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Product Overview
The SN74LS253D is a dual 4-line to 1-line data selector/multiplexer from Texas Instruments, featuring 3-state outputs. It is designed for high-performance digital systems where data routing and selection are required. The device operates from a 5V supply and is characterized for operation from 0°C to 70°C. Housed in a 16-pin SOIC package, it offers a compact solution for space-constrained applications.
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 = -400µA) |
| Output Low Voltage (VOL) |
0.5V max (IOL = 8mA) |
| Propagation Delay (tpd) |
18ns typ (A to Y) |
| Power Dissipation |
45mW typ |
| Operating Temperature |
0°C to 70°C |
| Package |
16-SOIC |
Key Features
- Dual 4-line to 1-line multiplexer with common select inputs
- 3-state outputs for bus-oriented systems
- Schottky-clamped transistors for high speed
- Low power consumption: 45mW typical
- Input clamp diodes limit negative transients
- Compatible with TTL logic levels
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 telecommunications equipment
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74LS253D. 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
SN74LS253D 是德州儀器推出的雙路4選1數據選擇器/多路復用器,具有三態輸出。它專為需要數據路由和選擇的高性能數字系統設計。器件工作在5V電源下,工作溫度範圍為0°C至70°C。採用16引腳SOIC封裝,為空間受限的應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) |
4.75V 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 = -400µA) |
| 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) |
| 功耗 |
典型值 45mW |
| 工作溫度 |
0°C 至 70°C |
| 封裝 |
16-SOIC |
核心特性
- 雙路4選1多路復用器,共用選擇輸入
- 三態輸出,適用於總線系統
- 肖特基箝位晶體管,實現高速
- 低功耗:典型值45mW
- 輸入箝位二極管限制負向瞬態
- 與TTL邏輯電平兼容
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
- 存儲器系統中的地址解碼
- 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 SN74LS253D 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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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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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。
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