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Product Overview
The SN74AHCT245RKSR is a high-performance octal bus transceiver from Texas Instruments, designed for asynchronous communication between data buses. It features 8-bit bidirectional data flow with non-inverting outputs, operating from a 4.5V to 5.5V supply. Housed in a compact 20-VQFN (2.5x4.5mm) package, it is ideal for space-constrained applications requiring robust signal integrity.
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 Input Voltage (VIH) |
2V (min) |
| Low-Level Input Voltage (VIL) |
0.8V (max) |
| High-Level Output Current (IOH) |
-8mA |
| Low-Level Output Current (IOL) |
8mA |
| Propagation Delay (tpd) |
8.5ns (max at 5V, 50pF) |
| Operating Temperature |
-40°C to 125°C |
| Package |
20-VQFN (2.5x4.5mm) |
Key Features
- 8-bit bidirectional bus transceiver with non-inverting outputs
- Wide supply voltage range: 4.5V to 5.5V
- High drive capability: ±8mA at 5V
- Fast propagation delay: 8.5ns max
- Inputs are TTL-voltage compatible
- Outputs are 5V tolerant
- Low power consumption: ICC of 40µA (max)
- ESD protection exceeds JESD 22 (2000V HBM, 1000V CDM)
- Available in space-saving 20-VQFN package
Target Applications
- 5G base station control boards (e.g., data bus isolation in remote radio units)
- Automotive dashboard display modules (e.g., CAN bus interface)
- Industrial PLC I/O modules (e.g., sensor data acquisition)
- Consumer electronics (e.g., smart home hubs)
- Networking equipment (e.g., router backplane communication)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74AHCT245RKSR. 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
SN74AHCT245RKSR 是德州儀器(TI)推出的高性能八路匯流排收發器,專為數據匯流排之間的異步通信設計。它支援8位元雙向數據傳輸,具有同相輸出,工作電壓範圍為4.5V至5.5V。採用緊湊的20-VQFN(2.5x4.5mm)封裝,非常適合需要強大信號完整性的空間受限應用。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
4.5V 至 5.5V |
| 輸入電壓範圍 |
0V 至 5.5V |
| 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) |
-8mA |
| 低電平輸出電流 (IOL) |
8mA |
| 傳播延遲 (tpd) |
8.5ns(最大值,5V,50pF) |
| 工作溫度 |
-40°C 至 125°C |
| 封裝 |
20-VQFN(2.5x4.5mm) |
核心特性
- 8位元雙向匯流排收發器,同相輸出
- 寬電源電壓範圍:4.5V 至 5.5V
- 高驅動能力:±8mA(5V時)
- 快速傳播延遲:最大8.5ns
- 輸入與TTL電壓兼容
- 輸出可承受5V電壓
- 低功耗:ICC最大40µA
- ESD保護超過JESD 22標準(2000V HBM,1000V CDM)
- 採用節省空間的20-VQFN封裝
典型應用場景
- 5G基站控制板(例如,遠端射頻單元中的數據匯流排隔離)
- 汽車儀表板顯示模組(例如,CAN匯流排介面)
- 工業PLC I/O模組(例如,感測器數據採集)
- 消費電子產品(例如,智慧家庭中樞)
- 網路設備(例如,路由器背板通信)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 SN74AHCT245RKSR 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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