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Product Overview
The SN74HC240APWR from Texas Instruments is a high-performance octal buffer and line driver designed for 2-V to 6-V VCC operation. This device features eight inverting buffers with 3-state outputs, making it ideal for driving bus lines or buffer memory address registers. The inputs are tolerant of up to 6 V, regardless of supply voltage, and the outputs can sink up to 6 mA at 5 V. The SN74HC240APWR is housed in a 20-pin TSSOP package, offering a compact solution for space-constrained applications.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
2 V to 6 V |
| Output Current (IOH/IOL) |
±6 mA at 5 V |
| Input Voltage Range |
0 V to 6 V |
| Propagation Delay (tpd) |
12 ns (typ) at 5 V, 50 pF |
| Operating Temperature |
-40°C to +85°C |
| Package |
20-TSSOP |
| Logic Family |
HC |
| Number of Channels |
8 |
| Output Type |
3-State |
| Input/Output Compatibility |
CMOS |
Key Features
- Wide operating voltage range: 2 V to 6 V
- High noise immunity: VNIH = VNIL = 28% of VCC (min)
- Low power consumption: ICC of 80 µA (max)
- 3-state outputs for bus-oriented applications
- Inverting outputs for signal inversion
- Inputs are overvoltage tolerant up to 6 V
- ESD protection exceeds 2000 V per MIL-STD-883, Method 3015
Target Applications
The SN74HC240APWR is suitable for a wide range of applications, including:
- 5G base station control logic: buffering and driving address/data buses
- Automotive dashboard displays: signal conditioning for indicator LEDs
- Industrial PLCs: interfacing between microcontrollers and high-current loads
- Consumer electronics: level shifting and bus driving in smart home devices
- Medical equipment: reliable signal buffering in patient monitoring systems
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74HC240APWR. 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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Shenzhen with support for HK bank transfers and multi-currency.
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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
SN74HC240APWR 是德州儀器(TI)推出的一款高性能八路緩衝器和線路驅動器,工作電壓範圍為 2 V 至 6 V。該器件具有八個反相緩衝器,帶三態輸出,非常適合驅動總線或緩衝存儲器地址寄存器。輸入可承受高達 6 V 的電壓,與電源電壓無關,輸出在 5 V 時可吸收/提供 6 mA 電流。SN74HC240APWR 採用 20 引腳 TSSOP 封裝,為空間受限的應用提供了緊湊的解決方案。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
2 V 至 6 V |
| 輸出電流 (IOH/IOL) |
±6 mA (5 V 時) |
| 輸入電壓範圍 |
0 V 至 6 V |
| 傳播延遲 (tpd) |
12 ns (典型值,5 V,50 pF) |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
20-TSSOP |
| 邏輯系列 |
HC |
| 通道數 |
8 |
| 輸出類型 |
三態 |
| 輸入/輸出兼容性 |
CMOS |
核心特性
- 寬工作電壓範圍:2 V 至 6 V
- 高抗噪能力:VNIH = VNIL = 28% VCC(最小值)
- 低功耗:ICC 最大 80 µA
- 三態輸出,適用於總線應用
- 反相輸出,實現信號反轉
- 輸入過壓耐受能力達 6 V
- ESD 保護超過 2000 V(MIL-STD-883,方法 3015)
典型應用場景
SN74HC240APWR 適用於多種應用,包括:
- 5G 基站控制邏輯:緩衝和驅動地址/數據總線
- 汽車儀表盤顯示:指示燈信號調理
- 工業 PLC:微控制器與大電流負載之間的接口
- 消費電子:智能家居設備中的電平轉換和總線驅動
- 醫療設備:病人監護系統中的可靠信號緩衝
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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