INDUSTRY COMPONENT

Input Buffer/Register

Temporary data storage component in digital control systems that synchronizes input signals with processing units.

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Component Specifications

Definition
An input buffer/register is a digital electronic component within control logic systems that temporarily stores incoming data from sensors, switches, or communication interfaces before processing by the central processing unit (CPU) or microcontroller. It serves as an intermediary between asynchronous input sources and synchronous processing units, ensuring data integrity, timing alignment, and signal conditioning.
Working Principle
Operates by latching incoming digital signals using clock-controlled flip-flops or latches, holding data stable until the processing unit is ready to read it. It typically includes input conditioning circuits (like Schmitt triggers) to clean noisy signals and may feature handshake protocols for asynchronous communication.
Materials
Semiconductor materials (silicon, gallium arsenide), copper interconnects, ceramic or plastic packaging (e.g., DIP, SOP, QFP), with gold or tin-lead plating for contacts.
Technical Parameters
  • Data Width 8-bit to 64-bit
  • Clock Frequency Up to 500 MHz
  • Power Consumption 5-100 mW
  • Propagation Delay <10 ns
  • Input Voltage Levels TTL (0-5V) or CMOS (0-3.3V)
  • Operating Temperature -40°C to 85°C
Standards
ISO 13849-1, IEC 61131, IEEE 1149.1

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Input Buffer/Register.

digital input buffer data register control logic component signal synchronization industrial automation PLC input module Input Buffer/Register Input Buffer/Register in Computer, Electronic and Optical Product Manufacturing

Parent Products

This component is used in the following industrial products

Digital Interface & Control Logic

The digital interface and control logic component of a Programmable Gain Amplifier (PGA) that manages communication and gain setting commands.

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Engineering Analysis

Risks & Mitigation
  • Signal degradation from electromagnetic interference
  • Timing violations causing data corruption
  • Overheating due to high-frequency operation
  • Compatibility issues with voltage levels
FMEA Triads
Trigger: Clock signal jitter or skew
Failure: Data misalignment or loss
Mitigation: Use low-jitter oscillators and matched trace lengths
Trigger: Voltage spikes on input lines
Failure: Component damage or latch-up
Mitigation: Implement surge protection and filtering circuits

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±5% for voltage levels, ±0.1 ns for timing parameters
Test Method
Automated test equipment (ATE) with boundary scan (JTAG) and functional testing per IEC 60730

Buyer Feedback

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"Reliable performance in harsh Computer, Electronic and Optical Product Manufacturing environments. No issues with the Input Buffer/Register so far."

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Frequently Asked Questions

What is the difference between an input buffer and an input register?

An input buffer temporarily holds data to manage speed mismatches, while an input register specifically latches data on a clock edge for synchronous systems; often used interchangeably in integrated components.

How does an input buffer improve system reliability?

It isolates processing units from noisy or asynchronous inputs, prevents data loss during high-speed operations, and enables error checking through parity or checksum features.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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