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SN74LV165ANSR TI Shift Register | 16-SO | 8-bit, Parallel-to-Serial
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Product Overview
The SN74LV165ANSR from Texas Instruments is a high-performance 8-bit parallel-load shift register designed for low-voltage (2V to 5.5V) operation. It features parallel inputs and a serial output, making it ideal for expanding digital inputs in microcontroller-based systems. The device is housed in a 16-pin SOP package (NSR suffix) and offers a wide operating temperature range of -40°C to +125°C.
Detailed Technical Specifications
| Parameter | Value |
|---|---|
| Supply Voltage (VCC) | 2V to 5.5V |
| Input Voltage (VI) | 0V to VCC |
| Output Voltage (VO) | 0V to VCC |
| High-Level Input Voltage (VIH) | 0.7 × VCC (min) |
| Low-Level Input Voltage (VIL) | 0.3 × VCC (max) |
| High-Level Output Current (IOH) | -8 mA (max) |
| Low-Level Output Current (IOL) | 8 mA (max) |
| Propagation Delay (tpd) | 10.5 ns (typ) at 5V |
| Input Capacitance (Ci) | 3 pF (typ) |
| Operating Temperature | -40°C to +125°C |
| Package | 16-SO (SOP) |
Key Features
- 8-bit parallel-to-serial shift register with asynchronous clear
- Wide operating voltage range: 2V to 5.5V
- High noise immunity: VNIH = 0.7 × VCC, VNIL = 0.3 × VCC
- Low power consumption: ICC = 20 µA (max) at 25°C
- Typical tpd of 10.5 ns at 5V
- Inputs accept voltages up to 5.5V regardless of VCC
- Outputs can drive up to 8 mA at VCC = 5V
- Available in 16-pin SOP package (NSR)
Target Applications
- 5G base station control logic: expanding input ports for status monitoring
- Automotive dashboard: reading multiple switch inputs (e.g., steering wheel controls)
- Industrial PLCs: parallel-to-serial conversion for sensor arrays
- Consumer electronics: remote control receivers, keypad scanners
- Medical devices: patient monitoring systems with multiple digital inputs
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for SN74LV165ANSR. Our core advantages include:
- 24/7 Global Customer Support: Professional team providing instant quotes and technical support worldwide.
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- Escrow Secured Transactions: We support Escrow.com for secure transactions, ensuring peace of mind for batch orders.
- 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.
- 100% Original & Authentic: All components are guaranteed to be authentic with strict quality control.
- RoHS Compliant: All electronic components comply with international environmental and safety standards.
- Original Factory Packaging: We maintain original factory packaging and seals to ensure ESD protection and physical integrity.
產品概述
SN74LV165ANSR 是德州儀器（TI）生產的高性能8位並行加載移位寄存器，專為低電壓（2V至5.5V）操作設計。它具有並行輸入和串行輸出，非常適合在微控制器系統中擴展數字輸入。該器件採用16引腳SOP封裝（NSR後綴），工作溫度範圍為-40°C至+125°C。
詳細技術參數
| 參數 | 數值 |
|---|---|
| 電源電壓 (VCC) | 2V 至 5.5V |
| 輸入電壓 (VI) | 0V 至 VCC |
| 輸出電壓 (VO) | 0V 至 VCC |
| 高電平輸入電壓 (VIH) | 0.7 × VCC（最小值） |
| 低電平輸入電壓 (VIL) | 0.3 × VCC（最大值） |
| 高電平輸出電流 (IOH) | -8 mA（最大值） |
| 低電平輸出電流 (IOL) | 8 mA（最大值） |
| 傳播延遲 (tpd) | 10.5 ns（典型值，5V時） |
| 輸入電容 (Ci) | 3 pF（典型值） |
| 工作溫度 | -40°C 至 +125°C |
| 封裝 | 16-SO (SOP) |
核心特性
- 8位並行轉串行移位寄存器，帶異步清零
- 寬工作電壓範圍：2V 至 5.5V
- 高抗噪能力：VNIH = 0.7 × VCC，VNIL = 0.3 × VCC
- 低功耗：ICC = 20 µA（最大值，25°C時）
- 典型傳播延遲10.5 ns（5V時）
- 輸入可接受高達5.5V的電壓，與VCC無關
- 輸出可驅動8 mA（VCC = 5V時）
- 提供16引腳SOP封裝（NSR）
典型應用場景
- 5G基站控制邏輯：擴展狀態監控的輸入端口
- 汽車儀表板：讀取多個開關輸入（如方向盤控制）
- 工業PLC：傳感器陣列的並行轉串行轉換
- 消費電子：遙控接收器、鍵盤掃描器
- 醫療設備：多數字輸入的病人監護系統
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