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Product Overview
The SN74HC4020D from Texas Instruments is a high-speed 14-stage binary ripple counter with a master reset function. It is designed for 2V to 6V operation and features a typical clock frequency of 12MHz. The device is housed in a 16-pin SOIC package, making it suitable for space-constrained applications. It provides a compact solution for frequency division, timing, and counting in digital systems.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
2V to 6V |
| Maximum Clock Frequency |
12 MHz (typical at 5V) |
| Number of Stages |
14 |
| Output Drive Capability |
±4 mA at 5V |
| Propagation Delay (tpd) |
15 ns (typical at 5V, 50pF) |
| Input Capacitance |
3 pF (typical) |
| Operating Temperature Range |
-40°C to +85°C |
| Package |
16-SOIC |
Key Features
- 14-stage binary ripple counter with 12 output taps (Q1 to Q14)
- Master reset (MR) input for asynchronous clearing
- Wide operating voltage range: 2V to 6V
- High-speed operation: 12 MHz typical at 5V
- Low power consumption: 80 µA max at 25°C
- Compatible with TTL and CMOS logic levels
- ESD protection exceeds 2000V per MIL-STD-883
Target Applications
The SN74HC4020D is ideal for frequency division, time delay generation, and event counting in various electronic systems. Specific applications include:
- 5G base station timing modules for clock division
- Automotive dashboard displays for odometer and trip counters
- Industrial automation PLCs for pulse counting
- Consumer electronics like microwave ovens and washing machines for timer functions
- Medical devices such as infusion pumps for dosage counting
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74HC4020D. 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
SN74HC4020D 是德州儀器 (TI) 生產的高速14級二進制紋波計數器,帶有主復位功能。它支持2V至6V的電源電壓,典型時鐘頻率為12MHz。器件採用16引腳SOIC封裝,適合空間受限的應用。它為數字系統中的分頻、定時和計數提供了緊湊的解決方案。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
2V 至 6V |
| 最大時鐘頻率 |
12 MHz (典型值,5V) |
| 級數 |
14 |
| 輸出驅動能力 |
±4 mA (5V) |
| 傳播延遲 (tpd) |
15 ns (典型值,5V,50pF) |
| 輸入電容 |
3 pF (典型值) |
| 工作溫度範圍 |
-40°C 至 +85°C |
| 封裝 |
16-SOIC |
核心特性
- 14級二進制紋波計數器,提供12個輸出抽頭 (Q1 至 Q14)
- 主復位 (MR) 輸入,用於異步清零
- 寬工作電壓範圍:2V 至 6V
- 高速操作:5V時典型值12 MHz
- 低功耗:25°C時最大80 µA
- 兼容TTL和CMOS邏輯電平
- ESD保護超過2000V (MIL-STD-883)
典型應用場景
SN74HC4020D 適用於各種電子系統中的分頻、延時生成和事件計數。具體應用包括:
- 5G基站定時模塊中的時鐘分頻
- 汽車儀表盤顯示中的里程表和行程計數器
- 工業自動化PLC中的脈衝計數
- 消費電子產品如微波爐和洗衣機的定時功能
- 醫療設備如輸液泵的劑量計數
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 SN74HC4020D 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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