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Product Overview
The SN74LS166AN is a high-performance 8-bit parallel-to-serial shift register from Texas Instruments, designed for use in a wide range of digital systems. It features a 16-pin PDIP package, making it suitable for through-hole PCB assembly. The device can accept parallel data inputs and shift them out serially, controlled by a clock and shift/load control signal. It operates from a 5V supply and is compatible with TTL logic levels.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
4.75V to 5.25V |
| Input High Voltage (VIH) |
2V min |
| Input Low Voltage (VIL) |
0.8V max |
| Output High Voltage (VOH) |
2.7V min (IOH = -0.4mA) |
| Output Low Voltage (VOL) |
0.5V max (IOL = 8mA) |
| Clock Frequency |
DC to 25 MHz |
| Propagation Delay (tpd) |
20 ns typ |
| Operating Temperature |
0°C to 70°C |
| Package |
16-PDIP |
Key Features
- 8-bit parallel-to-serial shift register
- Asynchronous master reset
- Shift/load control for parallel or serial operation
- Complementary serial outputs (Q and Q̅)
- Wide operating voltage range: 4.75V to 5.25V
- High-speed operation: 25 MHz typical clock frequency
- Low power consumption: 80 mW typical
- TTL-compatible inputs and outputs
- Standard 16-pin PDIP package for easy prototyping
Target Applications
- 5G base station control logic for data serialization
- Automotive dashboard display data transfer
- Industrial automation PLC I/O expansion
- Consumer electronics remote control encoding
- Medical device data acquisition systems
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74LS166AN. 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
SN74LS166AN 是一款來自德州儀器的高性能 8 位並行轉串行移位寄存器,採用 16 引腳 PDIP 封裝,適用於通孔 PCB 組裝。該器件可接受並行數據輸入並在時鐘和移位/加載控制信號的控制下串行輸出。它工作在 5V 電源下,與 TTL 邏輯電平兼容。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
4.75V 至 5.25V |
| 輸入高電平 (VIH) |
最小值 2V |
| 輸入低電平 (VIL) |
最大值 0.8V |
| 輸出高電平 (VOH) |
最小值 2.7V (IOH = -0.4mA) |
| 輸出低電平 (VOL) |
最大值 0.5V (IOL = 8mA) |
| 時鐘頻率 |
DC 至 25 MHz |
| 傳播延遲 (tpd) |
典型值 20 ns |
| 工作溫度 |
0°C 至 70°C |
| 封裝 |
16-PDIP |
核心特性
- 8 位並行轉串行移位寄存器
- 異步主復位
- 移位/加載控制,支持並行或串行操作
- 互補串行輸出 (Q 和 Q̅)
- 寬工作電壓範圍:4.75V 至 5.25V
- 高速操作:典型時鐘頻率 25 MHz
- 低功耗:典型值 80 mW
- TTL 兼容輸入和輸出
- 標準 16 引腳 PDIP 封裝,便於原型設計
典型應用場景
- 5G 基站控制邏輯中的數據串行化
- 汽車儀表盤顯示數據傳輸
- 工業自動化 PLC I/O 擴展
- 消費電子遙控編碼
- 醫療設備數據採集系統
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 SN74LS166AN 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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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。
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