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Product Overview
The CD74HC147PW is a high-speed CMOS 10-line to 4-line priority encoder from Texas Instruments. It encodes 10 active-low inputs (I1–I9) into a 4-bit binary code (A0–A3). The device features priority encoding, where the highest-order data input has the highest priority. It is designed for use in digital systems requiring efficient data compression and priority management. The CD74HC147PW is housed in a 16-pin TSSOP package, offering a compact footprint for space-constrained applications.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
2V to 6V |
| Input Voltage (VI) |
0V to VCC |
| Output Voltage (VO) |
0V to VCC |
| High-Level Input Voltage (VIH) |
3.15V min (at VCC=4.5V) |
| Low-Level Input Voltage (VIL) |
1.35V max (at VCC=4.5V) |
| High-Level Output Current (IOH) |
-4mA (at VCC=4.5V) |
| Low-Level Output Current (IOL) |
4mA (at VCC=4.5V) |
| Propagation Delay (tpd) |
15ns typ (at VCC=5V, CL=50pF) |
| Operating Temperature |
-55°C to +125°C |
| Package |
16-TSSOP |
Key Features
- High-speed CMOS technology
- 10-line to 4-line priority encoding
- Active-low inputs and outputs
- Wide supply voltage range: 2V to 6V
- Low power consumption: 80µA max ICC
- High noise immunity: typical VNIH = VNIL = 28% VCC
- Balanced propagation delays
- Standardized symmetrical output characteristics
- Compatible with TTL levels
- ESD protection exceeds 2000V per MIL-STD-883, Method 3015
Target Applications
- 5G base station control logic for interrupt prioritization
- Automotive dashboard display systems for input selection
- Industrial automation PLCs for sensor input encoding
- Medical equipment for patient monitoring priority
- Consumer electronics remote control encoding
- Data acquisition systems for channel selection
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
CD74HC147PW. 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
CD74HC147PW 是德州儀器的一款高速 CMOS 10 線轉 4 線優先編碼器。它將 10 個低電平有效輸入(I1–I9)編碼為 4 位二進制碼(A0–A3)。該器件具有優先編碼功能,其中最高位數據輸入具有最高優先級。它專為需要高效數據壓縮和優先級管理的數字系統而設計。CD74HC147PW 採用 16 引腳 TSSOP 封裝,為空間受限的應用提供了緊湊的佔位面積。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
2V 至 6V |
| 輸入電壓 (VI) |
0V 至 VCC |
| 輸出電壓 (VO) |
0V 至 VCC |
| 高電平輸入電壓 (VIH) |
最小值 3.15V (VCC=4.5V 時) |
| 低電平輸入電壓 (VIL) |
最大值 1.35V (VCC=4.5V 時) |
| 高電平輸出電流 (IOH) |
-4mA (VCC=4.5V 時) |
| 低電平輸出電流 (IOL) |
4mA (VCC=4.5V 時) |
| 傳播延遲 (tpd) |
典型值 15ns (VCC=5V, CL=50pF 時) |
| 工作溫度 |
-55°C 至 +125°C |
| 封裝 |
16-TSSOP |
核心特性
- 高速 CMOS 技術
- 10 線轉 4 線優先編碼
- 低電平有效輸入和輸出
- 寬電源電壓範圍:2V 至 6V
- 低功耗:最大 ICC 80µA
- 高抗噪能力:典型 VNIH = VNIL = 28% VCC
- 平衡的傳播延遲
- 標準化對稱輸出特性
- 兼容 TTL 電平
- ESD 保護超過 2000V(按 MIL-STD-883 方法 3015)
典型應用場景
- 5G 基站控制邏輯中的中斷優先級排序
- 汽車儀表盤顯示系統中的輸入選擇
- 工業自動化 PLC 中的傳感器輸入編碼
- 醫療設備中的患者監測優先級
- 消費電子遙控編碼
- 數據採集系統中的通道選擇
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 CD74HC147PW 提供全面的供應鏈與批發解決方案。
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