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Product Overview
The SN74ALS843DW is a 9-bit bus transceiver from Texas Instruments, designed for bidirectional asynchronous communication between data buses. It features non-inverting outputs with 3-state capability, allowing multiple outputs to be connected to a common bus. The device operates from a single 5V supply and is characterized for operation from 0°C to 70°C. Housed in a 24-pin SOIC package, it is ideal for high-density board designs.
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) |
10 ns (max) at VCC = 5V, CL = 50 pF |
| Operating Temperature |
0°C to 70°C |
| Package |
24-SOIC (DW) |
Key Features
- 9-bit bidirectional bus transceiver
- Non-inverting 3-state outputs
- High-impedance state when output enable (OE) is low
- Inputs accept voltages up to 5.5V
- ESD protection exceeds 2000V per MIL-STD-883, Method 3015
- Latch-up performance exceeds 250 mA per JESD 17
Target Applications
- 5G base station control logic interfacing
- Automotive dashboard display data bus
- Industrial PLC backplane communication
- Telecommunications line card data routing
- Medical imaging system data acquisition
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74ALS843DW. 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
SN74ALS843DW 是一款來自德州儀器的 9 位總線收發器,專為雙向異步數據總線通信而設計。它具有同相輸出和三態功能,允許多個輸出連接到公共總線。該器件在單一 5V 電源下工作,工作溫度範圍為 0°C 至 70°C。採用 24 引腳 SOIC 封裝,適合高密度電路板設計。
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) |
10 ns (最大值) 在 VCC = 5V, CL = 50 pF 條件下 |
| 工作溫度 |
0°C 至 70°C |
| 封裝 |
24-SOIC (DW) |
核心特性
- 9 位雙向總線收發器
- 同相三態輸出
- 輸出使能 (OE) 為低電平時輸出為高阻抗
- 輸入可承受高達 5.5V 的電壓
- ESD 保護超過 2000V(符合 MIL-STD-883 方法 3015)
- 閂鎖性能超過 250 mA(符合 JESD 17)
典型應用場景
- 5G 基站控制邏輯接口
- 汽車儀表板顯示數據總線
- 工業 PLC 背板通信
- 電信線路卡數據路由
- 醫療影像系統數據採集
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 SN74ALS843DW 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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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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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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