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Product Overview
The SN74AHCT240DW is a high-performance octal buffer and line driver designed by Texas Instruments, featuring 3-state outputs and inverting logic. It operates with a supply voltage range of 4.5V to 5.5V, making it ideal for 5V systems. Housed in a 20-pin SOIC package, this device provides eight channels with inverted outputs, offering robust drive capability for bus-oriented applications. The 3-state outputs allow connection to a common bus without contention, and the device features a typical propagation delay of 7.5 ns and output drive of ±8 mA at 5V. It is characterized for operation from -40°C to +85°C.
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 VCC |
| High-Level Output Current (IOH) |
-8 mA |
| Low-Level Output Current (IOL) |
8 mA |
| Propagation Delay (tpd) |
7.5 ns typ at 5V, 50 pF |
| Input Capacitance (Ci) |
4 pF typ |
| Power Dissipation (PD) |
500 mW |
| Operating Temperature |
-40°C to +85°C |
| Package |
20-SOIC (DW) |
Key Features
- 8-channel inverting buffer/line driver with 3-state outputs
- Wide supply voltage range: 4.5V to 5.5V
- High drive capability: ±8 mA at 5V
- Fast propagation delay: 7.5 ns typical
- Low power consumption: ICC of 40 µA max
- Inputs are overvoltage tolerant up to 5.5V
- Outputs are in phase with inputs (inverting)
- ESD protection exceeds JESD 22 (2000-V HBM, 1000-V CDM)
- RoHS compliant and lead-free
Target Applications
The SN74AHCT240DW is suitable for a wide range of applications including:
- 5G base station control boards for signal buffering and bus isolation
- Automotive dashboard displays and infotainment systems
- Industrial automation PLCs and motor control interfaces
- Networking equipment such as routers and switches
- Medical devices like patient monitors and diagnostic equipment
- Consumer electronics including smart home hubs and gaming consoles
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74AHCT240DW. 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
SN74AHCT240DW 是一款由德州儀器(TI)生產的高性能八通道緩衝器和線路驅動器,具有三態輸出和反相邏輯。它支持 4.5V 至 5.5V 的電源電壓範圍,非常適合 5V 系統。該器件採用 20 引腳 SOIC 封裝,提供八個反相輸出通道,具有強大的驅動能力,適用於匯流排應用。三態輸出允許無衝突地連接到公共匯流排,典型傳播延遲為 7.5 ns,在 5V 時輸出驅動能力為 ±8 mA。工作溫度範圍為 -40°C 至 +85°C。
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 VCC |
| 高電平輸出電流 (IOH) |
-8 mA |
| 低電平輸出電流 (IOL) |
8 mA |
| 傳播延遲 (tpd) |
典型 7.5 ns (5V, 50 pF) |
| 輸入電容 (Ci) |
典型 4 pF |
| 功耗 (PD) |
500 mW |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
20-SOIC (DW) |
核心特性
- 八通道反相緩衝器/線路驅動器,帶三態輸出
- 寬電源電壓範圍:4.5V 至 5.5V
- 高驅動能力:5V 時 ±8 mA
- 快速傳播延遲:典型 7.5 ns
- 低功耗:ICC 最大 40 µA
- 輸入過壓容限高達 5.5V
- 輸出與輸入同相(反相)
- ESD 保護超過 JESD 22(2000-V HBM,1000-V CDM)
- 符合 RoHS 標準且無鉛
典型應用場景
SN74AHCT240DW 適用於多種應用,包括:
- 5G 基站控制板中的信號緩衝和匯流排隔離
- 汽車儀表板顯示和資訊娛樂系統
- 工業自動化 PLC 和電機控制介面
- 網路設備如路由器和交換機
- 醫療設備如病人監護儀和診斷設備
- 消費電子如智能家居中樞和遊戲主機
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 SN74AHCT240DW 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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現貨庫存,即日發貨:確保現貨充足。下午 4 點前確認訂單,即可安排當天寄出。
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BOM 配單與樣板服務:提供樣板測試及認證支援。專注一站式 BOM 配套及緊急缺料採購服務。
品質保證與合規
Jasin Chip 承諾所有出貨產品均為原廠正貨,具備完善的品質保證及產品可追溯性。
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100% 原廠正貨:承諾所有供應零件均為原裝現貨,品質嚴格把關,來源清晰可追溯。
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符合 RoHS 認證:所有電子元器件均符合國際環保標準及相關安全認證。
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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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HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
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