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Product Overview
The SN74LS74ADR from Texas Instruments is a dual D-type positive-edge-triggered flip-flop with preset and clear functions. It is designed for general-purpose storage and data transfer applications in digital systems. The device features low power consumption typical of LS logic families and operates over a wide voltage range. Housed in a compact 14-SOIC package, it is suitable for space-constrained designs.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
4.75 V to 5.25 V |
| High-Level Input Voltage (VIH) |
2 V (min) |
| Low-Level Input Voltage (VIL) |
0.8 V (max) |
| High-Level Output Current (IOH) |
-0.4 mA |
| Low-Level Output Current (IOL) |
8 mA |
| Propagation Delay (tPLH/tPHL) |
15 ns (typ) at VCC = 5 V, CL = 15 pF |
| Input Capacitance |
5 pF (typ) |
| Operating Temperature Range |
0°C to 70°C |
| Package |
14-SOIC |
Key Features
- Dual D-type flip-flops with preset and clear
- Positive-edge triggered for reliable clocking
- Low power consumption: 22 mW per flip-flop (typ)
- Wide operating voltage range: 4.75 V to 5.25 V
- High noise immunity: typical 1 V
- Compatible with TTL and CMOS logic levels
- Industry-standard 14-SOIC package for easy integration
Target Applications
- Data storage and transfer in 5G base station control logic
- Register and latch functions in automotive dashboard displays
- Frequency dividers in industrial automation systems
- State machines in consumer electronics like smart home hubs
- Buffer and delay circuits in telecommunications equipment
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74LS74ADR. 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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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
SN74LS74ADR 是德州儀器推出的雙路 D 型正邊緣觸發觸發器,帶有預置和清零功能。它專為數字系統中的通用存儲和數據傳輸應用而設計。該器件具有 LS 邏輯系列典型的低功耗特性,並在寬電壓範圍內工作。採用緊湊的 14-SOIC 封裝,適合空間受限的設計。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
4.75 V 至 5.25 V |
| 高電平輸入電壓 (VIH) |
2 V(最小值) |
| 低電平輸入電壓 (VIL) |
0.8 V(最大值) |
| 高電平輸出電流 (IOH) |
-0.4 mA |
| 低電平輸出電流 (IOL) |
8 mA |
| 傳播延遲 (tPLH/tPHL) |
15 ns(典型值,VCC = 5 V,CL = 15 pF) |
| 輸入電容 |
5 pF(典型值) |
| 工作溫度範圍 |
0°C 至 70°C |
| 封裝 |
14-SOIC |
核心特性
- 雙路 D 型觸發器,帶預置和清零
- 正邊緣觸發,時鐘可靠
- 低功耗:每個觸發器典型功耗 22 mW
- 寬工作電壓範圍:4.75 V 至 5.25 V
- 高抗噪能力:典型值 1 V
- 兼容 TTL 和 CMOS 邏輯電平
- 行業標準 14-SOIC 封裝,易於集成
典型應用場景
- 5G 基站控制邏輯中的數據存儲和傳輸
- 汽車儀表盤顯示中的寄存器和鎖存功能
- 工業自動化系統中的分頻器
- 智能家居中樞等消費電子中的狀態機
- 電信設備中的緩衝和延遲電路
環球供應鏈與批發合作夥伴方案
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