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Product Overview
The SN74HCT245APWR is a high-performance octal bus transceiver from Texas Instruments, designed for asynchronous bidirectional communication between data buses. It features 8-bit non-inverting buffers with 3-state outputs, enabling bidirectional data flow controlled by direction (DIR) and output enable (OE) inputs. Housed in a compact 20-pin TSSOP package, this device operates over a wide supply voltage range of 4.5V to 5.5V, making it ideal for 5V logic systems. With typical propagation delays of 10 ns and low power consumption, it is suitable for high-speed data transfer in industrial and consumer applications.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
4.5V to 5.5V |
| Input Voltage Range |
0V to VCC |
| Output Voltage Range |
0V to VCC |
| High-Level Input Voltage (VIH) |
2V (min) |
| Low-Level Input Voltage (VIL) |
0.8V (max) |
| High-Level Output Current (IOH) |
-6 mA |
| Low-Level Output Current (IOL) |
6 mA |
| Propagation Delay (tpd) |
10 ns (typ) at 5V, 50 pF |
| Operating Temperature |
-40°C to +85°C |
| Package |
20-TSSOP |
Key Features
- 8-bit bidirectional bus transceiver with non-inverting outputs
- 3-state outputs for bus isolation
- Wide operating voltage: 4.5V to 5.5V
- High-speed: typical tpd of 10 ns
- Low power consumption: ICC of 8 µA (max)
- Inputs are TTL-voltage compatible
- ESD protection exceeds 2000V per MIL-STD-883
- RoHS compliant and lead-free
Target Applications
- 5G base station control boards for data bus isolation
- Automotive dashboard display modules for signal buffering
- Industrial PLC systems for bidirectional data transfer
- Consumer electronics like smart home hubs for I/O expansion
- Medical equipment such as patient monitors for reliable data transmission
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74HCT245APWR. 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
SN74HCT245APWR 是德州儀器的高性能八路匯流排收發器,專為數據匯流排之間的異步雙向通信而設計。它包含8位非反相緩衝器,具有三態輸出,通過方向(DIR)和輸出使能(OE)引腳控制雙向數據流。該器件採用緊湊的20引腳TSSOP封裝,在4.5V至5.5V的寬電源電壓範圍內工作,非常適合5V邏輯系統。典型傳播延遲為10 ns,功耗低,適用於工業和消費類應用中的高速數據傳輸。
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 VCC |
| 輸出電壓範圍 |
0V 至 VCC |
| 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) |
-6 mA |
| 低電平輸出電流 (IOL) |
6 mA |
| 傳播延遲 (tpd) |
10 ns (典型值) 在 5V, 50 pF |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
20-TSSOP |
核心特性
- 8位雙向匯流排收發器,非反相輸出
- 三態輸出,用於匯流排隔離
- 寬工作電壓:4.5V 至 5.5V
- 高速:典型 tpd 為 10 ns
- 低功耗:ICC 最大 8 µA
- 輸入與TTL電壓兼容
- ESD保護超過2000V(MIL-STD-883)
- 符合RoHS標準,無鉛
典型應用場景
- 5G基站控制板中的數據匯流排隔離
- 汽車儀表盤顯示模塊的信號緩衝
- 工業PLC系統的雙向數據傳輸
- 消費電子產品如智能家居中樞的I/O擴展
- 醫療設備如病人監護儀的可靠數據傳輸
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 SN74HCT245APWR 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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