SNJ54HC190FK TI Counter IC | Synchronous Up/Down | 2V-6V, 24MHz

Product Overview

The SNJ54HC190FK is a high-speed synchronous up/down counter from Texas Instruments, part of the 54HC family. It features a 4-bit binary counter with parallel load and ripple clock output. Operating from 2V to 6V, it offers a typical clock frequency of 24MHz at 5V. The device is designed for military and aerospace applications, with extended temperature range and radiation tolerance. Its synchronous operation ensures glitch-free counting, making it ideal for precision timing and control systems.

Detailed Technical Specifications

Key Features

• Synchronous up/down counting with parallel load
• Ripple clock output for cascading
• Wide operating voltage range: 2V to 6V
• High noise immunity: typical 30% of VCC
• Low power consumption: 80 µA max at 25°C
• Military temperature range: -55°C to +125°C
• Radiation hardened for space applications
• Compatible with TTL levels

Target Applications

The SNJ54HC190FK is suitable for high-reliability systems such as 5G base station timing modules, satellite communication systems, avionics flight control computers, military radar signal processing, and industrial automation controllers. Specific examples include use in the clock generation unit of a 5G base station, the event counter in a satellite telemetry system, and the position encoder in a missile guidance system.

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for SNJ54HC190FK. 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

SNJ54HC190FK 是德州儀器 (TI) 的一款高速同步可逆計數器，屬於 54HC 系列。它是一個帶並行加載和紋波時鐘輸出的 4 位二進制計數器，工作電壓範圍為 2V 至 6V，在 5V 下典型時鐘頻率為 24MHz。該器件專為軍工和航空航天應用設計，具有擴展溫度範圍和抗輻射能力。同步操作確保無毛刺計數，非常適合精密定時和控制系統。

詳細技術參數

核心特性

• 同步可逆計數，帶並行加載
• 紋波時鐘輸出，便於級聯
• 寬工作電壓範圍：2V 至 6V
• 高抗噪能力：典型值為 VCC 的 30%
• 低功耗：25°C 時最大 80 µA
• 軍工溫度範圍：-55°C 至 +125°C
• 抗輻射加固，適用於太空應用
• 與 TTL 電平兼容

典型應用場景

SNJ54HC190FK 適用於高可靠性系統，如 5G 基站定時模塊、衛星通信系統、航空電子飛行控制計算機、軍用雷達信號處理和工業自動化控制器。具體應用包括 5G 基站的時鐘生成單元、衛星遙測系統的事件計數器以及導彈制導系統的位置編碼器。

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 SNJ54HC190FK 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。
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• 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。
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• 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]