SN54ALS191AJ TI Synchronous Up/Down Counter | 4-Bit, Binary, ALS Logic

Product Overview

The SN54ALS191AJ is a synchronous, presettable, 4-bit binary up/down counter from Texas Instruments, part of the advanced low-power Schottky (ALS) logic family. It features a fully independent clock circuit and a look-ahead carry for high-speed counting. The device is designed for use in a wide range of counting applications, including frequency division, timing, and control systems.

Detailed Technical Specifications

Key Features

• Synchronous counting with independent clock
• Presettable to any 4-bit binary value
• Look-ahead carry for cascading without external logic
• Up/down counting controlled by a single input
• Buffered outputs and inputs
• Low power consumption (ALS technology)
• Wide operating temperature range for industrial and military applications

Target Applications

• 5G base station timing and control circuits
• Automotive dashboard display controllers
• Industrial automation counters and timers
• Military and aerospace avionics systems
• Medical equipment frequency dividers
• Programmable logic controllers (PLCs)

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for SN54ALS191AJ. 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

SN54ALS191AJ 是德州儀器（TI）推出的一款同步、可預設的4位二進制加/減計數器，屬於先進低功耗肖特基（ALS）邏輯系列。它具有完全獨立的時鐘電路和先行進位功能，可實現高速計數。該器件廣泛應用於頻率分配、定時和控制系統等計數場合。

詳細技術參數

核心特性

• 同步計數，獨立時鐘
• 可預設任意4位二進制值
• 先行進位，級聯無需外部邏輯
• 單輸入控制加/減計數
• 緩衝輸出和輸入
• 低功耗（ALS技術）
• 寬工作溫度範圍，適用於工業和軍事應用

典型應用場景

• 5G基站定時和控制電路
• 汽車儀表盤顯示控制器
• 工業自動化計數器和定時器
• 軍用和航空航天航電系統
• 醫療設備頻率分配器
• 可編程邏輯控制器（PLC）

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 SN54ALS191AJ 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]