INDUSTRY COMPONENT

Power Supply Pins

Power supply pins are electrical connection points on clock buffer/driver ICs that provide stable voltage and current for proper operation.

Component Specifications

Definition
Power supply pins are dedicated terminals on clock buffer and driver integrated circuits designed to receive external power input. These pins distribute electrical energy throughout the device to power internal circuitry including amplification stages, output drivers, and control logic. They maintain voltage stability critical for generating precise clock signals with minimal jitter and phase noise.
Working Principle
Power supply pins function as entry points for electrical energy into the integrated circuit. They connect to external voltage regulators or power sources, then distribute power through internal traces to various circuit blocks. Decoupling capacitors placed near these pins filter noise and stabilize voltage, while internal power distribution networks ensure consistent voltage levels across the chip despite varying current demands from different circuit sections.
Materials
Copper alloy (typically C194 or C7025) with nickel/gold plating (ENIG or ENEPIG), leadframe material: Alloy 42 or copper alloy, molding compound: epoxy resin with silica filler, wire bonding: gold or copper wire.
Technical Parameters
  • Pin_Count 1 to 4 pins
  • Pin_Spacing 0.5mm to 1.27mm pitch
  • Voltage_Rating 1.8V, 2.5V, 3.3V, 5V
  • Current_Capacity 50mA to 500mA
  • Contact_Resistance < 20mΩ
  • Insulation_Resistance > 10^9Ω
  • Operating_Temperature -40°C to +125°C
Standards
ISO 9001, IEC 60747, JEDEC JESD22, IPC-A-610

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Power Supply Pins.

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Overvoltage damage
  • Electrostatic discharge (ESD)
  • Poor solder joints
  • Power supply noise coupling
  • Thermal stress fractures
FMEA Triads
Trigger: Poor PCB layout with inadequate decoupling
Failure: Power supply noise induces clock jitter
Mitigation: Place decoupling capacitors within 2mm of power pins, use multiple capacitor values, implement proper power plane design
Trigger: Excessive current draw due to short circuit
Failure: Pin overheating and connection failure
Mitigation: Implement current limiting in power supply, use thermal relief pads in PCB design, select pins with adequate current rating
Trigger: Mechanical stress during assembly
Failure: Pin cracking or detachment from package
Mitigation: Follow recommended reflow profiles, implement strain relief in cable connections, use appropriate socket types

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±5% voltage tolerance, ±10% current rating tolerance, positional accuracy within ±0.1mm
Test Method
Continuity testing, insulation resistance testing (500VDC), current carrying capacity test, thermal cycling (-40°C to +125°C, 1000 cycles), solderability testing per J-STD-002

Buyer Feedback

★★★★☆ 4.7 / 5.0 (35 reviews)

"The technical documentation for this Power Supply Pins is very thorough, especially regarding technical reliability."

"Reliable performance in harsh Computer, Electronic and Optical Product Manufacturing environments. No issues with the Power Supply Pins so far."

"Testing the Power Supply Pins now; the technical reliability results are within 1% of the laboratory datasheet."

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Frequently Asked Questions

Why do clock buffers need dedicated power supply pins?

Clock buffers require dedicated power pins to isolate noisy digital power from sensitive analog circuitry, ensuring clean clock signals with minimal jitter and phase noise that could affect system timing.

What happens if power supply pins receive incorrect voltage?

Incorrect voltage can cause improper biasing of internal transistors, leading to signal distortion, increased jitter, reduced output swing, or permanent damage to the device through overvoltage or latch-up conditions.

How many power supply pins do typical clock buffers have?

Most clock buffers have 2-4 power pins: separate pins for core voltage (VDD) and output driver voltage (VDDQ), plus ground pins. Advanced devices may have additional pins for analog and digital power isolation.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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