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Product Overview
The SN74LS157N is a high-speed quad 2-to-1 data selector/multiplexer from Texas Instruments, designed for digital logic applications. It features four independent multiplexers, each with two data inputs (A and B) and a common select input (S). The outputs provide the selected data in true (non-inverted) form. The device operates from a single 5V supply and is characterized for operation from 0°C to 70°C. Housed in a 16-pin PDIP package, it is ideal for through-hole PCB assembly.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
4.75V to 5.25V |
| Propagation Delay (tpd) |
8 ns typical |
| Input Voltage (VIH) |
2V min |
| Input Voltage (VIL) |
0.8V max |
| Output Current (IOH) |
-0.4 mA |
| Output Current (IOL) |
8 mA |
| Operating Temperature |
0°C to 70°C |
| Package |
16-PDIP |
Key Features
- Quad 2-to-1 multiplexer with common select
- Non-inverted outputs
- Schottky-clamped for high speed
- Low power consumption: 20 mW typical
- Wide operating voltage range: 4.75V to 5.25V
- Standard 16-pin DIP package
Target Applications
- Data routing in 5G base station control logic
- Signal selection in automotive dashboard displays
- Multiplexing in industrial PLCs
- Address decoding in memory systems
- Function selection in test equipment
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74LS157N. 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
SN74LS157N 是一款來自德州儀器的高速四路2選1數據選擇器/多路復用器,專為數字邏輯應用設計。它包含四個獨立的多路復用器,每個具有兩個數據輸入(A和B)和一個公共選擇輸入(S)。輸出以同相(非反相)形式提供所選數據。該器件在單一5V電源下工作,並在0°C至70°C範圍內特性化。採用16引腳PDIP封裝,適合通孔PCB組裝。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
4.75V 至 5.25V |
| 傳播延遲 (tpd) |
典型 8 ns |
| 輸入高電平 (VIH) |
最小 2V |
| 輸入低電平 (VIL) |
最大 0.8V |
| 輸出高電平電流 (IOH) |
-0.4 mA |
| 輸出低電平電流 (IOL) |
8 mA |
| 工作溫度 |
0°C 至 70°C |
| 封裝 |
16-PDIP |
核心特性
- 四路2選1多路復用器,帶公共選擇
- 同相輸出
- 肖特基鉗位,實現高速
- 低功耗:典型 20 mW
- 寬工作電壓範圍:4.75V 至 5.25V
- 標準16引腳DIP封裝
典型應用場景
- 5G基站控制邏輯中的數據路由
- 汽車儀表盤顯示中的信號選擇
- 工業PLC中的多路復用
- 存儲器系統中的地址解碼
- 測試設備中的功能選擇
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 SN74LS157N 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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現貨庫存,即日發貨:確保現貨充足。下午 4 點前確認訂單,即可安排當天寄出。
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深港聯動,結算靈活:深圳直發全球,物流高效可靠;支援香港銀行戶口轉賬及多幣種結算。
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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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100% 原廠正貨:承諾所有供應零件均為原裝現貨,品質嚴格把關,來源清晰可追溯。
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符合 RoHS 認證:所有電子元器件均符合國際環保標準及相關安全認證。
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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。
以上產品均為原廠正貨,提供 BOM 配單及現貨庫存支援,歡迎查詢。
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