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Product Overview
The SN74AS21D from Texas Instruments is a dual 4-input positive-AND gate integrated circuit. It belongs to the advanced Schottky (AS) logic family, offering high speed and low power consumption. The device is housed in a 14-pin SOIC package, suitable for surface-mount applications. It operates over a supply voltage range of 4.75V to 5.25V and features typical propagation delays of 5ns, making it ideal for high-performance digital systems.
Detailed Technical Specifications
| Parameter |
Value |
| Logic Family |
AS (Advanced Schottky) |
| Number of Gates |
2 |
| Number of Inputs per Gate |
4 |
| Supply Voltage (Vcc) |
4.75V to 5.25V |
| Propagation Delay (tpd) |
5 ns (typical) |
| Input Voltage (VIH) |
2.0V min |
| Input Voltage (VIL) |
0.8V max |
| Output Current (IOH/IOL) |
-2 mA / 20 mA |
| Operating Temperature |
0°C to 70°C |
| Package |
14-SOIC |
Key Features
- Dual 4-input AND gate configuration
- Advanced Schottky technology for high speed
- Low power consumption
- Wide operating voltage range
- Compatible with TTL logic levels
- Surface-mount SOIC package for compact designs
Target Applications
- 5G base station control logic
- Automotive dashboard display controllers
- Industrial automation PLCs
- Data communication routers
- Medical imaging equipment
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74AS21D. 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
SN74AS21D 是德州儀器(TI)生產的雙路4輸入正與門集成電路。它屬於先進肖特基(AS)邏輯系列,具有高速和低功耗的特點。該器件採用14引腳SOIC封裝,適用於表面貼裝應用。其電源電壓範圍為4.75V至5.25V,典型傳播延遲為5ns,非常適合高性能數字系統。
詳細技術參數
| 參數 |
數值 |
| 邏輯系列 |
AS(先進肖特基) |
| 門電路數量 |
2 |
| 每個門的輸入數 |
4 |
| 電源電壓(Vcc) |
4.75V 至 5.25V |
| 傳播延遲(tpd) |
5 ns(典型值) |
| 輸入高電平(VIH) |
最小值 2.0V |
| 輸入低電平(VIL) |
最大值 0.8V |
| 輸出電流(IOH/IOL) |
-2 mA / 20 mA |
| 工作溫度 |
0°C 至 70°C |
| 封裝 |
14-SOIC |
核心特性
- 雙路4輸入與門配置
- 先進肖特基技術,高速性能
- 低功耗
- 寬工作電壓範圍
- 兼容TTL邏輯電平
- 表面貼裝SOIC封裝,節省空間
典型應用場景
- 5G基站控制邏輯
- 汽車儀表盤顯示控制器
- 工業自動化PLC
- 數據通信路由器
- 醫療影像設備
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 SN74AS21D 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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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。
以上產品均為原廠正貨,提供 BOM 配單及現貨庫存支援,歡迎查詢。
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