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Product Overview
The CD74HCT147E is a high-speed CMOS 10-line-to-4-line priority encoder from Texas Instruments. It encodes ten data inputs (D1–D9) to a four-bit binary output (A0–A3), with D9 having the highest priority. The device features TTL-compatible inputs, low power consumption, and is ideal for interrupt handling and data compression in digital systems. Housed in a 16-pin PDIP package, it operates over a wide voltage range and is suitable for industrial and automotive applications.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
4.5V to 5.5V |
| Input Voltage (VI) |
0V to VCC |
| Output Voltage (VO) |
0V to VCC |
| High-Level Input Voltage (VIH) |
2V (min) |
| Low-Level Input Voltage (VIL) |
0.8V (max) |
| High-Level Output Current (IOH) |
-4mA (max) |
| Low-Level Output Current (IOL) |
4mA (max) |
| Propagation Delay (tpd) |
23ns (typ) at VCC=5V, CL=50pF |
| Power Dissipation (PD) |
500mW (max) |
| Operating Temperature |
-55°C to +125°C |
| Package |
16-PDIP |
Key Features
- High-speed CMOS technology with TTL-compatible inputs
- 10-line-to-4-line priority encoding with active low outputs
- Low power consumption: 80µA (max) ICC
- Wide operating temperature range: -55°C to +125°C
- Input clamp diodes for ESD protection
- Standard 16-pin PDIP package for easy prototyping
Target Applications
- Interrupt priority encoding in 5G base station controllers
- Data compression and encoding in automotive dashboards
- Keypad scanning in industrial control panels
- Address decoding in memory systems
- Signal routing in communication equipment
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
CD74HCT147E. 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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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
CD74HCT147E 是德州儀器出品的高速 CMOS 10 線轉 4 線優先編碼器。它將十個數據輸入(D1–D9)編碼為四位二進制輸出(A0–A3),其中 D9 具有最高優先級。該器件具有 TTL 兼容輸入、低功耗,非常適合數字系統中的中斷處理和數據壓縮。採用 16 引腳 PDIP 封裝,可在寬電壓範圍內工作,適用於工業和汽車應用。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
4.5V 至 5.5V |
| 輸入電壓 (VI) |
0V 至 VCC |
| 輸出電壓 (VO) |
0V 至 VCC |
| 高電平輸入電壓 (VIH) |
2V(最小值) |
| 低電平輸入電壓 (VIL) |
0.8V(最大值) |
| 高電平輸出電流 (IOH) |
-4mA(最大值) |
| 低電平輸出電流 (IOL) |
4mA(最大值) |
| 傳播延遲 (tpd) |
23ns(典型值,VCC=5V,CL=50pF) |
| 功耗 (PD) |
500mW(最大值) |
| 工作溫度 |
-55°C 至 +125°C |
| 封裝 |
16-PDIP |
核心特性
- 高速 CMOS 技術,TTL 兼容輸入
- 10 線轉 4 線優先編碼,低電平有效輸出
- 低功耗:ICC 最大 80µA
- 寬工作溫度範圍:-55°C 至 +125°C
- 輸入鉗位二極管,ESD 保護
- 標準 16 引腳 PDIP 封裝,便於原型設計
典型應用場景
- 5G 基站控制器中的中斷優先級編碼
- 汽車儀表盤中的數據壓縮與編碼
- 工業控制面板中的鍵盤掃描
- 存儲器系統中的地址解碼
- 通信設備中的信號路由
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 CD74HCT147E 提供全面的供應鏈與批發解決方案。
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