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Product Overview
The CD74FCT843AM is a high-performance 8-bit bus transceiver from Texas Instruments, designed for bidirectional asynchronous communication between two data buses. It features non-inverting outputs and 3-state outputs for bus-oriented applications. Housed in a 24-pin SOIC package, this device operates over a wide voltage range and offers high drive capability, making it suitable for a variety of digital systems.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
4.75V to 5.25V |
| Input Voltage Range |
0V to VCC |
| Output Current (IOL/IOH) |
±24 mA / ±15 mA |
| Propagation Delay (tpd) |
6.5 ns (max) at VCC=5V, CL=50pF |
| Operating Temperature |
-40°C to +85°C |
| Package |
24-SOIC (SOIC-24) |
| Logic Family |
FCT |
| Number of Bits |
8 |
| Output Type |
3-State, Non-Inverting |
| Direction Control |
Dual (A to B, B to A) |
Key Features
- Bi-directional asynchronous bus transceiver
- Non-inverting outputs
- 3-state outputs for bus isolation
- High drive capability: ±24 mA sink, ±15 mA source
- Low propagation delay: 6.5 ns typical
- Wide operating temperature range: -40°C to +85°C
- ESD protection exceeds 2000V per MIL-STD-883, Method 3015
- Compatible with TTL levels
Target Applications
- 5G base station control logic
- Automotive dashboard display interfaces
- Industrial PLC I/O modules
- Data communication between microcontrollers and peripherals
- Memory bus isolation in embedded systems
- Server motherboard bus arbitration
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
CD74FCT843AM. Our core advantages include:
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24/7 Global Customer Support: Professional team providing instant
quotes and technical support worldwide.
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In-stock Inventory, Same-day Shipping: We maintain localized stock;
orders confirmed before 4 PM are shipped the same day.
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HK-SZ Synergy, Flexible Settlement: Direct global shipping from
Shenzhen with support for HK bank transfers and multi-currency.
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Escrow Secured Transactions: We support Escrow.com for secure
transactions, ensuring peace of mind for batch orders.
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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.
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100% Original & Authentic: All components are guaranteed to
be authentic with strict quality control.
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RoHS Compliant: All electronic components comply with international
environmental and safety standards.
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Original Factory Packaging: We maintain original factory packaging
and seals to ensure ESD protection and physical integrity.
產品概述
CD74FCT843AM 是德州儀器(TI)生產的高性能8位總線收發器,用於兩個數據總線之間的雙向異步通信。它具有同相輸出和三態輸出,適用於總線導向的應用。該器件採用24引腳SOIC封裝,在寬電壓範圍內工作,並提供高驅動能力,適用於各種數字系統。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
4.75V 至 5.25V |
| 輸入電壓範圍 |
0V 至 VCC |
| 輸出電流 (IOL/IOH) |
±24 mA / ±15 mA |
| 傳播延遲 (tpd) |
6.5 ns(最大值)在 VCC=5V, CL=50pF |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
24-SOIC (SOIC-24) |
| 邏輯系列 |
FCT |
| 位數 |
8 |
| 輸出類型 |
三態,同相 |
| 方向控制 |
雙向(A 到 B,B 到 A) |
核心特性
- 雙向異步總線收發器
- 同相輸出
- 三態輸出實現總線隔離
- 高驅動能力:灌電流 ±24 mA,拉電流 ±15 mA
- 低傳播延遲:典型值 6.5 ns
- 寬工作溫度範圍:-40°C 至 +85°C
- ESD 保護超過 2000V(符合 MIL-STD-883 方法 3015)
- 與 TTL 電平兼容
典型應用場景
- 5G 基站控制邏輯
- 汽車儀表盤顯示接口
- 工業 PLC I/O 模塊
- 微控制器與外設之間的數據通信
- 嵌入式系統中的存儲器總線隔離
- 服務器主板總線仲裁
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 CD74FCT843AM 提供全面的供應鏈與批發解決方案。
我們的核心優勢包括:
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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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