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Product Overview
The SN74ABTR2245DBR is a high-performance 8-bit bus transceiver from Texas Instruments, designed for bidirectional asynchronous communication between two data buses. It operates at a nominal supply voltage of 3.3V and features non-inverting outputs with 3-state capability. Housed in a compact 20-SSOP package, this device is ideal for space-constrained applications requiring high-speed data transfer and low power consumption. The SN74ABTR2245DBR is part of the ABT family, offering advanced BiCMOS technology for improved speed and drive capability.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
3.0V to 3.6V |
| Input Voltage Range |
0V to VCC |
| Output Voltage Range |
0V to VCC |
| High-Level Output Current (IOH) |
-32 mA |
| Low-Level Output Current (IOL) |
64 mA |
| Propagation Delay (tpd) |
4.1 ns typical at 3.3V |
| Operating Temperature Range |
-40°C to +85°C |
| Package Type |
20-SSOP (DBR) |
| Logic Family |
ABT |
| 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 paths
- 3-state outputs for bus-oriented applications
- Low power consumption with typical ICC of 30 µA
- High drive capability: -32 mA / 64 mA
- ESD protection exceeds 2000V per MIL-STD-883, Method 3015
- Latch-up performance exceeds 500 mA per JESD 17
- Supports mixed-mode voltage operation (3.3V input/output with 5V tolerant inputs)
- Available in lead-free and RoHS-compliant package
Target Applications
- 5G base station control boards for data bus isolation
- Automotive dashboard display systems for signal buffering
- Industrial automation PLC modules for I/O expansion
- Networking equipment (routers, switches) for backplane communication
- Medical imaging devices for data acquisition interfaces
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74ABTR2245DBR. 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
SN74ABTR2245DBR 是德州儀器 (TI) 的一款高性能 8 位匯流排收發器,專為兩個數據匯流排之間的雙向異步通信而設計。它在 3.3V 標稱電源電壓下工作,具有同相輸出和三態功能。該器件採用緊湊的 20-SSOP 封裝,非常適合需要高速數據傳輸和低功耗的空間受限應用。SN74ABTR2245DBR 屬於 ABT 系列,採用先進的 BiCMOS 技術,提供更高的速度和驅動能力。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
3.0V 至 3.6V |
| 輸入電壓範圍 |
0V 至 VCC |
| 輸出電壓範圍 |
0V 至 VCC |
| 高電平輸出電流 (IOH) |
-32 mA |
| 低電平輸出電流 (IOL) |
64 mA |
| 傳播延遲 (tpd) |
典型值 4.1 ns (3.3V) |
| 工作溫度範圍 |
-40°C 至 +85°C |
| 封裝類型 |
20-SSOP (DBR) |
| 邏輯系列 |
ABT |
| 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 位同相數據路徑
- 三態輸出,適用於匯流排應用
- 低功耗,典型 ICC 為 30 µA
- 高驅動能力:-32 mA / 64 mA
- ESD 保護超過 2000V (MIL-STD-883, Method 3015)
- 閂鎖性能超過 500 mA (JESD 17)
- 支持混合電壓操作 (3.3V 輸入/輸出,5V 容限輸入)
- 無鉛且符合 RoHS 標準的封裝
典型應用場景
- 5G 基站控制板,用於數據匯流排隔離
- 汽車儀表板顯示系統,用於信號緩衝
- 工業自動化 PLC 模組,用於 I/O 擴展
- 網絡設備 (路由器、交換機),用於背板通信
- 醫療成像設備,用於數據採集接口
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 SN74ABTR2245DBR 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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