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Product Overview
The SN74AHC240DW is a high-performance octal buffer and line driver designed by Texas Instruments, featuring non-inverting outputs and 3-state outputs for bus-oriented applications. Housed in a compact 20-SOIC package, this device operates over a wide supply voltage range of 2V to 5.5V, making it suitable for both 3.3V and 5V systems. It offers balanced propagation delays and high drive capability, ensuring reliable signal integrity in high-speed digital systems.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
2V to 5.5V |
| Input Voltage (VI) |
0V to 5.5V |
| Output Voltage (VO) |
0V to VCC |
| High-Level Output Current (IOH) |
-8 mA at VCC=4.5V |
| Low-Level Output Current (IOL) |
8 mA at VCC=4.5V |
| Propagation Delay (tpd) |
7.5 ns max at VCC=4.5V, CL=50pF |
| Input Capacitance (Ci) |
4 pF typical |
| Operating Temperature |
-40°C to +125°C |
| Package |
20-SOIC |
Key Features
- 8-bit non-inverting buffer/line driver with 3-state outputs
- Wide operating voltage range: 2V to 5.5V
- High drive capability: ±8 mA at 4.5V
- Low power consumption: ICC of 4 µA max
- Balanced propagation delays: tPLH and tPHL
- Inputs are overvoltage tolerant up to 5.5V
- ESD protection exceeds JESD 22 (2000V HBM, 1000V CDM)
- Latch-up performance exceeds 100 mA per JESD 78, Class II
Target Applications
- 5G base station control logic: buffering address/data lines between FPGA and RF transceivers
- Automotive dashboard display: driving LED indicators and segment displays
- Industrial PLC: signal buffering for sensor inputs and actuator outputs
- Telecommunications: line driving for backplane buses
- Consumer electronics: memory interface buffering in set-top boxes
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74AHC240DW. 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
SN74AHC240DW 是德州儀器(TI)生產的高性能八路緩衝器和線路驅動器,具有同相輸出和三態輸出,適用於總線應用。該器件採用緊湊的 20-SOIC 封裝,工作電源電壓範圍為 2V 至 5.5V,適用於 3.3V 和 5V 系統。它提供平衡的傳播延遲和高驅動能力,確保高速數字系統中的信號完整性。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
2V 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 (VCC=4.5V) |
| 低電平輸出電流 (IOL) |
8 mA (VCC=4.5V) |
| 傳播延遲 (tpd) |
7.5 ns 最大值 (VCC=4.5V, CL=50pF) |
| 輸入電容 (Ci) |
4 pF 典型值 |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
20-SOIC |
核心特性
- 8位同相緩衝器/線路驅動器,帶三態輸出
- 寬工作電壓範圍:2V 至 5.5V
- 高驅動能力:±8 mA (4.5V)
- 低功耗:ICC 最大 4 µA
- 平衡的傳播延遲:tPLH 和 tPHL
- 輸入過壓容限高達 5.5V
- ESD 保護超過 JESD 22 (2000V HBM, 1000V CDM)
- 閂鎖性能超過 100 mA (JESD 78, Class II)
典型應用場景
- 5G 基站控制邏輯:在 FPGA 和射頻收發器之間緩衝地址/數據線
- 汽車儀表板顯示:驅動 LED 指示燈和段碼顯示
- 工業 PLC:傳感器輸入和執行器輸出的信號緩衝
- 電信:背板總線的線路驅動
- 消費電子:機頂盒中的存儲器接口緩衝
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 SN74AHC240DW 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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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。
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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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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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