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SN74HC125PWR

Quad 3-state buffer, 2-6V, +/-7.8mA drive, active-low OE, TSSOP-14

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制造商零件：

SN74HC125PWR

包装：

TSSOP-14 (5.0 x 4.4 x 1.0 mm)

品牌：
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说明

产品概览

The SN74HC125PWR from Texas Instruments is a quad buffer/line driver with 3-state outputs in a 14-pin TSSOP package. Each gate has an active-low output enable, supports 2V to 6V supply, and provides +/-7.8mA output drive.

主要规格

功能 Quad Buffer/Line Driver with 3-State
渠道 4
电源电压 2V to 6V
Output Drive +/-7.8mA at 5V
传播延迟 11ns at 6V (typ)
输出类型 3-State (active-low OE)
静态电流 80uA (max)
工作温度 -40 to 85 C

特点

  • Four independent buffer gates with 3-state outputs
  • Active-low output enable per gate
  • Wide supply voltage range: 2V to 6V
  • Balanced output propagation delays
  • Input clamp diodes for overshoot protection
  • Supports fanout up to 10 LSTTL loads
  • Significant power reduction vs LSTTL logic

应用

  • Bus buffering and driving
  • 3-state bus sharing and multiplexing
  • Memory address buffering
  • I/O port expansion
  • Level translation between 3.3V and 5V domains

The SN74HC125PWR from Texas Instruments is a quad buffer/line driver with 3-state outputs, designed for bus-oriented applications in high-performance digital systems. Each of the four independent buffer gates has an active-low output enable (OE) that places the output in a high-impedance state when asserted, enabling multiple devices to share a common bus. The device operates from a wide 2V to 6V supply range, making it suitable for both 3.3V and 5V systems. With +/-7.8mA output drive capability at 5V and propagation delay of 11ns at 6V, it provides fast, reliable signal buffering. Input clamp diodes protect against overshoot. The SN74HC125PWR is available in a 14-pin TSSOP package rated for -40 to 85 C operation.

The SN74HC125PWR operates as four independent non-inverting buffers with 3-state output control. Key subsystems include: (1) Four Buffer Gates – each gate performs Y=A in positive logic when enabled; the output follows the input with minimal propagation delay; (2) 3-State Output Control – each gate has an active-low OE pin; when OE is high, the output is in a high-impedance (high-Z) state, effectively disconnecting from the bus; when OE is low, the output actively drives high or low; (3) CMOS Output Stage – a push-pull CMOS output provides +/-7.8mA drive with rail-to-rail output swing; (4) Input Protection – clamp diodes on all inputs limit voltage excursions beyond the supply rails, protecting against ESD and overshoot.

针脚 名称 类型 功能
1 1OE 输入 Gate 1 output enable (active low)
2 1A 输入 Gate 1 data input
3 1Y 输出 Gate 1 output
4 2OE 输入 Gate 2 output enable (active low)
5 2A 输入 Gate 2 data input
6 2Y 输出 Gate 2 output
7 接地 地面 Ground connection
8 3Y 输出 Gate 3 output
9 3A 输入 Gate 3 data input
10 3OE 输入 Gate 3 output enable (active low)
11 4Y 输出 Gate 4 output
12 4A 输入 Gate 4 data input
13 4OE 输入 Gate 4 output enable (active low)
14 VCC 电源 Supply voltage (2V to 6V)
  • Shared bus buffering: multiple peripherals sharing a common data bus with 3-state isolation
  • Memory address buffering: driving high-capacitance address lines
  • I/O port expansion: enabling/disabling data paths under processor control
  • Level translation: interfacing between 3.3V and 5V logic domains within HC voltage range
  • Signal conditioning: buffering weak signals for long PCB trace driving
制造商 部件编号 包装 说明
Nexperia 74HC125PW TSSOP-14 Pin-compatible alternative
TI SN74HC126PWR TSSOP-14 Active-high OE version
TI SN74HCS125PWR TSSOP-14 Schmitt trigger inputs
onsemi MC74HC125ADTR2G TSSOP-14 Pin-compatible
二极管公司 74HC125S14-13 SOIC-14 Wider body package
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质量保证

Quality is the core foundation of our long-term global cooperation. With over 20 years of experience in the electronic component industry, Materialparts has built a strict and standardized quality management system covering component sourcing, incoming inspection, full-batch testing, packaging and delivery. We are committed to delivering 100% genuine, high-reliability electronic components for industrial control, automotive electronics, consumer electronics and medical device industries, and fully safeguarding your production and R&D projects.

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Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China

 

发货与付款

Materialparts is a professional global supplier of electronic components with over 20 years of industry experience. We provide one-stop supply of passive components, integrated circuits, as well as parts for industrial control, automotive electronics, consumer electronics and medical devices. Below are the unified shipping and payment policies applicable to all orders, samples and bulk purchases worldwide.

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    US Dollar (USD) is the default settlement currency. RMB is available for domestic customers.

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5. Local Pickup in Shenzhen

Local pickup service is available for customers in Shenzhen and surrounding areas:
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Contact Information

Email: info@materialparts.com

Tel / WhatsApp: +86 13760382860

服务与包装

Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

Core Services

1. One-stop Sourcing & BOM Support

We specialize in a full range of passive and active electronic components, including SMD resistors, power resistors, connectors, aviation connectors, LED beads, flexible circuit boards, printed circuit boards, and integrated circuits. Our professional team provides BOM list consolidation, component matching, and alternative model recommendation services. We support sample orders, small-batch trial production, and mass production orders with flexible MOQs to meet diverse procurement needs.

2. Genuine Product Guarantee & Full-process Quality Inspection

All products are sourced from official authorized channels and are 100% original genuine parts. Every batch of goods undergoes strict full-process quality inspection before delivery, with complete batch records and traceability documents provided. Our products comply with AEC-Q standards for automotive electronics and high-reliability specifications for medical devices. We eliminate counterfeits, refurbished parts and defective products from the source to secure your project production.

3. Fast Quotation & Order Processing

Our customer service team responds promptly to inquiries and quotation requests. All in-stock orders will be processed within one working day. We provide stocking reservation services for long-term cooperative customers, effectively solving problems such as component shortages and unstable supply chains.

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We cooperate with mainstream international logistics providers including DHL, FedEx, UPS and TNT to achieve fast global delivery. We can provide complete export documents such as customs declaration files, commercial invoices and packing lists to ensure smooth customs clearance for international shipments. Local pickup is also available for customers in Shenzhen, China.

Professional Packaging Standards

Electronic components are sensitive to static electricity, collision, moisture and dust. We adopt industry-standard anti-static packaging solutions to fully ensure the integrity of goods during transportation and storage.

1. General Packaging Specifications

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We provide value-added services including personalized packaging, custom labeling and re-reeling according to customer requirements, fully matching your production and warehouse management standards.

Contact Information

For service consultation or packaging customization, please feel free to contact us:
Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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