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Product Overview
The SN74ABT646PWR from Texas Instruments is a high-performance 8-bit bus transceiver with non-inverting 3-state outputs, designed for bidirectional asynchronous communication between two data buses. Housed in a compact 24-TSSOP package, this device operates over a wide supply voltage range of 4.5V to 5.5V and features advanced BiCMOS technology for low power consumption and high speed. It is ideal for driving heavily loaded backplanes and memory interfaces in computing, telecommunications, and industrial applications.
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 5.5V |
| Propagation Delay (tpd) |
4.1 ns typical at 5V, 50pF |
| Output Current (IOH/IOL) |
-32 mA / 64 mA |
| Operating Temperature |
-40°C to 85°C |
| Package |
24-TSSOP |
| Logic Family |
ABT |
| Number of Bits |
8 |
| Direction Control |
DIR pin |
| Output Enable |
Active-low OE pin |
Key Features
- BiCMOS technology for high speed and low power
- Non-inverting 3-state outputs
- Bidirectional bus interface with direction control (DIR)
- Output enable (OE) for bus isolation
- ESD protection exceeds 2000V HBM
- Latch-up performance exceeds 500 mA per JEDEC Standard JESD-17
- Supports live insertion and withdrawal
- Packaged in 24-TSSOP for space-saving designs
Target Applications
- 5G base station control boards for data bus isolation
- Automotive dashboard display interfaces
- Industrial PLC backplane communication
- Telecommunications switching equipment
- Memory bus drivers in servers and workstations
- FPGA configuration and data transfer
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74ABT646PWR. 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
SN74ABT646PWR 是德州儀器(TI)推出的一款高性能8位總線收發器,具有同相三態輸出,用於兩個數據總線之間的雙向異步通信。該器件採用緊湊的24-TSSOP封裝,在4.5V至5.5V的寬電源電壓範圍內工作,並採用先進的BiCMOS技術,實現低功耗和高速度。它非常適合驅動計算、電信和工業應用中的重載背板和存儲器接口。
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 5.5V |
| 傳播延遲 (tpd) |
典型值 4.1 ns (5V, 50pF) |
| 輸出電流 (IOH/IOL) |
-32 mA / 64 mA |
| 工作溫度 |
-40°C 至 85°C |
| 封裝 |
24-TSSOP |
| 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
- BiCMOS 技術實現高速和低功耗
- 同相三態輸出
- 帶方向控制 (DIR) 的雙向總線接口
- 輸出使能 (OE) 實現總線隔離
- ESD 保護超過 2000V HBM
- 閂鎖性能超過 500 mA (符合 JEDEC JESD-17 標準)
- 支持帶電插拔
- 採用 24-TSSOP 封裝,節省空間
典型應用場景
- 5G 基站控制板的數據總線隔離
- 汽車儀表盤顯示接口
- 工業 PLC 背板通信
- 電信交換設備
- 服務器和工作站中的存儲器總線驅動
- FPGA 配置和數據傳輸
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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