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Product Overview
The SN74LS85DR is a 4-bit magnitude comparator from Texas Instruments (TI) designed for comparing two 4-bit binary or BCD words. It features three outputs (A>B, A=B, ADetailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
4.75V to 5.25V |
| Input Voltage (VIH) |
2V min |
| Input Voltage (VIL) |
0.8V max |
| Output Current (IOH) |
-0.4 mA |
| Output Current (IOL) |
8 mA |
| Propagation Delay (tpd) |
30 ns typ |
| Operating Temperature |
0°C to 70°C |
| Package |
16-SOIC |
Key Features
- 4-bit magnitude comparison of two binary or BCD words
- Three outputs: A>B, A=B, A
- Cascading inputs for expansion to 8, 12, 16 bits, etc.
- TTL compatible inputs and outputs
- Low power consumption: 35 mW typical
- High speed: 30 ns typical propagation delay
- Standard 16-pin SOIC package for surface mount
Target Applications
- 5G base station control logic for address comparison
- Automotive dashboard display systems for data validation
- Industrial programmable logic controllers (PLCs) for process control
- Consumer electronics like smart home hubs for priority encoding
- Data communication equipment for packet header comparison
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74LS85DR. 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
SN74LS85DR 是德州儀器 (TI) 生產的 4 位幅度比較器,用於比較兩個 4 位二進制或 BCD 碼。它具有三個輸出(A>B、A=B、A詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
4.75V 至 5.25V |
| 輸入高電平 (VIH) |
最小值 2V |
| 輸入低電平 (VIL) |
最大值 0.8V |
| 輸出高電平電流 (IOH) |
-0.4 mA |
| 輸出低電平電流 (IOL) |
8 mA |
| 傳播延遲 (tpd) |
典型值 30 ns |
| 工作溫度 |
0°C 至 70°C |
| 封裝 |
16-SOIC |
核心特性
- 4 位幅度比較,支持二進制或 BCD 碼
- 三個輸出:A>B、A=B、A
- 級聯輸入,可擴展至 8、12、16 位等
- TTL 兼容輸入和輸出
- 低功耗:典型值 35 mW
- 高速:典型傳播延遲 30 ns
- 標準 16 引腳 SOIC 封裝,適合表面貼裝
典型應用場景
- 5G 基站控制邏輯中的地址比較
- 汽車儀表盤顯示系統中的數據驗證
- 工業可編程邏輯控制器 (PLC) 中的過程控制
- 消費電子如智能家居中樞的優先級編碼
- 數據通信設備中的數據包頭比較
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 SN74LS85DR 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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現貨庫存,即日發貨:確保現貨充足。下午 4 點前確認訂單,即可安排當天寄出。
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Escrow 擔保交易:支援 Escrow.com 平台交易,保障買賣雙方權益,小批量訂單亦可安心在線下單。
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BOM 配單與樣板服務:提供樣板測試及認證支援。專注一站式 BOM 配套及緊急缺料採購服務。
品質保證與合規
Jasin Chip 承諾所有出貨產品均為原廠正貨,具備完善的品質保證及產品可追溯性。
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100% 原廠正貨:承諾所有供應零件均為原裝現貨,品質嚴格把關,來源清晰可追溯。
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符合 RoHS 認證:所有電子元器件均符合國際環保標準及相關安全認證。
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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。
以上產品均為原廠正貨,提供 BOM 配單及現貨庫存支援,歡迎查詢。
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HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
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