{"product_id":"ti-snj54hc190fk","title":"SNJ54HC190FK TI Counter IC | Synchronous Up\/Down | 2V-6V, 24MHz","description":"\n\u003cdiv style=\"display:flex; flex-wrap:wrap; gap:10px; margin-bottom:30px;\n            border-bottom:1px solid #f0f0f0; padding-bottom:20px;\"\u003e\n  \u003cspan style=\"background:#f3e5f5; color:#7b1fa2; padding:6px 14px; border-radius:4px;\n               font-size:12px; font-weight:bold; border:1px solid #e1bee7;\"\u003e🧪 SAMPLE SUPPORT\u003c\/span\u003e\n  \u003cspan style=\"background:#e8f5e9; color:#2e7d32; padding:6px 14px; border-radius:4px;\n               font-size:12px; font-weight:bold; border:1px solid #c8e6c9;\"\u003e✅ 100% Original \u0026amp; Traceable\u003c\/span\u003e\n  \u003cspan style=\"background:#e3f2fd; color:#1565c0; padding:6px 14px; border-radius:4px;\n               font-size:12px; font-weight:bold; border:1px solid #bbdefb;\"\u003e🚀 Inquiry Today, Ship Today\u003c\/span\u003e\n  \u003cspan style=\"background:#fff3e0; color:#ef6c00; padding:6px 14px; border-radius:4px;\n               font-size:12px; font-weight:bold; border:1px solid #ffe0b2;\"\u003e🛡️ Escrow.com Secured Payment\u003c\/span\u003e\n\u003c\/div\u003e\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe 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.\u003c\/p\u003e\u003ch2\u003eDetailed Technical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage (VCC)\u003c\/td\u003e\n\u003ctd\u003e2V to 6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage (VI)\u003c\/td\u003e\n\u003ctd\u003e0V to VCC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage (VO)\u003c\/td\u003e\n\u003ctd\u003e0V to VCC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClock Frequency (fCLK) at 5V\u003c\/td\u003e\n\u003ctd\u003e24 MHz (typ)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePropagation Delay (tpd) at 5V\u003c\/td\u003e\n\u003ctd\u003e20 ns (typ)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature Range\u003c\/td\u003e\n\u003ctd\u003e-55°C to +125°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eLCCC (20-pin)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLogic Family\u003c\/td\u003e\n\u003ctd\u003eHC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCounting Mode\u003c\/td\u003e\n\u003ctd\u003eUp\/Down, synchronous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Drive Current\u003c\/td\u003e\n\u003ctd\u003e±4 mA at 5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSynchronous up\/down counting with parallel load\u003c\/li\u003e\n\u003cli\u003eRipple clock output for cascading\u003c\/li\u003e\n\u003cli\u003eWide operating voltage range: 2V to 6V\u003c\/li\u003e\n\u003cli\u003eHigh noise immunity: typical 30% of VCC\u003c\/li\u003e\n\u003cli\u003eLow power consumption: 80 µA max at 25°C\u003c\/li\u003e\n\u003cli\u003eMilitary temperature range: -55°C to +125°C\u003c\/li\u003e\n\u003cli\u003eRadiation hardened for space applications\u003c\/li\u003e\n\u003cli\u003eCompatible with TTL levels\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTarget Applications\u003c\/h2\u003e\u003cp\u003eThe 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.\u003c\/p\u003e\n\u003ch2 style=\"border-bottom:2px solid #eee; padding-bottom:10px; margin-top:40px;\"\u003e\n  Global Supply Chain \u0026amp; Wholesale Solutions\n\u003c\/h2\u003e\n\u003cp\u003eAt Jasin Chip, we provide professional supply chain and wholesale solutions for\n\u003cstrong\u003eSNJ54HC190FK\u003c\/strong\u003e. Our core advantages include:\u003c\/p\u003e\n\u003cul style=\"line-height:1.8; color:#444;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003e24\/7 Global Customer Support:\u003c\/strong\u003e Professional team providing instant\n      quotes and technical support worldwide.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIn-stock Inventory, Same-day Shipping:\u003c\/strong\u003e We maintain localized stock;\n      orders confirmed before 4 PM are shipped the same day.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHK-SZ Synergy, Flexible Settlement:\u003c\/strong\u003e Direct global shipping from\n      Shenzhen with support for HK bank transfers and multi-currency.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEscrow Secured Transactions:\u003c\/strong\u003e We support Escrow.com for secure\n      transactions, ensuring peace of mind for batch orders.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBOM Kitting \u0026amp; Sampling Services:\u003c\/strong\u003e Specialized sourcing for\n      testing samples and urgent shortage components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"border-bottom:2px solid #eee; padding-bottom:10px; margin-top:40px;\"\u003e\n  Quality Assurance \u0026amp; Compliance\n\u003c\/h2\u003e\n\u003cp\u003eJasin Chip guarantees that all delivered products are 100% original factory stock\nwith full quality assurance and traceability.\u003c\/p\u003e\n\u003cul style=\"line-height:1.8; color:#444;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003e100% Original \u0026amp; Authentic:\u003c\/strong\u003e All components are guaranteed to\n      be authentic with strict quality control.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRoHS Compliant:\u003c\/strong\u003e All electronic components comply with international\n      environmental and safety standards.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOriginal Factory Packaging:\u003c\/strong\u003e We maintain original factory packaging\n      and seals to ensure ESD protection and physical integrity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin:50px 0; border:0; border-top:2px dashed #eee;\"\u003e\n\u003ch2\u003e產品概述\u003c\/h2\u003e\u003cp\u003eSNJ54HC190FK 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。\u003c\/p\u003e\u003ch2\u003e詳細技術參數\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003e參數\u003c\/th\u003e\n\u003cth\u003e數值\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e電源電壓 (VCC)\u003c\/td\u003e\n\u003ctd\u003e2V 至 6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e輸入電壓 (VI)\u003c\/td\u003e\n\u003ctd\u003e0V 至 VCC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e輸出電壓 (VO)\u003c\/td\u003e\n\u003ctd\u003e0V 至 VCC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e時鐘頻率 (fCLK) 在 5V 時\u003c\/td\u003e\n\u003ctd\u003e24 MHz (典型值)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e傳播延遲 (tpd) 在 5V 時\u003c\/td\u003e\n\u003ctd\u003e20 ns (典型值)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e工作溫度範圍\u003c\/td\u003e\n\u003ctd\u003e-55°C 至 +125°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e封裝\u003c\/td\u003e\n\u003ctd\u003eLCCC (20 引腳)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e邏輯系列\u003c\/td\u003e\n\u003ctd\u003eHC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e計數模式\u003c\/td\u003e\n\u003ctd\u003e可逆，同步\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e輸出驅動電流\u003c\/td\u003e\n\u003ctd\u003e±4 mA 在 5V 時\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003e核心特性\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e同步可逆計數，帶並行加載\u003c\/li\u003e\n\u003cli\u003e紋波時鐘輸出，便於級聯\u003c\/li\u003e\n\u003cli\u003e寬工作電壓範圍：2V 至 6V\u003c\/li\u003e\n\u003cli\u003e高抗噪能力：典型值為 VCC 的 30%\u003c\/li\u003e\n\u003cli\u003e低功耗：25°C 時最大 80 µA\u003c\/li\u003e\n\u003cli\u003e軍工溫度範圍：-55°C 至 +125°C\u003c\/li\u003e\n\u003cli\u003e抗輻射加固，適用於太空應用\u003c\/li\u003e\n\u003cli\u003e與 TTL 電平兼容\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003e典型應用場景\u003c\/h2\u003e\u003cp\u003eSNJ54HC190FK 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。\u003c\/p\u003e\n\u003ch2 style=\"border-bottom:2px solid #eee; padding-bottom:10px; margin-top:40px;\"\u003e\n  環球供應鏈與批發合作夥伴方案\n\u003c\/h2\u003e\n\u003cp\u003e在 Jasin Chip，我們為 \u003cstrong\u003eSNJ54HC190FK\u003c\/strong\u003e 提供全面的供應鏈與批發解決方案。\n我們的核心優勢包括：\u003c\/p\u003e\n\u003cul style=\"line-height:1.8; color:#444;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003e全天候環球客戶支援：\u003c\/strong\u003e專業團隊為您提供即時報價及技術支援，無需漫長等待。\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e現貨庫存，即日發貨：\u003c\/strong\u003e確保現貨充足。下午 4 點前確認訂單，即可安排當天寄出。\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e深港聯動，結算靈活：\u003c\/strong\u003e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。\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEscrow 擔保交易：\u003c\/strong\u003e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。\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBOM 配單與樣板服務：\u003c\/strong\u003e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。\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"border-bottom:2px solid #eee; padding-bottom:10px; margin-top:40px;\"\u003e\n  品質保證與合規\n\u003c\/h2\u003e\n\u003cp\u003eJasin 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。\u003c\/p\u003e\n\u003cul style=\"line-height:1.8; color:#444;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003e100% 原廠正貨：\u003c\/strong\u003e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。\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e符合 RoHS 認證：\u003c\/strong\u003e所有電子元器件均符合國際環保標準及相關安全認證。\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e原廠封裝保護：\u003c\/strong\u003e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。\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"font-size:14px; color:#666;\"\u003e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。\u003c\/p\u003e\n\n\u003cdiv style=\"margin:25px 0; padding:15px; border:1px solid #eee;\n            border-left:5px solid #2c3e50; background-color:#fcfcfc;\"\u003e\n  \u003cstrong style=\"font-size:16px; color:#2c3e50;\"\u003e🔥 熱門型號推薦 \/ Hot Related Models:\u003c\/strong\u003e\u003cbr\u003e\n  \u003cp style=\"margin-top:10px; color:#666; font-size:14px; line-height:1.8; word-break:break-all;\"\u003e\n    CDCM6208V2RGZR | CDC7005ZVAR | TLV5626CDR | CD74HCT163E | SN74HC4040DBR | SN74ALS191ADR | LMX2487ESQ\/NOPB | SN74AS867DWR | SN65LVDS93ADGGR\n  \u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background:#2c3e50; color:white; padding:35px; text-align:center; border-radius:8px; margin:40px 0;\"\u003e\n  \u003ch3 style=\"margin:0; color:white; font-size:22px;\"\u003e獲取報價或技術手冊 \/ Need Batch Quote or Datasheet?\u003c\/h3\u003e\n  \u003cp style=\"margin:15px 0 25px 0; font-size:15px; color:#bdc3c7;\"\u003e\n    Our team provides competitive wholesale pricing for \u003cstrong\u003eSNJ54HC190FK\u003c\/strong\u003e.\n  \u003c\/p\u003e\n  \u003cdiv style=\"display:flex; justify-content:center; gap:15px;\"\u003e\n    \u003ca href=\"https:\/\/wa.me\/85252099691\" target=\"_blank\" rel=\"noopener\" style=\"background:#f39c12; color:white; padding:14px 35px; text-decoration:none;\n              border-radius:5px; font-weight:bold; font-size:16px;\"\u003e\n      立即諮詢 \/ Inquiry Now\n    \u003c\/a\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:12px; color:#7f8c8d; text-align:center; line-height:1.6; margin-top:40px;\"\u003e\n  \u003cstrong\u003eHONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED\u003c\/strong\u003e\u003cbr\u003e\n  Trusted Partner for Automotive, Industrial, and Hard-to-find Components.\u003cbr\u003e\n  WhatsApp: +852 5209 9691 | Email: jason@jasinchip.com.hk\n\u003c\/p\u003e\n","brand":"TI","offers":[{"title":"Default Title","offer_id":51730549375192,"sku":"ti-snj54hc190fk","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0791\/1446\/9592\/files\/MFG_5962-7802301Q2A_2914ca03-e39f-4871-a71b-d55310d84918.jpg?v=1779937322","url":"https:\/\/www.jasinchip.com.hk\/ru\/products\/ti-snj54hc190fk","provider":"HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED","version":"1.0","type":"link"}