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Product Overview
The M74HC251TTR is a high-speed CMOS 8-channel multiplexer/demultiplexer manufactured by STMicroelectronics. It features three-state outputs and is designed for digital data selection and routing in a wide range of applications. The device operates from 2V to 6V, making it suitable for battery-powered and low-voltage systems. Housed in a compact 16-TSSOP package, it offers a space-saving solution for modern electronic designs.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
2V to 6V |
| Input Voltage (VI) |
0V to VCC |
| Output Voltage (VO) |
0V to VCC |
| High-Level Input Voltage (VIH) |
3.15V min (at VCC=4.5V) |
| Low-Level Input Voltage (VIL) |
1.35V max (at VCC=4.5V) |
| High-Level Output Current (IOH) |
-4 mA (at VCC=4.5V) |
| Low-Level Output Current (IOL) |
4 mA (at VCC=4.5V) |
| Propagation Delay (tpd) |
14 ns typ (at VCC=4.5V, CL=50pF) |
| Operating Temperature |
-55°C to +125°C |
| Package |
16-TSSOP |
Key Features
- 8-channel multiplexer/demultiplexer with three-state outputs
- Wide operating voltage range: 2V to 6V
- High noise immunity: VNIH = VNIL = 28% VCC (min)
- Low power dissipation: ICC = 4 µA (max) at TA=25°C
- Balanced propagation delays: tPLH = tPHL
- Symmetrical output impedance: |IOH| = IOL = 4 mA (min)
- Pin and function compatible with 74HC251
Target Applications
The M74HC251TTR is ideal for digital data routing in various systems. Specific applications include:
- 5G base station control logic for signal routing
- Automotive dashboard display selection
- Industrial PLC input/output multiplexing
- Portable medical device data acquisition
- Consumer electronics mode switching (e.g., set-top boxes)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
M74HC251TTR. 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
M74HC251TTR 是意法半導體生產的高速 CMOS 8 通道多工器/解多工器,具有三態輸出,適用於多種數字數據選擇和路由應用。工作電壓範圍為 2V 至 6V,適合電池供電和低壓系統。採用緊湊的 16-TSSOP 封裝,為現代電子設計提供節省空間的解決方案。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
2V 至 6V |
| 輸入電壓 (VI) |
0V 至 VCC |
| 輸出電壓 (VO) |
0V 至 VCC |
| 高電平輸入電壓 (VIH) |
最小值 3.15V (VCC=4.5V 時) |
| 低電平輸入電壓 (VIL) |
最大值 1.35V (VCC=4.5V 時) |
| 高電平輸出電流 (IOH) |
-4 mA (VCC=4.5V 時) |
| 低電平輸出電流 (IOL) |
4 mA (VCC=4.5V 時) |
| 傳播延遲 (tpd) |
典型值 14 ns (VCC=4.5V, CL=50pF) |
| 工作溫度 |
-55°C 至 +125°C |
| 封裝 |
16-TSSOP |
核心特性
- 8 通道多工器/解多工器,帶三態輸出
- 寬工作電壓範圍:2V 至 6V
- 高抗噪能力:VNIH = VNIL = 28% VCC(最小值)
- 低功耗:ICC = 4 µA(最大值,TA=25°C)
- 平衡傳播延遲:tPLH = tPHL
- 對稱輸出阻抗:|IOH| = IOL = 4 mA(最小值)
- 引腳和功能與 74HC251 兼容
典型應用場景
M74HC251TTR 適用於各種數字數據路由系統。具體應用包括:
- 5G 基站控制邏輯中的信號路由
- 汽車儀表板顯示選擇
- 工業 PLC 輸入/輸出多工處理
- 便攜式醫療設備數據採集
- 消費電子模式切換(例如機頂盒)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 M74HC251TTR 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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