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Product Overview
The SN74LS123D is a dual retriggerable monostable multivibrator from Texas Instruments, designed for high-performance digital systems. Each multivibrator features a negative-edge trigger input and a positive-edge trigger input, allowing flexible triggering options. The device provides an output pulse width that is programmable via external resistors and capacitors. It operates from a 5V supply and is characterized for operation from 0°C to 70°C. The 16-SOIC package offers a compact surface-mount solution for space-constrained applications.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
4.75V to 5.25V |
| Output Pulse Width |
Programmable via R and C |
| Trigger Inputs |
Negative-edge (A) and Positive-edge (B) |
| Output Drive Capability |
8 LSTTL loads |
| Operating Temperature |
0°C to 70°C |
| Package |
16-SOIC |
| Logic Family |
LS |
Key Features
- Dual monostable multivibrators in one package
- Retriggerable for extended pulse width
- Programmable pulse width with external R and C
- Schmitt-trigger inputs for noise immunity
- Complementary outputs (Q and Q̅)
- Wide supply voltage range
Target Applications
- Pulse generation and timing circuits in 5G base stations
- Debouncing switches in automotive dashboard controls
- Frequency division in industrial automation systems
- Delay line generation in communication equipment
- Pulse width modulation in power management units
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74LS123D. 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
SN74LS123D 是德州儀器推出的雙路可重觸發單穩態多諧振盪器,專為高性能數字系統設計。每個多諧振盪器具備負邊沿觸發輸入和正邊沿觸發輸入,提供靈活的觸發選項。輸出脈衝寬度可通過外部電阻和電容編程。器件工作在 5V 電源下,工作溫度範圍為 0°C 至 70°C。16-SOIC 封裝為空間受限的應用提供了緊湊的表面貼裝解決方案。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
4.75V 至 5.25V |
| 輸出脈衝寬度 |
通過 R 和 C 編程 |
| 觸發輸入 |
負邊沿 (A) 和正邊沿 (B) |
| 輸出驅動能力 |
8 個 LSTTL 負載 |
| 工作溫度 |
0°C 至 70°C |
| 封裝 |
16-SOIC |
| 邏輯系列 |
LS |
核心特性
- 單封裝內集成雙路單穩態多諧振盪器
- 可重觸發以延長脈衝寬度
- 通過外部 R 和 C 編程脈衝寬度
- 施密特觸發輸入提高抗噪能力
- 互補輸出 (Q 和 Q̅)
- 寬電源電壓範圍
典型應用場景
- 5G 基站中的脈衝生成和定時電路
- 汽車儀表盤控制中的按鍵消抖
- 工業自動化系統中的分頻
- 通信設備中的延遲線生成
- 電源管理單元中的脈衝寬度調製
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 SN74LS123D 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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Jasin Chip 承諾所有出貨產品均為原廠正貨,具備完善的品質保證及產品可追溯性。
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100% 原廠正貨:承諾所有供應零件均為原裝現貨,品質嚴格把關,來源清晰可追溯。
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符合 RoHS 認證:所有電子元器件均符合國際環保標準及相關安全認證。
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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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