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Product Overview
The SN74ALVCH16721DGG is a 20-bit edge-triggered D-type flip-flop from Texas Instruments, designed for 2.5V to 3.3V VCC operation with 5V tolerant inputs. It features bus-hold circuitry that eliminates the need for external pull-up/pull-down resistors, reducing board space and component count. The device supports partial-power-down mode (Ioff) and is ideal for high-performance memory and bus interface applications.
Detailed Technical Specifications
| Parameter |
Value |
| Number of Bits |
20 |
| Supply Voltage (VCC) |
2.3V to 3.6V |
| Input Voltage (VI) |
0V to 5.5V |
| Output Voltage (VO) |
0V to VCC |
| Propagation Delay (tpd) |
3.8 ns max at 3.3V |
| Output Current (IOH/IOL) |
±24 mA |
| Operating Temperature |
-40°C to 85°C |
| Package |
TSSOP-56 (DGG) |
Key Features
- 20-bit D-type flip-flop with edge-triggered clock
- Bus-hold on data inputs eliminates external resistors
- 5V tolerant inputs for mixed-voltage systems
- Partial-power-down (Ioff) supports live insertion
- Latch-up performance exceeds 250 mA per JESD 17
- ESD protection exceeds JESD 22 (2000V HBM, 1000V CDM)
Target Applications
- 5G base station control logic
- Automotive dashboard display interface
- Industrial PLC I/O modules
- Network routers and switches
- Memory address and data buffering
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74ALVCH16721DGG. Our core advantages include:
-
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
SN74ALVCH16721DGG 是德州儀器推出的20位邊緣觸發D型正反器,支援2.5V至3.3V VCC操作,輸入可承受5V電壓。內建匯流排保持電路,無需外部上拉/下拉電阻,節省電路板空間與元件數量。支援部分斷電模式(Ioff),適用於高效能記憶體與匯流排介面應用。
詳細技術參數
| 參數 |
數值 |
| 位元數 |
20 |
| 電源電壓 (VCC) |
2.3V 至 3.6V |
| 輸入電壓 (VI) |
0V 至 5.5V |
| 輸出電壓 (VO) |
0V 至 VCC |
| 傳播延遲 (tpd) |
3.8 ns 最大值 (3.3V) |
| 輸出電流 (IOH/IOL) |
±24 mA |
| 工作溫度 |
-40°C 至 85°C |
| 封裝 |
TSSOP-56 (DGG) |
核心特性
- 20位D型正反器,邊緣觸發時鐘
- 資料輸入內建匯流排保持,無需外部電阻
- 5V容忍輸入,適用混合電壓系統
- 部分斷電模式 (Ioff) 支援熱插拔
- 閂鎖性能超過250 mA (JESD 17)
- ESD防護超過JESD 22 (2000V HBM, 1000V CDM)
典型應用場景
- 5G基地台控制邏輯
- 汽車儀表板顯示介面
- 工業PLC I/O模組
- 網路路由器與交換機
- 記憶體位址與資料緩衝
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 SN74ALVCH16721DGG 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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深港聯動,結算靈活:深圳直發全球,物流高效可靠;支援香港銀行戶口轉賬及多幣種結算。
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Escrow 擔保交易:支援 Escrow.com 平台交易,保障買賣雙方權益,小批量訂單亦可安心在線下單。
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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。
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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