SN74ACT8994FN TI Test Bus Controller | | 18-bit, IEEE Std 1149.1

Product Overview

The SN74ACT8994FN from Texas Instruments is a dedicated test bus controller designed to support IEEE Std 1149.1 (JTAG) boundary-scan testing. It provides a complete interface between a host processor and a target system's test access port (TAP), enabling efficient testing of complex digital circuits. The device operates with a 5V supply and features an 18-bit parallel interface for high-speed data transfer.

Detailed Technical Specifications

Key Features

• Compliant with IEEE Std 1149.1-1990 and 1149.1a-1993
• 18-bit parallel data bus for fast command and data transfer
• Supports all mandatory and optional JTAG instructions
• Programmable TAP controller states
• Built-in self-test (BIST) capability
• Low power consumption with 5V operation

Target Applications

• 5G base station control boards for boundary-scan testing of FPGAs and ASICs
• Automotive dashboard electronics for JTAG-based diagnostics
• Industrial PLC systems for in-system programming and test
• Telecommunications switches for board-level testing
• Medical imaging equipment for reliable JTAG chain management

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for SN74ACT8994FN. 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

SN74ACT8994FN 是德州儀器（TI）推出的專用測試匯流排控制器，支援 IEEE Std 1149.1（JTAG）邊界掃描測試。該器件在主機處理器與目標系統的測試存取埠（TAP）之間提供完整介面，實現對複雜數位電路的高效測試。它採用 5V 供電，並配備 18 位元並列介面以實現高速資料傳輸。

詳細技術參數

核心特性

• 符合 IEEE Std 1149.1-1990 及 1149.1a-1993
• 18 位元並列資料匯流排，實現快速指令與資料傳輸
• 支援所有強制性和可選 JTAG 指令
• 可程式設計 TAP 控制器狀態
• 內建自測試（BIST）功能
• 低功耗，5V 操作

典型應用場景

• 5G 基地台控制板，用於 FPGA 和 ASIC 的邊界掃描測試
• 汽車儀表板電子設備，用於 JTAG 診斷
• 工業 PLC 系統，用於系統內程式設計和測試
• 電信交換機，用於板級測試
• 醫療影像設備，用於可靠的 JTAG 鏈管理

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 SN74ACT8994FN 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]