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Product Overview
The SN74AHC245QPWR from Texas Instruments is an octal bus transceiver designed for asynchronous two-way communication between data buses. It features 8-bit non-inverting buffers with 3-state outputs, operating over a wide supply voltage range of 2V to 5.5V. Housed in a 20-pin TSSOP package, this device is ideal for bidirectional data flow in digital systems, offering high noise immunity and low power consumption.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
2V to 5.5V |
| Input Voltage (VI) |
0V to 5.5V |
| Output Voltage (VO) |
0V to VCC |
| High-Level Output Current (IOH) |
-8mA at 5V |
| Low-Level Output Current (IOL) |
8mA at 5V |
| Propagation Delay (tpd) |
7.5ns max at 5V, 15pF |
| Input Capacitance (CI) |
4pF typical |
| Operating Temperature |
-40°C to 125°C |
| Package |
20-TSSOP |
Key Features
- 8-bit bidirectional transceiver with non-inverting outputs
- 3-state outputs for bus-oriented applications
- Wide operating voltage range: 2V to 5.5V
- High noise immunity: VOH = 0.8VCC min at 5V
- Low power consumption: ICC max 4µA at 5V
- ESD protection exceeds JESD 22 (2000V HBM, 1000V CDM)
- Latch-up performance exceeds 100mA per JESD 78
Target Applications
- 5G base station control boards for data bus isolation
- Automotive dashboard display modules (e.g., infotainment systems)
- Industrial PLC I/O modules for signal buffering
- Consumer electronics like smart home hubs
- Telecommunications equipment for level translation
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74AHC245QPWR. Our core advantages include:
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with full quality assurance and traceability.
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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
SN74AHC245QPWR 是德州儀器 (TI) 的一款八路總線收發器,專為數據總線之間的異步雙向通信而設計。它包含 8 位非反相緩衝器,具有三態輸出,可在 2V 至 5.5V 的寬電源電壓範圍內工作。採用 20 引腳 TSSOP 封裝,適用於數字系統中的雙向數據傳輸,具有高抗噪性和低功耗。
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 5.5V |
| 輸出電壓 (VO) |
0V 至 VCC |
| 高電平輸出電流 (IOH) |
-8mA (5V 時) |
| 低電平輸出電流 (IOL) |
8mA (5V 時) |
| 傳播延遲 (tpd) |
最大 7.5ns (5V, 15pF) |
| 輸入電容 (CI) |
典型 4pF |
| 工作溫度 |
-40°C 至 125°C |
| 封裝 |
20-TSSOP |
核心特性
- 8 位雙向收發器,非反相輸出
- 三態輸出,適用於總線應用
- 寬工作電壓範圍:2V 至 5.5V
- 高抗噪性:5V 時 VOH 最小為 0.8VCC
- 低功耗:5V 時 ICC 最大 4µA
- ESD 保護超過 JESD 22 標準 (2000V HBM, 1000V CDM)
- 閂鎖性能超過 100mA (JESD 78)
典型應用場景
- 5G 基站控制板中的數據總線隔離
- 汽車儀表盤顯示模塊 (如信息娛樂系統)
- 工業 PLC I/O 模塊的信號緩衝
- 消費電子產品,如智能家居中樞
- 電信設備中的電平轉換
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