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Product Overview
The 74AC11245DWR from Texas Instruments is a high-performance octal bus transceiver designed for asynchronous two-way communication between data buses. It features 3-state outputs and operates from a 2V to 5.5V supply, making it suitable for mixed-voltage systems. The device is housed in a 24-pin SOIC package and is part of the advanced CMOS (AC) logic family, offering high speed and low power consumption.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
2V to 5.5V |
| Input Voltage (VI) |
0V to VCC |
| Output Voltage (VO) |
0V to VCC |
| High-Level Input Voltage (VIH) |
0.7 × VCC (min) |
| Low-Level Input Voltage (VIL) |
0.3 × VCC (max) |
| High-Level Output Current (IOH) |
-24 mA at VCC = 4.5V |
| Low-Level Output Current (IOL) |
24 mA at VCC = 4.5V |
| Propagation Delay (tpd) |
6.5 ns (typ) at VCC = 5V, CL = 50 pF |
| Operating Temperature |
-40°C to +85°C |
| Package |
24-SOIC |
Key Features
- Bidirectional data flow with direction control (DIR) and output enable (OE)
- 3-state outputs for bus-oriented applications
- ESD protection exceeds 2000V per MIL-STD-883, Method 3015
- Latch-up performance exceeds 250 mA per JESD 17
- Low power consumption: 40 µA (max) ICC
- Compatible with TTL levels when VCC = 5V
Target Applications
- 5G base station control boards for data bus isolation
- Automotive dashboard display modules for signal level translation
- Industrial PLC I/O modules for bidirectional communication
- Telecommunications switching equipment for backplane interfacing
- Medical imaging systems for data acquisition buses
Global Supply Chain & Wholesale Solutions
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74AC11245DWR. Our core advantages include:
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be authentic with strict quality control.
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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
74AC11245DWR 是德州儀器(TI)的一款高性能八路總線收發器,專為數據總線之間的異步雙向通信而設計。它具有三態輸出,工作電源電壓範圍為 2V 至 5.5V,適用於混合電壓系統。器件採用 24 引腳 SOIC 封裝,屬於先進 CMOS(AC)邏輯系列,具有高速和低功耗的特點。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
2V 至 5.5V |
| 輸入電壓 (VI) |
0V 至 VCC |
| 輸出電壓 (VO) |
0V 至 VCC |
| 高電平輸入電壓 (VIH) |
0.7 × VCC(最小值) |
| 低電平輸入電壓 (VIL) |
0.3 × VCC(最大值) |
| 高電平輸出電流 (IOH) |
-24 mA(VCC = 4.5V 時) |
| 低電平輸出電流 (IOL) |
24 mA(VCC = 4.5V 時) |
| 傳播延遲 (tpd) |
6.5 ns(典型值,VCC = 5V,CL = 50 pF) |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
24-SOIC |
核心特性
- 雙向數據流,帶方向控制 (DIR) 和輸出使能 (OE)
- 三態輸出,適用於總線應用
- ESD 保護超過 2000V(符合 MIL-STD-883 方法 3015)
- 閂鎖性能超過 250 mA(符合 JESD 17)
- 低功耗:ICC 最大 40 µA
- 當 VCC = 5V 時,與 TTL 電平兼容
典型應用場景
- 5G 基站控制板,用於數據總線隔離
- 汽車儀表盤顯示模塊,用於信號電平轉換
- 工業 PLC I/O 模塊,用於雙向通信
- 電信交換設備,用於背板接口
- 醫療成像系統,用於數據採集總線
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