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Product Overview
The SN74LS123DE4 is a dual retriggerable monostable multivibrator from Texas Instruments, designed for high-performance digital systems. Each multivibrator features a single-shot pulse width controlled by external timing components (Rext and Cext). The device offers a wide supply voltage range (4.75V to 5.25V) and typical propagation delay of 30ns. Housed in a 16-pin SOIC package, it is ideal for pulse shaping, timing delay, and frequency division applications.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
4.75V – 5.25V |
| Input Voltage (VIH/VIL) |
2V / 0.8V |
| Output Current (IOH/IOL) |
-0.4mA / 8mA |
| Propagation Delay (tPLH/tPHL) |
30ns typical |
| Pulse Width Range |
40ns – 40s (external R, C) |
| Operating Temperature |
0°C to 70°C |
| Package |
16-SOIC |
Key Features
- Dual retriggerable monostable multivibrators
- Wide pulse width range via external R and C
- Schmitt-trigger inputs for noise immunity
- Complementary outputs (Q and Q̅)
- Low power consumption: 20mW typical
- Direct replacement for industry-standard 74LS123
Target Applications
- Pulse shaping in 5G base station control logic
- Timing delay in automotive dashboard displays
- Frequency division in industrial PLCs
- Debouncing circuits in consumer electronics
- One-shot pulse generation in medical devices
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74LS123DE4. 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
SN74LS123DE4 是德州儀器推出的雙可重觸發單穩態多諧振盪器,專為高性能數位系統設計。每個多諧振盪器的單次脈衝寬度由外部計時元件(Rext 和 Cext)控制。器件支援寬電源電壓範圍(4.75V 至 5.25V),典型傳播延遲為 30ns。採用 16 引腳 SOIC 封裝,適用於脈衝整形、定時延遲和分頻應用。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
4.75V – 5.25V |
| 輸入電壓 (VIH/VIL) |
2V / 0.8V |
| 輸出電流 (IOH/IOL) |
-0.4mA / 8mA |
| 傳播延遲 (tPLH/tPHL) |
典型 30ns |
| 脈衝寬度範圍 |
40ns – 40s(外部 R、C) |
| 工作溫度 |
0°C 至 70°C |
| 封裝 |
16-SOIC |
核心特性
- 雙可重觸發單穩態多諧振盪器
- 通過外部 R 和 C 實現寬脈衝寬度範圍
- 施密特觸發輸入,抗噪聲能力強
- 互補輸出(Q 和 Q̅)
- 低功耗:典型 20mW
- 可直接替代工業標準 74LS123
典型應用場景
- 5G 基站控制邏輯中的脈衝整形
- 汽車儀表盤顯示的定時延遲
- 工業 PLC 中的分頻電路
- 消費電子中的按鍵去抖
- 醫療設備中的單次脈衝生成
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 SN74LS123DE4 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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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。
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