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Product Overview
The SN74ALS638ADW is a high-performance 8-bit bus transceiver from Texas Instruments, designed for bidirectional asynchronous communication between data buses. It features inverting outputs and 3-state outputs, allowing for bus isolation and multiplexing. Housed in a 20-pin SOIC package, this device operates over a wide voltage range and is ideal for high-speed data transmission in industrial and telecom applications.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
4.5V to 5.5V |
| Input Voltage Range |
0V to 5.5V |
| Output Voltage Range |
0V to VCC |
| High-Level Output Current (IOH) |
-15 mA |
| Low-Level Output Current (IOL) |
24 mA |
| Propagation Delay (tpd) |
7 ns (max) |
| Operating Temperature |
0°C to 70°C |
| Package |
20-SOIC |
Key Features
- 8-bit bidirectional bus transceiver
- Inverting outputs
- 3-state outputs for bus isolation
- High-speed propagation delay: 7 ns max
- Low power consumption
- Compatible with TTL logic levels
- ESD protection exceeds 2000 V per MIL-STD-883
Target Applications
- 5G base station control boards
- Automotive dashboard display systems
- Industrial PLC (Programmable Logic Controller) modules
- Telecommunication switching equipment
- Data acquisition systems
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74ALS638ADW. 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
SN74ALS638ADW 是德州儀器(TI)生產的高性能8位總線收發器,專為雙向異步數據總線通信設計。它具有反相輸出和三態輸出,支持總線隔離和多路復用。該器件採用20引腳SOIC封裝,工作電壓範圍寬,適用於工業和電信應用的高速數據傳輸。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
4.5V 至 5.5V |
| 輸入電壓範圍 |
0V 至 5.5V |
| 輸出電壓範圍 |
0V 至 VCC |
| 高電平輸出電流 (IOH) |
-15 mA |
| 低電平輸出電流 (IOL) |
24 mA |
| 傳播延遲 (tpd) |
7 ns(最大值) |
| 工作溫度 |
0°C 至 70°C |
| 封裝 |
20-SOIC |
核心特性
- 8位雙向總線收發器
- 反相輸出
- 三態輸出,支持總線隔離
- 高速傳播延遲:最大7 ns
- 低功耗
- 兼容TTL邏輯電平
- ESD保護超過2000 V(符合MIL-STD-883)
典型應用場景
- 5G基站控制板
- 汽車儀表盤顯示系統
- 工業PLC(可編程邏輯控制器)模塊
- 電信交換設備
- 數據採集系統
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 SN74ALS638ADW 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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WhatsApp: +852 5209 9691 | Email: [email protected]