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Product Overview
The CD74ACT245E is a high-speed octal bus transceiver from Texas Instruments, designed for bidirectional asynchronous communication between two data buses. It features non-inverting 3-state outputs and operates from a single 4.5V to 5.5V supply. Housed in a 20-pin PDIP package, this device is ideal for driving heavily loaded buses up to 75mA per output. The CD74ACT245E is part of the ACT family, offering advanced CMOS logic with TTL-compatible inputs.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
4.5V to 5.5V |
| Input Voltage (VI) |
0V to VCC |
| Output Voltage (VO) |
0V to VCC |
| High-Level Output Current (IOH) |
-24mA |
| Low-Level Output Current (IOL) |
24mA |
| Propagation Delay (tpd) |
8.5ns max at 5V, 50pF |
| Operating Temperature |
-40°C to +85°C |
| Package |
20-PDIP |
Key Features
- Bidirectional bus transceiver with 8-bit non-inverting data path
- 3-state outputs for bus-oriented applications
- High drive capability: ±24mA at 5V
- Fast propagation delay: 8.5ns typical at 5V
- Inputs are TTL-voltage compatible
- ESD protection exceeds 2000V per MIL-STD-883, Method 3015
- Latch-up performance exceeds 250mA per JESD 17
Target Applications
- 5G base station control boards for data bus isolation
- Automotive dashboard display modules (e.g., instrument cluster)
- Industrial PLC I/O modules for signal buffering
- Telecommunications line cards for backplane communication
- Medical imaging equipment (e.g., ultrasound systems) for data transfer
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
CD74ACT245E. 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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Shenzhen with support for HK bank transfers and multi-currency.
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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
CD74ACT245E 是一款來自德州儀器的高速八路匯流排收發器,專為兩個數據匯流排之間的雙向異步通信而設計。它具有非反相三態輸出,並在 4.5V 至 5.5V 的單電源下工作。該器件採用 20 引腳 PDIP 封裝,每個輸出可驅動高達 75mA 的重載匯流排。CD74ACT245E 屬於 ACT 系列,提供先進的 CMOS 邏輯,輸入與 TTL 兼容。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
4.5V 至 5.5V |
| 輸入電壓 (VI) |
0V 至 VCC |
| 輸出電壓 (VO) |
0V 至 VCC |
| 高電平輸出電流 (IOH) |
-24mA |
| 低電平輸出電流 (IOL) |
24mA |
| 傳播延遲 (tpd) |
8.5ns 最大值 (5V, 50pF) |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
20-PDIP |
核心特性
- 雙向匯流排收發器,8位非反相數據路徑
- 三態輸出,適用於匯流排應用
- 高驅動能力:5V 時 ±24mA
- 快速傳播延遲:5V 時典型值 8.5ns
- 輸入與 TTL 電壓兼容
- ESD 保護超過 2000V(MIL-STD-883,方法 3015)
- 閂鎖性能超過 250mA(JESD 17)
典型應用場景
- 5G 基站控制板中的數據匯流排隔離
- 汽車儀表盤顯示模塊(例如儀表組)
- 工業 PLC I/O 模塊中的信號緩衝
- 電信線路卡中的背板通信
- 醫療成像設備(例如超聲系統)中的數據傳輸
環球供應鏈與批發合作夥伴方案
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