INDUSTRY COMPONENT

Flip-Flop

Flip-flop is a bistable multivibrator circuit used in digital electronics for storing binary data as memory elements in sequential logic systems.

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Component Specifications

Definition
A flip-flop is a fundamental digital storage element in electronic circuits that maintains its state until triggered by a clock signal or input change. It operates as a bistable device with two stable states (0 and 1), serving as the basic building block for registers, counters, and memory units in configurable logic blocks and digital systems. Flip-flops are edge-triggered or level-sensitive devices that synchronize data transfer in sequential logic circuits.
Working Principle
Flip-flops operate on the principle of positive or negative edge triggering, where the output state changes only at specific transitions of the clock signal. Common types include SR, D, JK, and T flip-flops, each with distinct truth tables and triggering mechanisms. They utilize feedback loops and logic gates (typically NAND or NOR) to maintain state through latching action, with setup and hold times ensuring reliable operation during clock transitions.
Materials
Semiconductor materials (silicon, gallium arsenide), copper interconnects, silicon dioxide insulation, plastic or ceramic packaging (DIP, SOIC, QFP), gold bonding wires
Technical Parameters
  • Hold Time 1-5 ns
  • Setup Time 2-10 ns
  • Output Drive 4-24 mA
  • Power Supply 1.2V, 1.8V, 2.5V, 3.3V, 5V
  • Clock Frequency Up to 500 MHz
  • Propagation Delay 1-15 ns
  • Operating Temperature -40°C to 85°C (industrial), -55°C to 125°C (military)
Standards
ISO 9001, IEC 60747, JEDEC JESD78, MIL-STD-883

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Flip-Flop.

digital flip-flop sequential logic circuit bistable multivibrator clocked storage element D flip-flop JK flip-flop edge-triggered latch digital memory component FPGA logic element Flip-Flop Flip-Flop in Computer, Electronic and Optical Product Manufacturing

Parent Products

This component is used in the following industrial products

Configurable Logic Blocks

Basic programmable logic units within FPGAs and ASICs that implement digital logic functions.

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Engineering Analysis

Risks & Mitigation
  • Metastability during asynchronous inputs
  • Clock skew causing timing violations
  • Power supply noise affecting state retention
  • Electrostatic discharge damage
  • Radiation-induced single-event upsets in harsh environments
FMEA Triads
Trigger: Clock signal jitter or skew exceeding timing margins
Failure: Incorrect data capture and propagation errors
Mitigation: Implement clock tree synthesis with balanced routing, use PLLs for jitter reduction, add timing margin in design
Trigger: Power supply voltage drop or noise spikes
Failure: State corruption or unintended toggling
Mitigation: Implement decoupling capacitors near power pins, use voltage regulators with low noise, design robust power distribution network
Trigger: Electrostatic discharge during handling or operation
Failure: Permanent damage to semiconductor junctions
Mitigation: Implement ESD protection diodes at I/O pins, follow proper handling procedures, use anti-static packaging and workstations

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±5% for timing parameters, ±10% for voltage levels under specified conditions
Test Method
Automated test equipment (ATE) with vector testing, boundary scan (JTAG 1149.1), functional testing at temperature extremes, HBM/CDM ESD testing per JESD22-A114/A115

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What is the difference between a latch and a flip-flop?

Latches are level-sensitive and transparent when enabled, while flip-flops are edge-triggered and change state only at clock transitions, providing better synchronization in sequential circuits.

Why are setup and hold times important for flip-flops?

Setup time ensures data is stable before clock edge, hold time ensures data remains stable after clock edge. Violating these times causes metastability and data corruption.

What are the main applications of flip-flops in industrial systems?

Flip-flops are used in counters, shift registers, frequency dividers, state machines, data synchronization, debouncing circuits, and memory address registers in PLCs, FPGAs, and digital controllers.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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Flexible Substrate Flip-Flop / Counter Cell