SN74HC191N3 TI Counter IC | 16-PDIP | 4-Bit, Synchronous, Up/Down

Product Overview

The SN74HC191N3 is a synchronous, 4-bit up/down binary counter from Texas Instruments, housed in a 16-pin PDIP package. It features a look-ahead carry for high-speed counting and is designed for use in a wide range of digital applications. The device operates over a supply voltage range of 2 V to 6 V, making it compatible with TTL and CMOS logic levels. Its synchronous operation ensures reliable performance in clocked systems.

Detailed Technical Specifications

Key Features

• Synchronous 4-bit up/down binary counter
• Look-ahead carry for high-speed cascading
• Wide operating voltage range: 2 V to 6 V
• Direct clear and load inputs
• Output capability: standard
• ICC category: MSI
• RoHS compliant

Target Applications

The SN74HC191N3 is ideal for use in digital systems requiring counting, frequency division, or sequencing. Specific applications include:

• 5G base station control logic for channel counting
• Automotive dashboard display drivers for odometer/trip meter
• Industrial programmable logic controllers (PLCs) for event counting
• Consumer electronics like digital clocks and timers
• Test and measurement equipment for frequency synthesis

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for SN74HC191N3. 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

SN74HC191N3 是德州儀器（TI）生產的同步4位元可逆二進制計數器，採用16引腳PDIP封裝。它具有前瞻進位功能，可實現高速計數，適用於多種數位應用。工作電壓範圍為2V至6V，相容TTL和CMOS邏輯電平。同步操作確保在時鐘系統中的可靠性能。

詳細技術參數

核心特性

• 同步4位元可逆二進制計數器
• 前瞻進位實現高速級聯
• 寬工作電壓範圍：2V至6V
• 直接清零和載入輸入
• 輸出能力：標準
• ICC類別：MSI
• 符合RoHS標準

典型應用場景

SN74HC191N3 適用於需要計數、分頻或序列控制的數位系統。具體應用包括：

• 5G基站控制邏輯中的通道計數
• 汽車儀表板顯示驅動器（里程表/行程表）
• 工業可程式邏輯控制器（PLC）中的事件計數
• 消費電子產品如數位時鐘和定時器
• 測試與測量設備中的頻率合成

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 SN74HC191N3 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]