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Product Overview
The SN74ALS244CDW is a high-performance octal buffer and line driver designed by Texas Instruments (TI) to provide improved speed and drive capability for bus-oriented systems. This device features eight non-inverting buffers with three-state outputs, making it ideal for driving heavily loaded memory arrays, data buses, and backplanes. Housed in a compact 20-SOIC package, the SN74ALS244CDW operates over a wide voltage range and offers advanced Schottky-clamped transistor logic (ALS) technology for reduced power consumption and enhanced noise immunity.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
4.5 V to 5.5 V |
| Input Voltage Range |
0 V to 5.5 V |
| Output Current (IOH/IOL) |
-15 mA / 24 mA |
| Propagation Delay (tpd) |
6 ns (typical) at 5 V |
| Operating Temperature |
0°C to 70°C |
| Package |
20-SOIC (7.5 mm width) |
| Logic Family |
ALS (Advanced Low-Power Schottky) |
| Number of Channels |
8 (non-inverting) |
| Output Type |
3-State |
Key Features
- High-speed propagation delay: 6 ns typical at 5 V
- Low power consumption: 27 mW typical per gate
- Three-state outputs for bus-oriented applications
- Input hysteresis for improved noise margin
- ESD protection exceeds 2000 V per MIL-STD-883
- Compatible with TTL and CMOS logic levels
- Available in 20-SOIC package for space-constrained designs
Target Applications
- 5G base station control boards: driving address/data buses between FPGAs and memory modules
- Automotive dashboard display systems: buffering signals from microcontrollers to LED drivers
- Industrial PLC I/O modules: isolating and driving relay coils and sensor inputs
- Telecommunications routers: buffering backplane signals for line cards
- Medical imaging equipment: driving data lines between acquisition boards and processing units
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74ALS244CDW. 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
SN74ALS244CDW 是德州儀器 (TI) 生產的高性能八路緩衝器和線路驅動器,專為匯流排系統設計,提供更快的速度和更強的驅動能力。該器件包含八個同相緩衝器,帶有三態輸出,非常適合驅動高負載記憶體陣列、數據匯流排和背板。採用緊湊的 20-SOIC 封裝,SN74ALS244CDW 在寬電壓範圍內工作,並採用先進的肖特基箝位晶體管邏輯 (ALS) 技術,以降低功耗並增強抗噪性。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
4.5 V 至 5.5 V |
| 輸入電壓範圍 |
0 V 至 5.5 V |
| 輸出電流 (IOH/IOL) |
-15 mA / 24 mA |
| 傳播延遲 (tpd) |
6 ns (典型值) 在 5 V 下 |
| 工作溫度 |
0°C 至 70°C |
| 封裝 |
20-SOIC (7.5 mm 寬) |
| 邏輯系列 |
ALS (先進低功耗肖特基) |
| 通道數 |
8 (同相) |
| 輸出類型 |
三態 |
核心特性
- 高速傳播延遲:5 V 下典型值 6 ns
- 低功耗:每個門典型值 27 mW
- 三態輸出,適用於匯流排應用
- 輸入遲滯,改善噪聲容限
- ESD 保護超過 2000 V (MIL-STD-883)
- 兼容 TTL 和 CMOS 邏輯電平
- 提供 20-SOIC 封裝,適合空間受限設計
典型應用場景
- 5G 基站控制板:驅動 FPGA 與記憶體模組之間的地址/數據匯流排
- 汽車儀表盤顯示系統:緩衝微控制器到 LED 驅動器的信號
- 工業 PLC I/O 模組:隔離並驅動繼電器線圈和傳感器輸入
- 電信路由器:緩衝背板信號到線路卡
- 醫療成像設備:驅動採集板與處理單元之間的數據線
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 SN74ALS244CDW 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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