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Product Overview
The SN74LS123N is a dual retriggerable monostable multivibrator from Texas Instruments, designed for pulse generation and timing applications. Each multivibrator features a Schmitt-trigger input for noise immunity and provides complementary Q and Q̅ outputs. The device is housed in a 16-pin PDIP package, making it suitable for through-hole PCB assembly. With a wide supply voltage range of 4.75V to 5.25V and typical propagation delay of 23ns, it offers reliable performance in industrial and consumer electronics.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
4.75V to 5.25V |
| Output Current (IOH/IOL) |
-0.4 mA / 8 mA |
| Propagation Delay (tPLH/tPHL) |
23 ns typical |
| Power Dissipation |
45 mW per package |
| Operating Temperature |
0°C to 70°C |
| Package Type |
16-PDIP |
| Logic Family |
LS |
| Number of Channels |
2 |
| Trigger Type |
Schmitt-trigger |
| Output Type |
Complementary (Q, Q̅) |
Key Features
- Dual retriggerable monostable multivibrator
- Schmitt-trigger input for noise immunity
- Complementary outputs (Q and Q̅)
- Wide supply voltage range: 4.75V to 5.25V
- Low power consumption: 45 mW typical
- High noise immunity: typically 1.2V
- Output pulse width controlled by external R and C
- Retriggerable and non-retriggerable modes
- Direct reset input for each multivibrator
- Industry-standard 16-pin PDIP package
Target Applications
- Pulse generation in 5G base station control boards
- Timing circuits in automotive dashboard displays
- Debouncing switches in industrial control panels
- Frequency division in consumer electronics
- Delay line generation in communication systems
- Pulse width modulation in LED lighting controllers
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74LS123N. 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
SN74LS123N 是德州儀器推出的雙路可重觸發單穩態多諧振盪器,專為脈衝產生和定時應用設計。每個多諧振盪器具備施密特觸發輸入以增強抗噪能力,並提供互補的 Q 和 Q̅ 輸出。器件採用 16 引腳 PDIP 封裝,適合通孔 PCB 組裝。電源電壓範圍為 4.75V 至 5.25V,典型傳播延遲為 23ns,在工業和消費電子中提供可靠性能。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
4.75V 至 5.25V |
| 輸出電流 (IOH/IOL) |
-0.4 mA / 8 mA |
| 傳播延遲 (tPLH/tPHL) |
典型 23 ns |
| 功耗 |
每封裝 45 mW |
| 工作溫度 |
0°C 至 70°C |
| 封裝類型 |
16-PDIP |
| 邏輯系列 |
LS |
| 通道數 |
2 |
| 觸發類型 |
施密特觸發 |
| 輸出類型 |
互補 (Q, Q̅) |
核心特性
- 雙路可重觸發單穩態多諧振盪器
- 施密特觸發輸入,增強抗噪能力
- 互補輸出 (Q 和 Q̅)
- 寬電源電壓範圍:4.75V 至 5.25V
- 低功耗:典型 45 mW
- 高抗噪能力:典型 1.2V
- 輸出脈衝寬度由外部 R 和 C 控制
- 可重觸發和非重觸發模式
- 每個多諧振盪器帶有直接復位輸入
- 行業標準 16 引腳 PDIP 封裝
典型應用場景
- 5G 基站控制板中的脈衝產生
- 汽車儀表盤顯示中的定時電路
- 工業控制面板中的按鍵消抖
- 消費電子中的分頻
- 通信系統中的延遲線產生
- LED 照明控制器中的脈衝寬度調製
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 SN74LS123N 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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