CD74HCT390M TI Dual Decade Counter | 16-SOIC | 4.5V-5.5V, 20MHz

Product Overview

The CD74HCT390M from Texas Instruments is a high-speed CMOS dual decade counter integrated circuit. It contains two independent decade counters, each with a divide-by-2 and a divide-by-5 section. The device operates from a 4.5V to 5.5V supply voltage and features a typical clock frequency of 20 MHz. Housed in a 16-pin SOIC package, it is ideal for frequency division, time delay generation, and digital counting applications in industrial and consumer electronics.

Detailed Technical Specifications

Key Features

• Dual independent decade counters with divide-by-2 and divide-by-5 sections
• High-speed operation: typical clock frequency 20 MHz
• Wide operating voltage range: 4.5V to 5.5V
• Low power consumption: 80 µA (max) at 25°C
• Balanced propagation delays and transition times
• Standardized symmetrical output characteristics
• ESD protection exceeds 2000V per MIL-STD-883, Method 3015
• Available in 16-SOIC package for surface mount applications

Target Applications

• Frequency division in 5G base station timing modules
• Digital counters in automotive dashboard displays
• Time delay generation in industrial control systems
• Event counting in medical equipment like patient monitors
• BCD counting in consumer electronics such as microwave ovens

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for CD74HCT390M. 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

CD74HCT390M 是德州儀器 (TI) 的一款高速 CMOS 雙十進制計數器集成電路。它包含兩個獨立的十進制計數器，每個計數器具有除2和除5部分。該器件在 4.5V 至 5.5V 的電源電壓下工作，典型時鐘頻率為 20 MHz。採用 16 引腳 SOIC 封裝，非常適合工業和消費電子產品中的分頻、時延生成和數字計數應用。

詳細技術參數

核心特性

• 雙獨立十進制計數器，帶除2和除5部分
• 高速操作：典型時鐘頻率 20 MHz
• 寬工作電壓範圍：4.5V 至 5.5V
• 低功耗：25°C 時最大 80 µA
• 平衡的傳播延遲和轉換時間
• 標準化對稱輸出特性
• ESD 保護超過 2000V，符合 MIL-STD-883 方法 3015
• 提供 16-SOIC 封裝，適用於表面貼裝應用

典型應用場景

• 5G 基站定時模塊中的分頻
• 汽車儀表盤顯示中的數字計數
• 工業控制系統中的時延生成
• 醫療設備（如病人監護儀）中的事件計數
• 消費電子產品（如微波爐）中的 BCD 計數

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 CD74HCT390M 提供全面的供應鏈與批發解決方案。 我們的核心優勢包括：

• 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。
• 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。
• 深港聯動，結算靈活：深圳直發全球，物流高效可靠；支援香港銀行戶口轉賬及多幣種結算。
• 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。
• 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。

• 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。
• 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。
• 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。

HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
Trusted Partner for Automotive, Industrial, and Hard-to-find Components.
WhatsApp: +852 5209 9691 | Email: [email protected]