INDUSTRY COMPONENT

Data Buffer/FIFO

A data buffer or FIFO (First-In-First-Out) memory component in host bus interface controllers that temporarily stores data during transfer operations to manage timing differences between systems.

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Component Specifications

Definition
A specialized memory component within host bus interface controllers that implements FIFO (First-In-First-Out) queuing to temporarily store data packets during transmission between the host processor and peripheral devices. It acts as an intermediary storage element that compensates for speed mismatches, prevents data loss during high-speed transfers, and ensures orderly data flow by maintaining the sequence of incoming and outgoing data packets according to their arrival order.
Working Principle
Operates on the FIFO principle where the first data element stored is the first to be retrieved. Uses read and write pointers to track data positions, with empty/full flags to prevent overflow or underflow. When the host writes data faster than the peripheral can read, the buffer stores excess data temporarily, releasing it when the peripheral is ready, thus decoupling timing requirements between different speed domains.
Materials
Semiconductor silicon with CMOS technology, aluminum or copper interconnects, silicon dioxide insulation, plastic or ceramic packaging (typically QFP, BGA, or CSP packages)
Technical Parameters
  • Depth 16 to 4096 entries
  • Data Width 8-bit to 64-bit
  • Access Time 2-10 ns
  • Interface Type Parallel or Serial
  • Clock Frequency 100 MHz to 1 GHz
  • Operating Voltage 1.2V to 3.3V
  • Power Consumption 10-100 mW
Standards
ISO 9001, IEC 60747, JEDEC JESD22

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Data Buffer/FIFO.

FIFO buffer data buffer host bus interface memory component data storage timing management electronic components semiconductor memory Data Buffer/FIFO Data Buffer/FIFO in Computer, Electronic and Optical Product Manufacturing

Parent Products

This component is used in the following industrial products

Host Bus Interface Controller

Electronic component that manages data transfer between the frame grabber/vision interface card and the computer's host bus

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Input/Output Controllers

Electronic components within a Scaler Chip that manage data flow between the chip and external devices or systems.

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Engineering Analysis

Risks & Mitigation
  • Buffer overflow leading to data corruption
  • Timing synchronization failures
  • Clock domain crossing issues
  • Power supply fluctuations affecting data integrity
FMEA Triads
Trigger: Clock signal instability
Failure: Data read/write synchronization errors
Mitigation: Implement phase-locked loops (PLL) and proper clock tree design
Trigger: Power supply noise
Failure: Data corruption during read/write operations
Mitigation: Use decoupling capacitors and robust power distribution networks
Trigger: Thermal stress
Failure: Increased leakage current and timing violations
Mitigation: Implement thermal monitoring and adequate heat dissipation

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±5% for timing parameters, ±2% for voltage levels
Test Method
Boundary scan testing (JTAG), functional pattern testing, at-speed testing with automated test equipment (ATE)

Buyer Feedback

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Frequently Asked Questions

What is the main purpose of a Data Buffer/FIFO in host bus controllers?

The primary purpose is to temporarily store data during transfer operations to manage timing differences between the host processor and peripheral devices, preventing data loss and ensuring smooth data flow.

How does FIFO differ from other memory types?

FIFO maintains strict first-in-first-out order, unlike RAM which allows random access, making it ideal for data streaming applications where sequence preservation is critical.

What happens if the FIFO buffer becomes full?

Most FIFO buffers generate a 'full' flag signal that alerts the sending device to pause transmission until space becomes available, preventing data overflow and loss.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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