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Product Overview
The SN74LS468DW is a 4-bit synchronous counter/divider from Texas Instruments, designed for high-performance digital systems. It features a synchronous counting architecture, which ensures stable and predictable operation in clocked applications. The device is part of the 74LS family, offering low power consumption and high noise immunity. It is packaged in a 20-pin SOIC (DW) package, making it suitable for surface-mount assembly.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
4.75V to 5.25V |
| Operating Temperature |
0°C to 70°C |
| Propagation Delay (tpd) |
20 ns (typical) |
| Maximum Clock Frequency |
30 MHz |
| Output Current (IOL/IOH) |
8 mA / -0.4 mA |
| Package Type |
SOIC-20 (DW) |
Key Features
- Synchronous 4-bit binary counter/divider
- Asynchronous master reset (MR) input
- Count enable (CE) and terminal count (TC) outputs for cascading
- Low power consumption: 20 mW typical
- Schmitt-trigger clock input for noise immunity
- Compatible with TTL and CMOS logic levels
Target Applications
- Frequency division in 5G base station timing circuits
- Digital counters in automotive dashboard displays
- Industrial automation PLCs for event counting
- Consumer electronics like digital clocks and timers
- Data communication systems for bit synchronization
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74LS468DW. 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
SN74LS468DW 是德州儀器(TI)推出的4位同步計數器/分頻器,專為高性能數字系統設計。其同步計數架構確保了在時鐘應用中的穩定和可預測操作。該器件屬於74LS系列,具有低功耗和高抗噪聲能力。採用20引腳SOIC(DW)封裝,適合表面貼裝組裝。
詳細技術參數
| 參數 |
數值 |
| 電源電壓(VCC) |
4.75V 至 5.25V |
| 工作溫度 |
0°C 至 70°C |
| 傳播延遲(tpd) |
20 ns(典型值) |
| 最大時鐘頻率 |
30 MHz |
| 輸出電流(IOL/IOH) |
8 mA / -0.4 mA |
| 封裝類型 |
SOIC-20(DW) |
核心特性
- 同步4位二進制計數器/分頻器
- 異步主復位(MR)輸入
- 計數使能(CE)和終端計數(TC)輸出,用於級聯
- 低功耗:典型值20 mW
- 施密特觸發時鐘輸入,增強抗噪聲能力
- 兼容TTL和CMOS邏輯電平
典型應用場景
- 5G基站定時電路中的分頻
- 汽車儀表盤顯示中的數字計數
- 工業自動化PLC中的事件計數
- 消費電子產品,如數字時鐘和定時器
- 數據通信系統中的位同步
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 SN74LS468DW 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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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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