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Product Overview
The SN74F245DWE4 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. Housed in a 20-pin SOIC package, this device operates over a wide voltage range and offers fast propagation delays, making it suitable for high-speed applications.
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 Voltage Range |
0 V to VCC |
| Propagation Delay (tpd) |
4.5 ns (typical) at 5 V, 50 pF |
| Output Current (IOH/IOL) |
-15 mA / 64 mA |
| Operating Temperature |
0°C to 70°C |
| Package |
20-SOIC (7.5 mm width) |
| Logic Family |
F (Fast) |
| Number of Bits |
8 |
| Direction Control |
DIR pin |
| Output Enable |
Active-low OE pin |
Key Features
- Bidirectional bus transceiver with 8-bit non-inverting data flow
- 3-state outputs for bus isolation
- Fast propagation delay: 4.5 ns typical
- High output drive: up to 64 mA sink current
- Wide supply voltage range: 4.5 V to 5.5 V
- Inputs are TTL-compatible
- Package: 20-pin SOIC (small outline)
- Operating temperature: 0°C to 70°C
Target Applications
- 5G base station control boards for data bus isolation
- Automotive dashboard display systems for signal buffering
- Industrial PLC (Programmable Logic Controller) I/O modules
- Telecommunications switching equipment
- Data communication routers and switches
- Memory interface in embedded systems
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74F245DWE4. 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
SN74F245DWE4 是德州儀器 (TI) 生產的高性能八路匯流排收發器,專為雙向非同步數據匯流排通信設計。它包含 8 位非反相緩衝器,具有三態輸出,可有效控制數位系統中的數據流。該器件採用 20 引腳 SOIC 封裝,工作電壓範圍寬,傳播延遲快,適用於高速應用。
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 |
| 輸出電壓範圍 |
0 V 至 VCC |
| 傳播延遲 (tpd) |
典型值 4.5 ns (5 V, 50 pF) |
| 輸出電流 (IOH/IOL) |
-15 mA / 64 mA |
| 工作溫度 |
0°C 至 70°C |
| 封裝 |
20-SOIC (寬度 7.5 mm) |
| 邏輯系列 |
F (Fast) |
| 位數 |
8 |
| 方向控制 |
DIR 引腳 |
| 輸出使能 |
低電平有效 OE 引腳 |
核心特性
- 雙向匯流排收發器,8 位非反相數據傳輸
- 三態輸出,實現匯流排隔離
- 快速傳播延遲:典型值 4.5 ns
- 高輸出驅動能力:高達 64 mA 灌電流
- 寬電源電壓範圍:4.5 V 至 5.5 V
- 輸入與 TTL 相容
- 封裝:20 引腳 SOIC
- 工作溫度:0°C 至 70°C
典型應用場景
- 5G 基站控制板中的數據匯流排隔離
- 汽車儀表板顯示系統的信號緩衝
- 工業 PLC I/O 模組
- 電信交換設備
- 數據通信路由器和交換機
- 嵌入式系統中的記憶體介面
環球供應鏈與批發合作夥伴方案
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我們的核心優勢包括:
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