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Product Overview
The SN74LS377NSR is a high-performance octal D-type flip-flop with a buffered common clock and a buffered common output enable. Manufactured by Texas Instruments (TI), this device is designed for general-purpose storage applications in digital systems. It features eight edge-triggered flip-flops with individual D inputs and Q outputs. The common clock (CLK) loads all flip-flops simultaneously when the output enable (OE) is low. When OE is high, the outputs are in the high-impedance state, allowing for bus-oriented applications. The device is housed in a 20-pin SOIC package (NSR suffix) and operates over a wide voltage range.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
4.75 V to 5.25 V |
| Input Voltage (VI) |
0 V to 5.5 V |
| Output Voltage (VO) |
0 V to VCC |
| High-Level Output Current (IOH) |
-0.4 mA |
| Low-Level Output Current (IOL) |
8 mA |
| Clock Frequency (fCLK) |
30 MHz (typical) |
| Propagation Delay (tPLH/tPHL) |
15 ns (typical at VCC=5V, CL=15pF) |
| Operating Temperature Range |
0°C to 70°C |
| Package |
20-SO (SOIC-20) |
Key Features
- Eight D-type flip-flops with single-rail outputs
- Buffered common clock and output enable
- Edge-triggered operation
- High-impedance state when OE is high
- Wide operating voltage range: 4.75 V to 5.25 V
- High noise immunity: typical VNH = 1.2 V, VNL = 1.2 V
- Low power consumption: 22 mW per flip-flop (typical)
- Industry-standard 20-pin SOIC package
Target Applications
- 5G base station control logic: used for temporary data storage in beamforming control units
- Automotive dashboard display: stores configuration data for instrument cluster drivers
- Industrial programmable logic controllers (PLCs): registers for I/O status
- Consumer electronics: remote control decoding and data buffering
- Telecommunications: line card register arrays
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74LS377NSR. 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
SN74LS377NSR 是一款高性能八路 D 型觸發器,具有緩衝公共時鐘和緩衝公共輸出使能。由德州儀器 (TI) 製造,適用於數字系統中的通用存儲應用。該器件包含八個邊沿觸發的觸發器,帶有獨立的 D 輸入和 Q 輸出。當輸出使能 (OE) 為低電平時,公共時鐘 (CLK) 同時加載所有觸發器;當 OE 為高電平時,輸出處於高阻抗狀態,適用於總線應用。器件採用 20 引腳 SOIC 封裝 (NSR 後綴),工作電壓範圍寬。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
4.75 V 至 5.25 V |
| 輸入電壓 (VI) |
0 V 至 5.5 V |
| 輸出電壓 (VO) |
0 V 至 VCC |
| 高電平輸出電流 (IOH) |
-0.4 mA |
| 低電平輸出電流 (IOL) |
8 mA |
| 時鐘頻率 (fCLK) |
30 MHz (典型值) |
| 傳播延遲 (tPLH/tPHL) |
15 ns (典型值,VCC=5V,CL=15pF) |
| 工作溫度範圍 |
0°C 至 70°C |
| 封裝 |
20-SO (SOIC-20) |
核心特性
- 八路 D 型觸發器,單端輸出
- 緩衝公共時鐘和輸出使能
- 邊沿觸發操作
- OE 為高電平時輸出高阻抗
- 寬工作電壓範圍:4.75 V 至 5.25 V
- 高噪聲容限:典型 VNH = 1.2 V,VNL = 1.2 V
- 低功耗:每個觸發器典型功耗 22 mW
- 業界標準 20 引腳 SOIC 封裝
典型應用場景
- 5G 基站控制邏輯:用於波束成形控制單元的臨時數據存儲
- 汽車儀表盤顯示:存儲儀表集群驅動器的配置數據
- 工業可編程邏輯控制器 (PLC):I/O 狀態寄存器
- 消費電子:遙控解碼和數據緩衝
- 電信:線路卡寄存器陣列
環球供應鏈與批發合作夥伴方案
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