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Product Overview
The SN74LS669N is a synchronous 4-bit up/down counter from Texas Instruments, featuring parallel load and ripple carry output. It operates at a typical clock frequency of 35 MHz and is designed for use in high-performance digital systems. The device is housed in a 16-pin PDIP package, making it suitable for through-hole PCB assembly.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
4.75V to 5.25V |
| Operating Temperature |
0°C to 70°C |
| Clock Frequency (max) |
35 MHz |
| Propagation Delay (tpd) |
20 ns (typical) |
| Output Current (IOL) |
8 mA |
| Output Current (IOH) |
-400 µA |
| Package |
16-PDIP |
Key Features
- Synchronous 4-bit up/down counting
- Parallel load capability
- Ripple carry output for cascading
- Schmitt-triggered clock input
- Low power consumption (typical 45 mW)
- Compatible with TTL logic levels
Target Applications
- 5G base station control logic
- Automotive dashboard display counters
- Industrial programmable logic controllers (PLCs)
- Frequency dividers in communication systems
- Digital clocks and timers
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74LS669N. 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
SN74LS669N 是德州儀器推出的同步4位元可逆計數器,具備並行載入和漣波進位輸出功能。典型時鐘頻率為35 MHz,適用於高性能數位系統。器件採用16引腳PDIP封裝,適合通孔PCB組裝。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
4.75V 至 5.25V |
| 工作溫度 |
0°C 至 70°C |
| 最大時鐘頻率 |
35 MHz |
| 傳播延遲 (tpd) |
20 ns (典型值) |
| 輸出電流 (IOL) |
8 mA |
| 輸出電流 (IOH) |
-400 µA |
| 封裝 |
16-PDIP |
核心特性
- 同步4位元可逆計數
- 並行載入功能
- 漣波進位輸出,便於級聯
- 施密特觸發時鐘輸入
- 低功耗(典型45 mW)
- 兼容TTL邏輯電平
典型應用場景
- 5G基站控制邏輯
- 汽車儀表盤顯示計數器
- 工業可程式邏輯控制器 (PLC)
- 通訊系統中的分頻器
- 數位時鐘和計時器
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 SN74LS669N 提供全面的供應鏈與批發解決方案。
我們的核心優勢包括:
-
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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HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
Trusted Partner for Automotive, Industrial, and Hard-to-find Components.
WhatsApp: +852 5209 9691 | Email: [email protected]