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Product Overview
The CD74ACT244E from Texas Instruments is a high-speed octal buffer and line driver designed for 5V logic systems. It features non-inverting outputs with three-state capability, making it ideal for bus-oriented applications. Housed in a 20-pin PDIP package, this device offers a wide operating voltage range of 4.5V to 5.5V and is compatible with TTL inputs. The CD74ACT244E provides high drive current (±24mA at output) and fast propagation delays (typical 8ns at 5V). It is commonly used in memory address driving, data bus buffering, and signal regeneration.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
4.5V to 5.5V |
| Input Voltage (VI) |
0V to VCC |
| Output Current (IO) |
±24mA |
| Propagation Delay (tpd) |
8ns typical at 5V |
| Operating Temperature |
-40°C to +85°C |
| Package |
20-PDIP |
| Logic Family |
ACT |
| Number of Channels |
8 |
| Output Type |
3-State |
Key Features
- High-speed CMOS technology
- Non-inverting outputs
- Three-state outputs for bus-oriented systems
- TTL-compatible inputs
- High drive capability: ±24mA at output
- Low power consumption: 80µA max ICC
- Wide operating temperature range: -40°C to +85°C
- ESD protection exceeds 2000V per MIL-STD-883
Target Applications
- 5G base station control boards for buffering address/data lines
- Automotive dashboard display drivers
- Industrial PLC I/O modules
- Memory address drivers in server motherboards
- Signal buffering in telecom switches
Global Supply Chain & Wholesale Solutions
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CD74ACT244E. Our core advantages include:
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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
CD74ACT244E 是德州儀器 (TI) 的一款高速八路緩衝器和線路驅動器,專為 5V 邏輯系統設計。它具有同相輸出和三態功能,非常適合總線應用。該器件採用 20 引腳 PDIP 封裝,工作電壓範圍為 4.5V 至 5.5V,並與 TTL 輸入兼容。CD74ACT244E 提供高驅動電流(輸出 ±24mA)和快速傳播延遲(5V 時典型值 8ns)。常用於存儲器地址驅動、數據總線緩衝和信號再生。
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 |
| 輸出電流 (IO) |
±24mA |
| 傳播延遲 (tpd) |
5V 時典型值 8ns |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
20-PDIP |
| 邏輯系列 |
ACT |
| 通道數 |
8 |
| 輸出類型 |
三態 |
核心特性
- 高速 CMOS 技術
- 同相輸出
- 三態輸出,適用於總線系統
- TTL 兼容輸入
- 高驅動能力:輸出 ±24mA
- 低功耗:最大 ICC 80µA
- 寬工作溫度範圍:-40°C 至 +85°C
- ESD 保護超過 2000V(MIL-STD-883)
典型應用場景
- 5G 基站控制板的地址/數據線緩衝
- 汽車儀表盤顯示驅動器
- 工業 PLC I/O 模塊
- 服務器主板中的存儲器地址驅動器
- 電信交換機中的信號緩衝
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