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CD74HC85E TI Comparator | 16-PDIP | 4-Bit Magnitude, High-Speed CMOS
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CD74HC85E TI Comparator | 16-PDIP | 4-Bit Magnitude, High-Speed CMOS

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产品描述
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Product Overview

The CD74HC85E from Texas Instruments is a high-speed CMOS 4-bit magnitude comparator designed for digital systems requiring comparison of two 4-bit binary or BCD words. It features three outputs indicating A>B, A=B, and A

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) 33ns typ (at VCC=4.5V, CL=50pF)
Input Capacitance (Ci) 10pF typ
Power Dissipation Capacitance (Cpd) 45pF typ
Operating Temperature -55°C to +125°C
Package 16-PDIP

Key Features

  • High-speed CMOS technology with typical propagation delay of 33ns
  • Low power consumption: 80µA max quiescent current
  • Wide operating voltage range: 2V to 6V
  • Three comparator outputs: A>B, A=B, A
  • Cascadable via expansion inputs (I>B, I=B, I
  • Standardized symmetrical output characteristics
  • Compatible with TTL logic levels
  • ESD protection exceeds 2000V per MIL-STD-883
    •

Target Applications

  • Digital comparators in 5G base station control logic
  • Address decoding in automotive dashboard displays
  • Industrial PLCs for process control
  • Battery management systems in portable devices
  • Data processing in medical imaging equipment

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for CD74HC85E. Our core advantages include:

  • 24/7 Global Customer Support: Professional team providing instant quotes and technical support worldwide.
  • In-stock Inventory, Same-day Shipping: We maintain localized stock; orders confirmed before 4 PM are shipped the same day.
  • HK-SZ Synergy, Flexible Settlement: Direct global shipping from Shenzhen with support for HK bank transfers and multi-currency.
  • Escrow Secured Transactions: We support Escrow.com for secure transactions, ensuring peace of mind for batch orders.
  • 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.

  • 100% Original & Authentic: All components are guaranteed to be authentic with strict quality control.
  • RoHS Compliant: All electronic components comply with international environmental and safety standards.
  • Original Factory Packaging: We maintain original factory packaging and seals to ensure ESD protection and physical integrity.

產品概述

CD74HC85E 是德州儀器推出的一款高速 CMOS 4 位幅度比較器，專為需要比較兩個 4 位二進制或 BCD 碼的數字系統設計。它具有三個輸出端，分別指示 A>B、A=B 和 A

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 33ns (VCC=4.5V, CL=50pF)
輸入電容 (Ci) 典型值 10pF
功耗電容 (Cpd) 典型值 45pF
工作溫度 -55°C 至 +125°C
封裝 16-PDIP

核心特性

  • 高速 CMOS 技術，典型傳播延遲 33ns
  • 低功耗：靜態電流最大 80µA
  • 寬工作電壓範圍：2V 至 6V
  • 三個比較輸出：A>B、A=B、A
  • 通過級聯輸入端 (I>B, I=B, I
  • 標準化對稱輸出特性
  • 兼容 TTL 邏輯電平
  • ESD 保護超過 2000V (MIL-STD-883)
    •

典型應用場景

  • 5G 基站控制邏輯中的數字比較器
  • 汽車儀表盤顯示中的地址解碼
  • 工業 PLC 過程控制
  • 便攜設備電池管理系統
  • 醫療影像設備數據處理

環球供應鏈與批發合作夥伴方案

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