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Product Overview
The SN74LS251NE4 is a high-performance 8-input digital multiplexer from Texas Instruments, featuring 3-state outputs. It selects one of eight binary data sources based on a 3-bit address input. The device is designed for TTL logic levels and operates from a single 5V supply. The 3-state outputs allow connection to a common bus, making it ideal for data routing and signal selection in digital systems.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
4.75V to 5.25V |
| Input High Voltage (VIH) |
2V min |
| Input Low Voltage (VIL) |
0.8V max |
| Output High Voltage (VOH) |
2.7V min (IOH = -0.4mA) |
| Output Low Voltage (VOL) |
0.5V max (IOL = 8mA) |
| Propagation Delay (tpd) |
18ns typ (A to Y) |
| Operating Temperature |
0°C to 70°C |
| Package |
16-PDIP |
Key Features
- 8-input multiplexer with 3-state outputs
- 3-bit binary address input
- Enable input for output control
- TTL-compatible inputs and outputs
- Low power consumption
- Standard 16-pin DIP package
Target Applications
- Data routing in 5G base station control logic
- Signal selection in automotive dashboard displays
- Address decoding in memory systems
- Bus-oriented systems requiring 3-state outputs
- Industrial control systems
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74LS251NE4. 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
SN74LS251NE4 是德州儀器 (TI) 生產的高性能 8 輸入數字多路復用器,具有三態輸出。它根據 3 位地址輸入選擇八個二進制數據源之一。該器件設計用於 TTL 邏輯電平,並在單一 5V 電源下工作。三態輸出允許連接到公共總線,非常適合數字系統中的數據路由和信號選擇。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
4.75V 至 5.25V |
| 輸入高電平 (VIH) |
最小值 2V |
| 輸入低電平 (VIL) |
最大值 0.8V |
| 輸出高電平 (VOH) |
最小值 2.7V (IOH = -0.4mA) |
| 輸出低電平 (VOL) |
最大值 0.5V (IOL = 8mA) |
| 傳播延遲 (tpd) |
典型值 18ns (A 到 Y) |
| 工作溫度 |
0°C 至 70°C |
| 封裝 |
16-PDIP |
核心特性
- 8 輸入多路復用器,帶三態輸出
- 3 位二進制地址輸入
- 使能輸入用於輸出控制
- TTL 兼容輸入和輸出
- 低功耗
- 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
- 汽車儀表板顯示中的信號選擇
- 存儲器系統中的地址解碼
- 需要三態輸出的總線系統
- 工業控制系統
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 SN74LS251NE4 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。
品質保證與合規
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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HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
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