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Product Overview
The SN74AC257PWRQ1 from Texas Instruments is a high-speed quad 2-input multiplexer designed for automotive and industrial applications. It operates over a wide supply voltage range of 2V to 6V and features low power consumption, making it ideal for battery-powered systems. The device is housed in a 16-pin TSSOP package and is qualified to AEC-Q100 standards for automotive reliability.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
2V to 6V |
| 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 Range |
-40°C to +125°C |
| Package |
16-TSSOP |
Key Features
- Quad 2-input multiplexer with common select and enable
- Wide operating voltage range: 2V to 6V
- High speed: typical propagation delay of 6.5 ns at 5V
- Low power consumption: ICC of 4 µA (max) at 25°C
- Inputs accept voltages up to VCC
- Outputs drive up to 24 mA at 4.5V
- AEC-Q100 qualified for automotive applications
- ESD protection exceeds 2000V HBM per JESD22-A114
Target Applications
The SN74AC257PWRQ1 is suitable for a variety of applications including:
- Automotive infotainment systems (e.g., dashboard display multiplexing)
- 5G base station control logic
- Industrial automation (e.g., PLC I/O multiplexing)
- Portable electronics (e.g., battery management systems)
- Data acquisition systems
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74AC257PWRQ1. Our core advantages include:
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24/7 Global Customer Support: Professional team providing instant
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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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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
SN74AC257PWRQ1 是德州儀器推出的一款高速四路2輸入多路復用器,專為汽車和工業應用設計。它支持 2V 至 6V 的寬電源電壓範圍,具有低功耗特性,非常適合電池供電系統。該器件採用 16 引腳 TSSOP 封裝,並通過 AEC-Q100 汽車可靠性認證。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
2V 至 6V |
| 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) |
| 工作溫度範圍 |
-40°C 至 +125°C |
| 封裝 |
16-TSSOP |
核心特性
- 四路2輸入多路復用器,帶公共選擇和使能
- 寬工作電壓範圍:2V 至 6V
- 高速:5V 時典型傳播延遲為 6.5 ns
- 低功耗:25°C 時 ICC 最大值為 4 µA
- 輸入可接受高達 VCC 的電壓
- 輸出在 4.5V 時可驅動高達 24 mA
- 通過 AEC-Q100 汽車應用認證
- ESD 保護超過 2000V HBM(JESD22-A114)
典型應用場景
SN74AC257PWRQ1 適用於多種應用,包括:
- 汽車信息娛樂系統(例如儀表板顯示多路復用)
- 5G 基站控制邏輯
- 工業自動化(例如 PLC I/O 多路復用)
- 便攜式電子設備(例如電池管理系統)
- 數據採集系統
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