- Address decoding in memory systems
- Bus interface in telecom equipment
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74ALS157AD. Our core advantages include:
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24/7 Global Customer Support: Professional team providing instant
quotes and technical support worldwide.
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In-stock Inventory, Same-day Shipping: We maintain localized stock;
orders confirmed before 4 PM are shipped the same day.
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HK-SZ Synergy, Flexible Settlement: Direct global shipping from
Shenzhen with support for HK bank transfers and multi-currency.
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Escrow Secured Transactions: We support Escrow.com for secure
transactions, ensuring peace of mind for batch orders.
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BOM Kitting & Sampling Services: Specialized sourcing for
testing samples and urgent shortage components.
Quality Assurance & Compliance
Jasin Chip guarantees that all delivered products are 100% original factory stock
with full quality assurance and traceability.
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100% Original & Authentic: All components are guaranteed to
be authentic with strict quality control.
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RoHS Compliant: All electronic components comply with international
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
SN74ALS157AD 是德州儀器的一款高性能四路2線至1線數據選擇器/多路復用器,設計用於4.5V至5.5V工作電壓。它包含四個具有公共選擇和使能邏輯的多路復用器,提供數字系統中的高效數據路由。採用16-SOIC封裝,為空間受限的應用提供緊湊解決方案。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
4.5V 至 5.5V |
| 輸入電壓 (VI) |
0V 至 5.5V |
| 輸出電壓 (VO) |
0V 至 VCC |
| 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) |
| 高電平輸出電流 (IOH) |
-15 mA (最大值) |
| 低電平輸出電流 (IOL) |
24 mA (最大值) |
| 傳播延遲 (tpd) |
10 ns (典型值) 在5V, 50pF |
| 工作溫度 |
0°C 至 70°C |
| 封裝 |
16-SOIC |
核心特性
- 四路2線至1線多路復用器,帶公共選擇和使能
- 緩衝輸入和輸出
- 低功耗:20 mW (典型值) 在5V
- 高速:tpd = 10 ns (典型值) 在5V, 50pF
- 輸入鉗位二極管限制高速終端效應
- ESD保護超過2000V,符合MIL-STD-883方法3015
典型應用場景
- 5G基站控制板中的數據路由
- 汽車儀表盤顯示中的信號選擇
- 工業PLC I/O模塊中的多路復用
- 存儲系統中的地址解碼
- 電信設備中的總線接口
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 SN74ALS157AD 提供全面的供應鏈與批發解決方案。
我們的核心優勢包括:
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全天候環球客戶支援:專業團隊為您提供即時報價及技術支援,無需漫長等待。
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Escrow 擔保交易:支援 Escrow.com 平台交易,保障買賣雙方權益,小批量訂單亦可安心在線下單。
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BOM 配單與樣板服務:提供樣板測試及認證支援。專注一站式 BOM 配套及緊急缺料採購服務。
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Jasin Chip 承諾所有出貨產品均為原廠正貨,具備完善的品質保證及產品可追溯性。
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原廠封裝保護:嚴格保留原廠原始包裝及封條,確保物流過程中的靜電防護 (ESD) 與物理安全。
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