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Product Overview
The SN74LVC244ARKSR from Texas Instruments is a high-performance octal buffer and line driver designed for 3.3V systems. It features 8 non-inverting channels with 3-state outputs, making it ideal for driving bus lines or buffering memory address registers. The device operates over a wide voltage range of 1.65V to 3.6V, ensuring compatibility with both 1.8V and 3.3V logic levels. Housed in a compact 20-VQFN (2.5x4.5mm) package, it offers excellent signal integrity and reduced board space.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
1.65V to 3.6V |
| Input Voltage (VI) |
0V to 5.5V |
| Output Voltage (VO) |
0V to VCC |
| High-Level Output Current (IOH) |
-24mA at 3.3V |
| Low-Level Output Current (IOL) |
24mA at 3.3V |
| Propagation Delay (tpd) |
3.8ns typical at 3.3V |
| Input Capacitance (CI) |
4pF typical |
| Operating Temperature |
-40°C to +125°C |
| Package |
20-VQFN (2.5x4.5mm) |
Key Features
- Wide supply voltage range: 1.65V to 3.6V
- 5.5V tolerant inputs for mixed-voltage systems
- High drive strength: ±24mA at 3.3V
- Low propagation delay: 3.8ns typical
- 3-state outputs for bus-oriented applications
- ESD protection exceeds JESD 22 (2000V HBM)
- RoHS compliant and lead-free
Target Applications
- 5G base station control boards (e.g., buffer for FPGA configuration)
- Automotive dashboard displays (e.g., driving LED indicators)
- Industrial PLCs (e.g., buffering sensor inputs)
- Networking equipment (e.g., line driver for backplane buses)
- Consumer electronics (e.g., memory address buffering in set-top boxes)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74LVC244ARKSR. 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
SN74LVC244ARKSR 是德州儀器(TI)推出的一款高性能八通道緩衝器和線路驅動器,專為3.3V系統設計。它包含8個同相通道,帶三態輸出,非常適合驅動匯流排或緩存記憶體位址暫存器。該器件可在1.65V至3.6V的寬電壓範圍內工作,兼容1.8V和3.3V邏輯電平。採用緊湊的20-VQFN(2.5x4.5mm)封裝,提供優異的信號完整性和更小的電路板空間。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
1.65V 至 3.6V |
| 輸入電壓 (VI) |
0V 至 5.5V |
| 輸出電壓 (VO) |
0V 至 VCC |
| 高電平輸出電流 (IOH) |
-24mA (3.3V時) |
| 低電平輸出電流 (IOL) |
24mA (3.3V時) |
| 傳播延遲 (tpd) |
典型值3.8ns (3.3V時) |
| 輸入電容 (CI) |
典型值4pF |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
20-VQFN (2.5x4.5mm) |
核心特性
- 寬電源電壓範圍:1.65V 至 3.6V
- 5.5V 容限輸入,適用於混合電壓系統
- 高驅動能力:±24mA (3.3V時)
- 低傳播延遲:典型值3.8ns
- 三態輸出,適用於匯流排應用
- ESD 保護超過 JESD 22 (2000V HBM)
- 符合 RoHS 標準,無鉛
典型應用場景
- 5G 基站控制板(例如:FPGA 配置緩衝)
- 汽車儀表板顯示(例如:驅動 LED 指示燈)
- 工業 PLC(例如:感測器輸入緩衝)
- 網路設備(例如:背板匯流排線路驅動)
- 消費電子(例如:機上盒記憶體位址緩衝)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 SN74LVC244ARKSR 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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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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