CD74HC191MT TI Presettable Up/Down Counter | 16-SOIC | 2V to 6V, Synchronous

Product Overview

The CD74HC191MT from Texas Instruments is a high-speed CMOS presettable synchronous up/down counter. It features a 4-bit binary counter with parallel load capability, making it ideal for a wide range of counting applications. The device operates over a supply voltage range of 2V to 6V, ensuring compatibility with both TTL and CMOS logic levels. Housed in a compact 16-SOIC package, it offers a balance of performance and space efficiency for modern electronic designs.

Detailed Technical Specifications

Key Features

• Synchronous up/down counting with parallel load
• 4-bit binary counter with ripple carry output
• Wide operating voltage range: 2V to 6V
• High noise immunity: typical 30% of VCC
• Low power consumption: 80 µA max (at VCC=6V, TA=25°C)
• Balanced propagation delays: tPLH and tPHL
• Compatible with TTL and CMOS logic families
• Available in 16-SOIC package for space-constrained designs

Target Applications

• 5G base station control logic for channel counting
• Automotive dashboard display counters (e.g., odometer, trip meter)
• Industrial automation for event counting in PLCs
• Consumer electronics: remote control code generation
• Medical devices: patient monitoring system timers
• Communication equipment: frequency division in radio systems

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for CD74HC191MT. 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

CD74HC191MT 是德州儀器（TI）的一款高速 CMOS 可預設同步加/減計數器。它具有 4 位二進制計數功能，並支持並行加載，適用於多種計數應用。該器件在 2V 至 6V 的電源電壓範圍內工作，兼容 TTL 和 CMOS 邏輯電平。採用緊湊的 16-SOIC 封裝，在性能和空間效率之間取得了平衡，適合現代電子設計。

詳細技術參數

核心特性

• 同步加/減計數，支持並行加載
• 4 位二進制計數器，帶有行波進位輸出
• 寬工作電壓範圍：2V 至 6V
• 高抗噪聲能力：典型值為 VCC 的 30%
• 低功耗：最大 80 µA (VCC=6V, TA=25°C 時)
• 平衡的傳播延遲：tPLH 和 tPHL
• 兼容 TTL 和 CMOS 邏輯系列
• 採用 16-SOIC 封裝，適合空間受限的設計

典型應用場景

• 5G 基站控制邏輯中的通道計數
• 汽車儀表盤顯示計數器（如里程表、行程表）
• 工業自動化中 PLC 的事件計數
• 消費電子：遙控器代碼生成
• 醫療設備：病人監護系統定時器
• 通信設備：無線電系統中的分頻

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 CD74HC191MT 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]