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Product Overview
The CD4518BPW from Texas Instruments is a dual BCD up-counter integrated circuit, designed for general-purpose counting and frequency division applications. Housed in a compact 16-pin TSSOP package, it operates over a wide supply voltage range of 3V to 18V, making it suitable for battery-powered and industrial systems. Each counter consists of four cascaded flip-flops with a clock input, reset, and carry output for multi-stage expansion. The device features static operation, low power consumption, and high noise immunity typical of CMOS logic.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VDD) |
3V to 18V |
| Input Voltage Range |
0V to VDD |
| Operating Temperature |
-55°C to +125°C |
| Clock Frequency (Max) |
8 MHz (at VDD=10V) |
| Propagation Delay (Clock to Q) |
200 ns (typical at VDD=10V) |
| Power Dissipation |
500 mW (max) |
| Output Drive Current |
±1.5 mA (at VDD=10V) |
| Package |
16-TSSOP |
Key Features
- Dual independent BCD up-counters
- Wide supply voltage range: 3V to 18V
- Fully static operation
- Low power consumption: 10 µW (typical)
- High noise immunity: 45% of VDD
- Carry output for cascading multiple stages
- Reset input for clearing counters
- Standardized symmetrical output characteristics
Target Applications
- Frequency dividers in 5G base station timing modules
- Digital counters in automotive dashboard displays
- Industrial process control timers
- Battery-operated portable instruments
- Consumer electronics like washing machine cycle controllers
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
CD4518BPW. 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
CD4518BPW 是德州儀器(TI)生產的雙路 BCD 向上計數器集成電路,適用於通用計數和分頻應用。它採用緊湊的 16 引腳 TSSOP 封裝,工作電壓範圍為 3V 至 18V,適合電池供電和工業系統。每個計數器由四個級聯觸發器組成,具有時鐘輸入、復位和進位輸出,便於多級擴展。該器件具有靜態操作、低功耗和 CMOS 邏輯典型的高抗噪聲能力。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VDD) |
3V 至 18V |
| 輸入電壓範圍 |
0V 至 VDD |
| 工作溫度 |
-55°C 至 +125°C |
| 最大時鐘頻率 |
8 MHz (VDD=10V 時) |
| 傳播延遲 (時鐘到 Q) |
200 ns (典型值,VDD=10V) |
| 最大功耗 |
500 mW |
| 輸出驅動電流 |
±1.5 mA (VDD=10V 時) |
| 封裝 |
16-TSSOP |
核心特性
- 雙路獨立 BCD 向上計數器
- 寬電源電壓範圍:3V 至 18V
- 完全靜態操作
- 低功耗:典型值 10 µW
- 高抗噪聲能力:45% VDD
- 進位輸出,便於級聯
- 復位輸入,用於清零
- 標準化對稱輸出特性
典型應用場景
- 5G 基站定時模塊中的分頻器
- 汽車儀表盤顯示中的數字計數器
- 工業過程控制定時器
- 電池供電的便攜式儀器
- 消費電子產品,如洗衣機循環控制器
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 CD4518BPW 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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