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Product Overview
The SN74HCT245DBR is a high-performance octal bus transceiver from Texas Instruments, designed for asynchronous communication between data buses. It features 8-bit bidirectional data transfer with non-inverting outputs, operating at a supply voltage of 5V. Housed in a compact 20-SSOP package, this device is ideal for applications requiring high-speed data transmission and low power consumption.
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) |
-6mA |
| Low-Level Output Current (IOL) |
6mA |
| Propagation Delay (tpd) |
23ns (max) at VCC=5V, CL=50pF |
| Operating Temperature |
-40°C to +85°C |
| Package |
20-SSOP (DBR) |
Key Features
- 8-bit bidirectional bus transceiver with non-inverting outputs
- High-speed operation: propagation delay typically 15ns at 5V
- Low power consumption: ICC max 80µA
- Inputs are TTL-voltage compatible
- Outputs drive up to 6mA at 5V
- 3-state outputs for bus-oriented applications
- ESD protection exceeds 2000V per MIL-STD-883, Method 3015
- Available in 20-SSOP package for space-constrained designs
Target Applications
- 5G base station control boards for data bus isolation
- Automotive dashboard display modules for signal buffering
- Industrial PLC (Programmable Logic Controller) I/O modules
- Telecommunications equipment for backplane data transfer
- Medical imaging systems for digital signal routing
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74HCT245DBR. 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
SN74HCT245DBR 是德州儀器(TI)生產的高性能八路總線收發器,專為數據總線之間的異步通信設計。它支持8位雙向數據傳輸,具有同相輸出,工作電源電壓為5V。採用緊湊的20-SSOP封裝,適用於需要高速數據傳輸和低功耗的應用。
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) |
-6mA |
| 低電平輸出電流 (IOL) |
6mA |
| 傳播延遲 (tpd) |
23ns (最大值) 在 VCC=5V, CL=50pF 條件下 |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
20-SSOP (DBR) |
核心特性
- 8位雙向總線收發器,同相輸出
- 高速操作:在5V時傳播延遲典型值為15ns
- 低功耗:ICC 最大值 80µA
- 輸入與TTL電壓兼容
- 輸出在5V時可驅動6mA
- 三態輸出,適用於總線應用
- ESD保護超過2000V(符合MIL-STD-883方法3015)
- 採用20-SSOP封裝,節省空間
典型應用場景
- 5G基站控制板,用於數據總線隔離
- 汽車儀表盤顯示模塊,用於信號緩衝
- 工業PLC(可編程邏輯控制器)I/O模塊
- 電信設備背板數據傳輸
- 醫療成像系統數字信號路由
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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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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