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Product Overview
The SN74AHCT245DBR 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-SSOP package, this device is ideal for applications requiring high-speed data transfer and low power consumption.
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) |
-8mA |
| Low-Level Output Current (IOL) |
8mA |
| Propagation Delay (tpd) |
8.5ns (max) at 5V, 50pF |
| Operating Temperature |
-40°C to +85°C |
| Package |
20-SSOP |
Key Features
- 8-bit bidirectional bus transceiver with non-inverting outputs
- Asynchronous communication between two data buses
- Output enable (OE) and direction control (DIR) inputs
- ESD protection exceeds 2000V per MIL-STD-883, Method 3015
- Latch-up performance exceeds 250mA per JESD 17
- Low power consumption: ICC 4µA (max)
- Compatible with TTL levels
Target Applications
- 5G base station control boards for data bus isolation
- Automotive dashboard display modules for signal buffering
- Industrial PLC I/O modules for level translation
- Consumer electronics like smart TVs for peripheral interface
- Telecommunications equipment for backplane data transfer
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74AHCT245DBR. 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
SN74AHCT245DBR 是德州儀器(TI)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而設計。它具有8位雙向數據流,非反相輸出,工作電壓範圍為4.5V至5.5V。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 (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) |
-8mA |
| 低電平輸出電流 (IOL) |
8mA |
| 傳播延遲 (tpd) |
8.5ns (最大值) 在 5V, 50pF |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
20-SSOP |
核心特性
- 8位雙向匯流排收發器,非反相輸出
- 兩個數據匯流排之間的異步通信
- 輸出使能 (OE) 和方向控制 (DIR) 輸入
- ESD 保護超過 2000V,符合 MIL-STD-883 方法 3015
- 閂鎖性能超過 250mA,符合 JESD 17
- 低功耗:ICC 4µA (最大值)
- 與 TTL 電平兼容
典型應用場景
- 5G基站控制板,用於數據匯流排隔離
- 汽車儀表盤顯示模塊,用於信號緩衝
- 工業PLC I/O模塊,用於電平轉換
- 消費電子如智能電視,用於外設接口
- 電信設備,用於背板數據傳輸
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 SN74AHCT245DBR 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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原廠封裝保護:嚴格保留原廠原始包裝及封條,確保物流過程中的靜電防護 (ESD) 與物理安全。
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