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Product Overview
The SN74F2245DBR is a high-performance octal bus transceiver from Texas Instruments, designed for bidirectional asynchronous communication between data buses. It features 8-bit non-inverting buffers with 3-state outputs, enabling efficient data flow control in digital systems. Operating from a 4.5V to 5.5V supply, this device is ideal for 5V logic environments. The SN74F2245DBR is housed in a SSOP-20 package, offering a compact footprint for space-constrained applications.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
4.5V to 5.5V |
| Input Voltage (VI) |
0V to 5.5V |
| Output Voltage (VO) |
0V to 5.5V |
| High-Level Input Voltage (VIH) |
2V (min) |
| Low-Level Input Voltage (VIL) |
0.8V (max) |
| High-Level Output Current (IOH) |
-15mA |
| Low-Level Output Current (IOL) |
64mA |
| Propagation Delay (tpd) |
4.5ns (typ) at 5V |
| Operating Temperature |
0°C to 70°C |
| Package |
SSOP-20 |
Key Features
- 8-bit bidirectional bus transceiver with non-inverting outputs
- 3-state outputs for bus isolation
- High drive capability: -15mA / 64mA
- Fast propagation delay: 4.5ns typical
- Low power consumption
- Compatible with TTL and CMOS logic levels
- ESD protection exceeds 2000V per MIL-STD-883
Target Applications
- 5G base station control boards for data bus isolation
- Automotive dashboard display modules for signal buffering
- Industrial PLC I/O modules for bidirectional data transfer
- Telecommunications switches and routers for backplane communication
- Medical imaging equipment for digital data routing
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74F2245DBR. 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
SN74F2245DBR 是德州儀器(TI)生產的高性能八路總線收發器,專為雙向異步數據總線通信設計。它包含8位非反相緩衝器,具有三態輸出,可有效控制數字系統中的數據流。工作電壓範圍為4.5V至5.5V,適用於5V邏輯環境。該器件採用SSOP-20封裝,佔用空間小,適合空間受限的應用。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
4.5V 至 5.5V |
| 輸入電壓 (VI) |
0V 至 5.5V |
| 輸出電壓 (VO) |
0V 至 5.5V |
| 高電平輸入電壓 (VIH) |
2V (最小值) |
| 低電平輸入電壓 (VIL) |
0.8V (最大值) |
| 高電平輸出電流 (IOH) |
-15mA |
| 低電平輸出電流 (IOL) |
64mA |
| 傳播延遲 (tpd) |
4.5ns (典型值,5V時) |
| 工作溫度 |
0°C 至 70°C |
| 封裝 |
SSOP-20 |
核心特性
- 8位雙向總線收發器,非反相輸出
- 三態輸出,實現總線隔離
- 高驅動能力:-15mA / 64mA
- 快速傳播延遲:典型值4.5ns
- 低功耗
- 兼容TTL和CMOS邏輯電平
- ESD保護超過2000V(MIL-STD-883標準)
典型應用場景
- 5G基站控制板中的數據總線隔離
- 汽車儀表盤顯示模塊的信號緩衝
- 工業PLC I/O模塊的雙向數據傳輸
- 電信交換機和路由器的背板通信
- 醫療成像設備的數字數據路由
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 SN74F2245DBR 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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